Dr. Shannon M. Duff Profile

Dr. Shannon M. Duff

at National Institute of Standards and Technology

SPIE Involvement:

Author

Publications (46)

SPIE Journal Paper | 27 December 2024

In-flight performance of Spider’s 280-GHz receivers

Elle Shaw, Peter A. Ade, Scott Akers, Mandana Amiri, Jason Austermann, James Beall, Daniel Becker, Steven Benton, Amanda Bergman, James Bock, John Bond, Sean Bryan, H. Cynthia Chiang, Carlo Contaldi, Rachel Domagalski, Olivier Doré, Shannon Duff, Adri J. Duivenvoorden, Hans Eriksen, Marzieh Farhang, Jeffrey Filippini, Laura Fissel, Aurelien Fraisse, Katherine Freese, Mathew Galloway, Anne Gambrel, Natalie Gandilo, Kenneth Ganga, Sho Gibbs, Suren Gourapura, Arpi Grigorian, Riccardo Gualtieri, Jon Gudmundsson, Mark Halpern, John Hartley, Matthew Hasselfield, Gene Hilton, Warren Holmes, Viktor Hristov, Zhiqi Huang, Johannes Hubmayr, Kent Irwin, William Jones, Asad Kahn, Zigmund Kermish, Cesiley King, Chao-Lin Kuo, Amber Lennox, Jason Leung, Steven Li, Thuy Vy Luu, Peter Mason, Jared May, Krikor Megerian, Lorenzo Moncelsi, Thomas Morford, Johanna Nagy, Rong Nie, Calvin Netterfield, Michael Nolta, Benjamin Osherson, Ivan Padilla, Alexandra Rahlin, Susan Redmond, Carl Reintsema, Javier Romualdez, John E. Ruhl, Marcus Runyan, Jamil Shariff, Corwin Shiu, Juan Soler, Xue Song, Simon Tartakovsky, Harald Thommesen, Amy Trangsrud, Carole Tucker, Anthony Turner, Joel Ullom, Joseph van der List, Jeff Van Lanen, Michael Vissers, Alexis Weber, Ingunn Wehus, Shyang Wen, Donald Wiebe, Edward Young

JATIS, Vol. 10, Issue 04, 044012, (December 2024) https://doi.org/10.1117/12.10.1117/1.JATIS.10.4.044012

KEYWORDS: Sensors, Receivers, Tunable filters, Optical filters, Physics, Equipment, Sapphire, Calibration, Detector arrays, Quantum receivers

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Proceedings Article | 11 September 2024 Poster + Paper

Poster + Paper

Instrument overview of Taurus: a balloon-borne CMB and dust polarization experiment

Jared May, Alexandre Adler, Jason Austermann, Steven Benton, Rick Bihary, Malcolm Durkin, Shannon Duff, Jeffrey Filippini, Aurelien Fraisse, Thomas J. L. Gascard, Sho Gibbs, Suren Gourapura, Jon Gudmundsson, John Hartley, Johannes Hubmayr, William Jones, Steven Li, Johanna Nagy, Kate Okun, Ivan Padilla, L. Javier Romualdez, Simon Tartakovsky, Michael Vissers

Proceedings Volume 13094, 1309432 (2024) https://doi.org/10.1117/12.3019051

KEYWORDS: Sensors, Polarization, Equipment, Receivers, Design, Physics, Cosmology, Telescopes, Cryostats

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Proceedings Article | 11 September 2024 Poster + Paper

Poster + Paper

Thermal architecture for a cryogenic super-pressure balloon payload: design and development of the Taurus flight cryostat

Simon Tartakovsky, Alexandre Adler, Jason Austermann, Steven Benton, Rick Bihary, Malcolm Durkin, Shannon Duff, Jeffrey Filippini, Aurelien Fraisse, Thomas J. L. Gascard, Sho Gibbs, Suren Gourapura, Jon Gudmundsson, John Hartley, Johannes Hubmayr, William Jones, Steven Li, Jared May, Johanna Nagy, Kate Okun, Ivan Padilla, L. Javier Romualdez, Michael Vissers

Proceedings Volume 13094, 130944B (2024) https://doi.org/10.1117/12.3015077

KEYWORDS: Cryostats, Cryogenics, Design, Balloons, Vacuum, Thermal modeling, Helium, Windows, Glues, Capillaries

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Proceedings Article | 17 August 2024 Poster

Poster

The Simons Observatory: in-lab optical testing and validation for the first small aperture telescope

Michael Randall, Thomas Alford, Remington Gerras, JB Lloyd, Joseph Seibert, Kevin Crowley, Shannon Duff, Nicholas Galitzki, Kathleen Harrington, Johannes Hubmayr, Bradley Johnson, Brian Keating, Max Silva-Feaver, Yuhan Wang, Kaiwen Zheng

Proceedings Volume PC13102, PC131021E (2024) https://doi.org/10.1117/12.3020265

Proceedings Article | 17 August 2024 Presentation

Presentation

A 1,820 channel microwave SQUID multiplexer for TES bolometer readout

John Groh, Zeeshan Ahmed, Jason Austermann, James Beall, David Daniel, Shannon Duff, Shawn Henderson, Johannes Hubmayr, Richard Lew, Michael Link, Tammy Lucas, John A. Mates, Maximiliano Silva-Feaver, Robinjeet Singh, Joel Ullom, Leila Vale, Jeff Van Lanen, Michael Vissers, Cyndia Yu

Proceedings Volume PC13102, PC131020U (2024) https://doi.org/10.1117/12.3017677

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Proceedings Article | 17 August 2024 Presentation

Presentation

Ultra-low-noise absorber-coupled TES detectors for infrared astronomy

Karwan Rostem, Jake Connors, Shannon Duff, Johannes Hubmayr, Tuomas Puurtinen, Elmer Sharp, Edward Wollack

Proceedings Volume PC13102, PC131020Y (2024) https://doi.org/10.1117/12.3019377

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Proceedings Article | 16 August 2024 Poster + Paper

Poster + Paper

The Simons Observatory: studies of detector yield and readout noise from the first large-scale deployment of microwave multiplexing at the large aperture telescope

Thomas Satterthwaite, Zeeshan Ahmed, Kyuyoung Bae, Mark Devlin, Simon Dicker, Shannon Duff, Daniel Dutcher, Saianeesh Haridas, Shawn Henderson, Johannes Hubmayr, Bradley Johnson, Anna Kofman, Jack Lashner, Michael Link, Tammy Lucas, Alex Manduca, Michael Niemack, John Orlowski-Scherer, Tristan Pinsonneault-Marotte, Max Silva-Feaver, Suzanne Staggs, Eve Vavagiakis, Yuhan Wang, Kaiwen Zheng

Proceedings Volume 13102, 1310223 (2024) https://doi.org/10.1117/12.3019196

KEYWORDS: Sensors, Observatories, Telescopes, Microwave radiation, Multiplexing, Superconducting detectors, Superconductors, Physics

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Proceedings Article | 16 August 2024 Presentation + Paper

Presentation + Paper

Transition edge sensor arrays for future FIR space missions

Johannes Staguhn, Elmer Sharp, Ari Brown, Archana Devasia, William Doriese, Malcolm Durkin, Dale Fixsen, Suzanne Staggs, Felipe Colazo Petit, Kevin Denis, Mike DiPirro, Shannon Duff, Jason Glenn, Bert Harrop, Stephen Maher, Vilem Mikula, Peter Nagler, Edward Wollack

Proceedings Volume 13102, 131020B (2024) https://doi.org/10.1117/12.3019128

KEYWORDS: Sensors, Detector arrays, Design, Multiplexers, Space operations, Cryogenics, Equipment, Indium, Far infrared, Detector development

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Proceedings Article | 16 August 2024 Presentation + Paper

Presentation + Paper

In-flight performance of SPIDER's 280 GHz receivers

E. Shaw, P. A. Ade, S. Akers, M. Amiri, J. Austermann, J. Beall, D. Becker, S. Benton, A. Bergman, J. Bock, J. Bond, S. Bryan, H. Chiang, C. Contaldi, R. Domagalski, O. Doré, S. Duff, A. Duivenvoorden, H. Ericksen, M. Farhang, J. Filippini, L. Fissel, A. Fraisse, K. Freese, M. Galloway, A. Gambrel, N. Gandilo, K. Ganga, S. Gibbs, S. Gourapura, A. Grigorian, R. Gualtieri, J. Gudmundsson, M. Halpern, J. Hartley, M. Hasselfield, G. Hilton, W. Holmes, V. Hristov, Z. Huang, J. Hubmayr, K. Irwin, W. Jones, A. Kahn, Z. Kermish, C. King, C. Kuo, A. Lennox, J. S.-Y. Leung, S. Li, T. Luu, P. Mason, J. May, K. Megerian, L. Moncelsi, T. Morford, J. Nagy, R. Nie, C. Netterfield, M. Nolta, B. Osherson, I. Padilla, A. Rahlin, S. Redmond, C. Reintsema, L. Romualdez, J. Ruhl, M. Runyan, J. Shariff, C. Shiu, J. Soler, X. Song, S. Tartakovsky, H. Thommesen, A. Trangsrud, C. Tucker, R. Tucker, A. Turner, J. Ullom, J. van der List, J. Van Lanen, M. Vissers, A. Weber, S. Wen, I. Wehus, D. Wiebe, E. Young

Proceedings Volume 13102, 1310204 (2024) https://doi.org/10.1117/12.3016837

KEYWORDS: Cosmic microwave background, Cosmology, Superconducting detectors, Sensors, Receivers, Optical filters, Physics, Calibration

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Proceedings Article | 16 August 2024 Poster + Paper

Poster + Paper

The Simons Observatory: dark characterization of the large aperture telescope

Saianeesh Haridas, Zeeshan Ahmed, Tanay Bhandarkar, Mark Devlin, Simon Dicker, Shannon Duff, Daniel Dutcher, Kathleen Harrington, Shawn Henderson, Johannes Hubmayr, Bradley Johnson, Anna Kofman, Alex Manduca, Michael Niemack, Michael Randall, Thomas Satterthwaite, John Orlowski-Scherer, Benjamin Schmitt, Carlos Sierra, Max Silva-Feaver, Robert Thornton, Yuhan Wang, Kaiwen Zheng

Proceedings Volume 13102, 131022S (2024) https://doi.org/10.1117/12.3019247

KEYWORDS: Sensors, Telescopes, Tunable filters, Singular value decomposition, Physics, Observatories, Interference (communication), Resonators, Principal component analysis, Optical character recognition

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Proceedings Article | 31 August 2022 Poster + Paper

Poster + Paper

Simons Observatory focal-plane module: detector re-biasing with bias-step measurements

Yuhan Wang, Tanay Bhandarkar, Steve Choi, Kevin Crowley, Shannon Duff, Daniel Dutcher, John Groh, Kathleen Harrington, Erin Healy, Bradley Johnson, Jack Lashner, Yaqiong Li, Max Silva-Feaver, Rita Sonka, Suzanne Staggs, Samantha Walker, Kaiwen Zheng

Proceedings Volume 12190, 121901I (2022) https://doi.org/10.1117/12.2630135

KEYWORDS: Sensors, Semiconducting wafers, Bolometers, Telescopes, Superconductors, Resistors, Receivers, Copper, Tellurium, Physics

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Proceedings Article | 31 August 2022 Presentation + Paper

Presentation + Paper

A robust, efficient process to produce scalable, superconducting kilopixel far-IR detector arrays

Johannes Staguhn, Elmer Sharp, Shannon Duff, Gene Hilton, Ari Brown, Felipe Colazo, Nicholas Costen, Samuel Moseley, Frederick Wang, Edward Wollack, Sang Yoon

Proceedings Volume 12190, 121900O (2022) https://doi.org/10.1117/12.2629584

KEYWORDS: Sensors, Detector arrays, Superconductors, Multiplexers, Semiconducting wafers, Space operations, Optical fabrication, Imaging spectroscopy, Cameras, Spectroscopy

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Proceedings Article | 31 August 2022 Presentation + Paper

Presentation + Paper

Conceptual design of the modular detector and readout system for the CMB-S4 survey experiment

D. Barron, Z. Ahmed, J. Aguilar, A. Anderson, C. Baker, P. Barry, J. Beall, A. Bender, B. Benson, R. Besuner, T. Cecil, C. Chang, S. Chapman, G. Chesmore, G. Derylo, W. Doriese, S. Duff, T. Elleflot, J. Filippini, B. Flaugher, J. Gomez, P. Grimes, R. Gualtieri, I. Gullett, G. Haller, S. Henderson, D. Henke, R. Herbst, A. Huber, J. Hubmayr, M. Jonas, J. Joseph, C. King, J. Kovac, D. Kubik, M. Lisovenko, J. McMahon, L. Moncelsi, J. Nagy, B. Osherson, B. Reese, J. Ruhl, L. Sapozhnikov, A. Schillaci, S. Simon, A. Suzuki, G. Wang, B. Westbrook, V. Yefremenko, J. Zhang

Proceedings Volume 12190, 121900B (2022) https://doi.org/10.1117/12.2630494

KEYWORDS: Sensors, Prototyping, Superconductors, Bolometers, Time division multiplexing, Electronics, Wafer-level optics, Multiplexing, Silicon

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Proceedings Article | 31 August 2022 Poster + Paper

Poster + Paper

Tolerance analysis of octave bandwidth millimeter-wave planar orthomode transducer

Johannes Hubmayr, Jason Austermann, James Beall, Jake Connors, Shannon Duff, Jeffrey McMahon

Proceedings Volume 12190, 121901K (2022) https://doi.org/10.1117/12.2630174

KEYWORDS: Waveguides, Polarization, Tolerancing, Transducers, Microwave radiation, Sensors, Thin films

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Proceedings Article | 31 August 2022 Poster + Paper

Poster + Paper

LiteBIRD low- and mid-frequency detectors: design and status

G. Jaehnig, K. Arnold, J. Austermann, J. Beall, D. Becker, J. Connors, S. Duff, N. Halverson, M. Hazumi, G. Hilton, J. Hubmayr, C. L. Kuo, A. Lee, M. Link, C. Raum, S. Stevenson, A. Suzuki, K. Thompson, J. Van Lanen, M. Vissers, S. Walker, B. Westbrook

Proceedings Volume 12190, 121900T (2022) https://doi.org/10.1117/12.2630393

KEYWORDS: Sensors, Bolometers, Telescopes, Antennas, Bandpass filters, Polarization, Optical testing, Detector arrays, Resistors, Temperature metrology

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Proceedings Article | 31 August 2022 Poster + Paper

Poster + Paper

The Simons Observatory: mechanical and electrical robustness of the universal focal-plane modules

Erin Healy, James Beall, Shannon Duff, Daniel Dutcher, Bradley Johnson, Rita Sonka, Suzanne Staggs, Yuhan Wang, Kaiwen Zheng

Proceedings Volume 12190, 1219013 (2022) https://doi.org/10.1117/12.2629583

KEYWORDS: Sensors, Multiplexers, Resistance, Semiconducting wafers, Silicon, Microwave radiation, Observatories, Multiplexing, Telescopes, Prototyping

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Proceedings Article | 31 August 2022 Presentation + Paper

Presentation + Paper

Development of the low frequency telescope focal plane detector modules for LiteBIRD

B. Westbrook, C. Raum, S. Beckman, A. Lee, N. Farias, A. Bogdan, A. Hornsby, A. Suzuki, K. Rotermund, T. Elleflot, J. Austerman, J. Beall, S. Duff, J. Hubmayr, M. Vissers, M. Link, G. Jaehnig, N. Halverson, T. Ghigna, M. Hazumi, S. Stever, Y. Minami, K. Thompson, M. Russell, K. Arnold, M. Silva-Feaver

Proceedings Volume 12190, 121900I (2022) https://doi.org/10.1117/12.2630574

KEYWORDS: Semiconducting wafers, Bolometers, Palladium, Mars, Silicon, Telescopes, Sensors, Antennas, Photography, Computer aided design

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Proceedings Article | 31 August 2022 Poster + Paper

Poster + Paper

The Simons Observatory: complex impedance measurements for a full focal-plane module

Jack Lashner, Joseph Seibert, Max Silva-Feaver, Tanay Bhandarkar, Kevin Crowley, Shannon Duff, Daniel Dutcher, Kathleen Harrington, Shawn Henderson, Amber Miller, Michael Niemack, Suzanne Staggs, Yuhan Wang, Kaiwen Zheng

Proceedings Volume 12190, 121900Z (2022) https://doi.org/10.1117/12.2629374

KEYWORDS: Sensors, Thermal effects, Superconductors, Observatories, Bolometers, Temperature metrology, Physics, Thermal modeling, Prototyping, Microwave radiation

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Proceedings Article | 29 August 2022 Poster

Poster

Thermal Conductance of Superconducting and Dielectric Layers on TES Bolometer Legs

Angelina Harke-Hosemann, Joel Ullom, Peter Lowell, Kelsey Morgan, Johannes Hubmayr, Gene Hilton, Shannon Duff

Proceedings Volume 12180, 1218067 (2022) https://doi.org/10.1117/12.2634281

KEYWORDS: Sensors, Silicon, Microwave radiation, Bolometers, Polarimetry, Niobium

Proceedings Article | 22 January 2021 Poster + Paper

Poster + Paper

Measurements of AlMn TES bolometers well described by simple electrothermal model

Samantha Walker, Jason Austermann, James Beall, Bradley Dober, Shannon Duff, Gene Hilton, Johannes Hubmayr, Joel Ullom, Jeffrey Van Lanen, Michael Vissers

Proceedings Volume 11453, 1145326 (2021) https://doi.org/10.1117/12.2576274

KEYWORDS: Bolometers, Sensors, Resistance, Radon, Polarization, Measurement devices, Instrument modeling, Temperature metrology, Telescopes, Technetium

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Proceedings Article | 22 December 2020 Poster + Paper

Poster + Paper

The design of the Ali CMB Polarization Telescope receiver

M. Salatino, J. Austermann, K. Thompson, P. A. Ade, X. Bai, J. Beall, D. Becker, Y. Cai, Z. Chang, D. Chen, J. Connors, P. Chen, B. Dober, J. Delabrouille, S. Duff, G. Gao, R. Givhan, S. Ghosh, G. Hilton, B. Hu, J. Hubmayr, E. Karpel, C.-L. Kuo, H. Li, M. Li, S.-Y. Li, X. Li, M. Link, Y. Li, H. Liu, L. Liu, Y. Liu, F. Lu, T. Lucas, X. Lu, J. A. Mates, J. Mathewson, P. Mauskopf, J. Meinke, J. Montana-Lopez, J. Shi, A. Sinclair, R. Stephenson, W. Sun, Y.‐H. Tseng, C. Tucker, J. Ullom, L. Vale, J. van Lanen, M. Vissers, S. Walker, B. Wang, G. Wang, J. Wang, E. Weeks, Di Wu, Y.-H. Wu, J. Xia, H. Xu, J. Yao, Y. Yao, K. W. Yoon, B. Yue, H. Zhai, A. Zhang, Laiyu Zhang, Le Zhang, P. Zhang, T. Zhang, Xinmin Zhang, Yifei Zhang, Yongjie Zhang, G.-B. Zhao, W. Zhao

Proceedings Volume 11453, 114532A (2020) https://doi.org/10.1117/12.2560709

KEYWORDS: Receivers, Telescopes, Alternate lighting of surfaces, Polarization, Optical instrument design, Sensors, Multiplexing, Staring arrays, Polarimetry, Refractor telescopes

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Proceedings Article | 21 December 2020 Presentation + Paper

Presentation + Paper

LiteBIRD satellite: JAXA's new strategic L-class mission for all-sky surveys of cosmic microwave background polarization

M. Hazumi, P.A.R. Ade, A. Adler, E. Allys, K. Arnold, D. Auguste, J. Aumont, R. Aurlien, J. Austermann, C. Baccigalupi, A. Banday, R. Banjeri, R. Barreiro, S. Basak, J. Beall, D. Beck, S. Beckman, J. Bermejo, P. de Bernardis, M. Bersanelli, J. Bonis, J. Borrill, F. Boulanger, S. Bounissou, M. Brilenkov, M. Brown, M. Bucher, E. Calabrese, P. Campeti, A. Carones, F. Casas, A. Challinor, V. Chan, K. Cheung, Y. Chinone, J. Cliche, L. Colombo, F. Columbro, J. Cubas, A. Cukierman, D. Curtis, G. D'Alessandro, N. Dachlythra, M. De Petris, C. Dickinson, P. Diego-Palazuelos, M. Dobbs, T. Dotani, L. Duband, S. Duff, J. Duval, K. Ebisawa, T. Elleflot, H. Eriksen, J. Errard, T. Essinger-Hileman, F. Finelli, R. Flauger, C. Franceschet, U. Fuskeland, M. Galloway, K. Ganga, J. Gao, R. Genova-Santos, M. Gerbino, M. Gervasi, T. Ghigna, E. Gjerløw, M. Gradziel, J. Grain, F. Grupp, A. Gruppuso, J. Gudmundsson, T. de Haan, N. Halverson, P. Hargrave, T. Hasebe, M. Hasegawa, M. Hattori, S. Henrot-Versillé, D. Herman, D. Herranz, C. Hill, G. Hilton, Y. Hirota, E. Hivon, R. Hlozek, Y. Hoshino, E. de la Hoz, J. Hubmayr, K. Ichiki, T. Iida, H. Imada, K. Ishimura, H. Ishino, G. Jaehnig, T. Kaga, S. Kashima, N. Katayama, A. Kato, T. Kawasaki, R. Keskitalo, T. Kisner, Y. Kobayashi, N. Kogiso, A. Kogut, K. Kohri, E. Komatsu, K. Komatsu, K. Konishi, N. Krachmalnicoff, I. Kreykenbohm, C. L. Kuo, A. Kushino, L. Lamagna, J. Lanen, M. Lattanzi, A. Lee, C. Leloup, F. Levrier, E. Linder, T. Louis, G. Luzzi, T. Maciaszek, B. Maffei, D. Maino, M. Maki, S. Mandelli, E. Martinez-Gonzalez, S. Masi, T. Matsumura, A. Mennella, M. Migliaccio, Y. Minami, K. Mitsuda, J. Montgomery, L. Montier, G. Morgante, B. Mot, Y. Murata, J. Murphy, M. Nagai, Y. Nagano, T. Nagasaki, R. Nagata, S. Nakamura, T. Namikawa, P. Natoli, S. Nerval, T. Nishibori, H. Nishino, F. Noviello, C. O'Sullivan, H. Ogawa, S. Oguri, H. Ohsaki, I. Ohta, N. Okada, L. Pagano, A. Paiella, D. Paoletti, G. Patanchon, J. Peloton, F. Piacentini, G. Pisano, G. Polenta, D. Poletti, T. Prouvé, G. Puglisi, D. Rambaud, C. Raum, S. Realini, M. Reinecke, M. Remazeilles, A. Ritacco, G. Roudil, J. Rubino-Martin, M. Russell, H. Sakurai, Y. Sakurai, M. Sandri, M. Sasaki, G. Savini, D. Scott, J. Seibert, Y. Sekimoto, B. Sherwin, K. Shinozaki, M. Shiraishi, P. Shirron, G. Signorelli, G. Smecher, S. Stever, R. Stompor, H. Sugai, S. Sugiyama, A. Suzuki, J. Suzuki, T. Svalheim, E. Switzer, R. Takaku, H. Takakura, S. Takakura, Y. Takase, Y. Takeda, A. Tartari, E. Taylor, Y. Terao, H. Thommesen, K. Thompson, B. Thorne, T. Toda, M. Tomasi, M. Tominaga, N. Trappe, M. Tristram, M. Tsuji, M. Tsujimoto, C. Tucker, J. Ullom, G. Vermeulen, P. Vielva, F. Villa, M. Vissers, N. Vittorio, I. Wehus, J. Weller, B. Westbrook, J. Wilms, B. Winter, E. Wollack, N. Yamasaki, T. Yoshida, J. Yumoto, M. Zannoni, A. Zonca

Proceedings Volume 11443, 114432F (2020) https://doi.org/10.1117/12.2563050

KEYWORDS: Polarization, Satellites, Microwave radiation, Telescopes, Algorithm development, Refractor telescopes, Rockets, Quantum physics, Astrophysics, Spatial resolution

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Proceedings Article | 18 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

Simons Observatory Small Aperture Telescope overview

Kenji Kiuchi, Shunsuke Adachi, Aamir Ali, Kam Arnold, Peter Ashton, Jason Austermann, Andrew Bazako, James Beall, Yuji Chinone, Gabriele Coppi, Kevin Crowley, Simon Dicker, Bradley Dober, Shannon Duff, Giulio Fabbian, Nicholas Galitzki, Joseph Golec, Jon Gudmundsson, Kathleen Harrington, Masaya Hasegawa, Makoto Hattori, Charles Hill, Shuay-Pwu Patty Ho, Johannes Hubmayr, Bradley Johnson, Daisuke Kaneko, Nobuhiko Katayama, Brian Keating, Akito Kusaka, Jack Lashner, Adrian Lee, Frederick Matsuda, Heather McCarrick, Masaaki Murata, Federico Nati, Yume Nishinomiya, Lyman Page, Mayuri Sathyanarayana Rao, Christian Reichardt, Kana Sakaguri, Yuki Sakurai, Joseph Sibert, Jacob Spisak, Osamu Tajima, Grant Teply, Tomoki Terasaki, Tran Tsan, Samantha Walker, Edward Wollack, Zhilei Xu, Kyohei Yamada, Mario Zannoni, Ningfeng Zhu

Proceedings Volume 11445, 114457L (2020) https://doi.org/10.1117/12.2562016

KEYWORDS: Telescopes, Observatories, Polarization, Cryogenics, Atmospheric optics, Microwave radiation, Sensors, Bolometers, Singular optics, Optical systems

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Proceedings Article | 16 December 2020 Presentation + Paper

Presentation + Paper

Concept design of low frequency telescope for CMB B-mode polarization satellite LiteBIRD

Y. Sekimoto, P. A. Ade, A. Adler, E. Allys, K. Arnold, D. Auguste, J. Aumont, R. Aurlien, J. Austermann, C. Baccigalupi, A. Banday, R. Banerji, R. Barreiro, S. Basak, J. Beall, D. Beck, S. Beckman, J. Bermejo, P. de Bernardis, M. Bersanelli, J. Bonis, J. Borrill, F. Boulanger, S. Bounissou, M. Brilenkov, M. Brown, M. Bucher, E. Calabrese, P. Campeti, A. Carones, F. Casas, A. Challinor, V. Chan, K. Cheung, Y. Chinone, J. F. Cliche, L. Colombo, F. Columbro, J. Cubas, A. Cukierman, D. Curtis, G. D'Alessandro, N. Dachlythra, M. De Petris, C. Dickinson, P. Diego-Palazuelos, M. Dobbs, T. Dotani, L. Duband, S. Duff, J. M. Duval, K. Ebisawa, T. Elleflot, H. Eriksen, J. Errard, T. Essinger-Hileman, F. Finelli, R. Flauger, C. Franceschet, U. Fuskeland, M. Galloway, K. Ganga, J. R. Gao, R. Genova-Santos, M. Gerbino, M. Gervasi, T. Ghigna, E. Gjerløw, M. Gradziel, J. Grain, F. Grupp, A. Gruppuso, J. Gudmundsson, T. de Haan, N. Halverson, P. Hargrave, T. Hasebe, M. Hasegawa, M. Hattori, M. Hazumi, S. Henrot-Versillé, D. Herman, D. Herranz, C. Hill, G. Hilton, Y. Hirota, E. Hivon, R. Hlozek, Y. Hoshino, E. de la Hoz, J. Hubmayr, K. Ichiki, T. iida, H. Imada, K. Ishimura, H. Ishino, G. Jaehnig, T. Kaga, S. Kashima, N. Katayama, A. Kato, T. Kawasaki, R. Keskitalo, T. Kisner, Y. Kobayashi, N. Kogiso, A. Kogut, K. Kohri, E. Komatsu, K. Komatsu, K. Konishi, N. Krachmalnicoff, I. Kreykenbohm, C. L. Kuo, A. Kushino, L. Lamagna, J. Lanen, M. Lattanzi, A. Lee, C. Leloup, F. Levrier, E. Linder, T. Louis, G. Luzzi, T. Maciaszek, B. Maffei, D. Maino, M. Maki, S. Mandelli, E. Martinez-Gonzalez, S. Masi, T. Matsumura, A. Mennella, M. Migliaccio, Y. Minanmi, K. Mitsuda, J. Montgomery, L. Montier, G. Morgante, B. Mot, Y. Murata, J. A. Murphy, M. Nagai, Y. Nagano, T. Nagasaki, R. Nagata, S. Nakamura, T. Namikawa, P. Natoli, S. Nerval, T. Nishibori, H. Nishino, C. O'Sullivan, H. Ogawa, S. Oguri, H. Ohsaki, I. Ohta, N. Okada, L. Pagano, A. Paiella, D. Paoletti, G. Patanchon, J. Peloton, F. Piacentini, G. Pisano, G. Polenta, D. Poletti, T. Prouvé, G. Puglisi, D. Rambaud, C. Raum, S. Realini, M. Reinecke, M. Remazeilles, A. Ritacco, G. Roudil, J. A. Rubino-Martin, M. Russell, H. Sakurai, Y. Sakurai, M. Sandri, M. Sasaki, G. Savini, D. Scott, J. Seibert, B. Sherwin, K. Shinozaki, M. Shiraishi, P. Shirron, G. Signorelli, G. Smecher, S. Stever, R. Stompor, H. Sugai, S. Sugiyama, A. Suzuki, J. Suzuki, T. Svalheim, E. Switzer, R. Takaku, H. Takakura, S. Takakura, Y. Takase, Y. Takeda, A. Tartari, E. Taylor, Y. Terao, H. Thommesen, K. Thompson, B. Thorne, T. Toda, M. Tomasi, M. Tominaga, N. Trappe, M. Tristram, M. Tsuji, M. Tsujimoto, C. Tucker, J. Ullom, G. Vermeulen, P. Vielva, F. Villa, M. Vissers, N. Vittorio, I. Wehus, J. Weller, B. Westbrook, J. Wilms, B. Winter, E. Wollack, N. Yamasaki, T. Yoshida, J. Yumoto, M. Zannoni, A. Zonca

Proceedings Volume 11453, 1145310 (2020) https://doi.org/10.1117/12.2561841

KEYWORDS: Telescopes, Polarization, Optical instrument design, Satellites, Stray light, Antennas, Reflectors, Microwave radiation, Spatial resolution, Diffraction

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Proceedings Article | 15 December 2020 Presentation + Paper

Presentation + Paper

Overview of the medium and high frequency telescopes of the LiteBIRD space mission

L. Montier, B. Mot, P. de Bernardis, B. Maffei, G. Pisano, F. Columbro, J. Gudmundsson, S. Henrot-Versillé, L. Lamagna, J. Montgomery, T. Prouvé, M. Russell, G. Savini, S. Stever, K. Thompson, M. Tsujimoto, C. Tucker, B. Westbrook, P. A. R. Ade, A. Adler, E. Allys, K. Arnold, D. Auguste, J. Aumont, R. Aurlien, J. Austermann, C. Baccigalupi, A. Banday, R. Banerji, R. Barreiro, S. Basak, J. Beall, D. Beck, S. Beckman, J. Bermejo, M. Bersanelli, J. Bonis, J. Borrill, F. Boulanger, S. Bounissou, M. Brilenkov, M. Brown, M. Bucher, E. Calabrese, P. Campeti, A. Carones, F. Casas, A. Challinor, V. Chan, K. Cheung, Y. Chinone, J. Cliche, L. Colombo, J. Cubas, A. Cukierman, D. Curtis, G. D'Alessandro, N. Dachlythra, M. De Petris, C. Dickinson, P. Diego-Palazuelos, M. Dobbs, T. Dotani, L. Duband, S. Duff, J. Duval, K. Ebisawa, T. Elleflot, H. Eriksen, J. Errard, T. Essinger-Hileman, F. Finelli, R. Flauger, C. Franceschet, U. Fuskeland, M. Galloway, K. Ganga, J. Gao, R. Genova-Santos, M. Gerbino, M. Gervasi, T. Ghigna, E. Gjerløw, M. Gradziel, J. Grain, F. Grupp, A. Gruppuso, T. de Haan, N. Halverson, P. Hargrave, T. Hasebe, M. Hasegawa, M. Hattori, M. Hazumi, D. Herman, D. Herranz, C. Hill, G. Hilton, Y. Hirota, E. Hivon, R. Hlozek, Y. Hoshino, E. de la Hoz, J. Hubmayr, K. Ichiki, T. Iida, H. Imada, K. Ishimura, H. Ishino, G. Jaehnig, T. Kaga, S. Kashima, N. Katayama, A. Kato, T. Kawasaki, R. Keskitalo, T. Kisner, Y. Kobayashi, N. Kogiso, A. Kogut, K. Kohri, E. Komatsu, K. Komatsu, K. Konishi, N. Krachmalnicoff, I. Kreykenbohm, C. Kuo, A. Kushino, J. Lanen, M. Lattanzi, A. Lee, C. Leloup, F. Levrier, E. Linder, T. Louis, G. Luzzi, T. Maciaszek, D. Maino, M. Maki, S. Mandelli, E. Martinez-Gonzalez, S. Masi, T. Matsumura, A. Mennella, M. Migliaccio, Y. Minami, K. Mitsuda, G. Morgante, Y. Murata, J. Murphy, M. Nagai, Y. Nagano, T. Nagasaki, R. Nagata, S. Nakamura, T. Namikawa, P. Natoli, S. Nerval, T. Nishibori, H. Nishino, C. O'Sullivan, H. Ogawa, S. Oguri, H. Ohsaki, I. Ohta, N. Okada, L. Pagano, A. Paiella, D. Paoletti, G. Patanchon, J. Peloton, F. Piacentini, G. Polenta, D. Poletti, G. Puglisi, D. Rambaud, C. Raum, S. Realini, M. Reinecke, M. Remazeilles, A. Ritacco, G. Roudil, J. Rubino-Martin, H. Sakurai, Y. Sakurai, M. Sandri, M. Sasaki, D. Scott, J. Seibert, Y. Sekimoto, B. Sherwin, K. Shinozaki, M. Shiraishi, P. Shirron, G. Signorelli, G. Smecher, R. Stompor, H. Sugai, S. Sugiyama, A. Suzuki, J. Suzuki, T. Svalheim, E. Switzer, R. Takaku, H. Takakura, S. Takakura, Y. Takase, Y. Takeda, A. Tartari, E. Taylor, Y. Terao, H. Thommesen, B. Thorne, T. Toda, M. Tomasi, M. Tominaga, N. Trappe, M. Tristram, M. Tsuji, J. Ullom, G. Vermeulen, P. Vielva, F. Villa, M. Vissers, N. Vittorio, I. Wehus, J. Weller, J. Wilms, B. Winter, E. Wollack, N. Yamasaki, T. Yoshida, J. Yumoto, M. Zannoni, A. Zonca

Proceedings Volume 11443, 114432G (2020) https://doi.org/10.1117/12.2562243

KEYWORDS: Telescopes, Space operations, Refractor telescopes, Sensors, Microwave radiation, Polarization, Cryogenics, Wave plates, Optical components, Lenses

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Proceedings Article | 15 December 2020 Poster + Paper

Poster + Paper

Detector fabrication development for the LiteBIRD satellite mission

B. Westbrook, C. Raum, S. Beckman, A. Lee, N. Farias, T. Sasse, A. Suzuki, E. Kane, J. E. Austermann, J. A. Beall, S. Duff, J. Hubmayr, G. Hilton, J. Van Lanen, M. Vissers, M. Link, N. Halverson, G. Jaehnig, T. Ghinga, S. Stever, Y. Minami, K. L. Thompson, M. Russell, K. Arnold, J. Seibert, M. Silva-Feaver

Proceedings Volume 11443, 114435Q (2020) https://doi.org/10.1117/12.2562978

KEYWORDS: Sensors, Detector development, Satellites, Polarization, Microwave radiation, Optical telescopes, Antennas

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Proceedings Article | 14 December 2020 Presentation + Paper

Presentation + Paper

The Simons Observatory: the Large Aperture Telescope Receiver (LATR) integration and validation results

Zhilei Xu, Tanay Bhandarkar, Gabriele Coppi, Anna Kofman, John Orlowski-Scherer, Ningfeng Zhu, Aamir Ali, Kam Arnold, Jason Austermann, Steve Choi, Jake Connors, Nicholas Cothard, Mark Devlin, Simon Dicker, Bradley Dober, Shannon Duff, Giulio Fabbian, Nicholas Galitzki, Saianeesh Haridas, Katheleen Harrington, Erin Healy, Shuay-Pwu Patty Ho, Johannes Hubmayr, Jeffrey Iuliano, Jack Lashner, Yaqiong Li, Michele Limon, Brian Koopman, Heather McCarrick, Jenna Moore, Federico Nati, Michael Niemack, Christian Reichardt, Karen Sarmiento, Joseph Seibert, Maximiliano Silva-Feaver, Rita Sonka, Suzanne Staggs, Robert Thornton, Eve Vavagiakis, Michael Vissers, Samantha Walker, Yuhan Wang, Edward Wollack, Kaiwen Zheng

Proceedings Volume 11453, 1145315 (2020) https://doi.org/10.1117/12.2576151

KEYWORDS: Observatories, Telescopes, Receivers, Tellurium, Cryogenics, Sensors, Optical instrument design, Optical alignment, Microwave radiation, Integrated optics

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Proceedings Article | 14 December 2020 Presentation + Paper

Presentation + Paper

Assembly development for the Simons Observatory focal plane readout module

Erin Healy, Aamir Ali, Kam Arnold, Jason Austermann, James Beall, Sarah Marie Bruno, Steve Choi, Jake Connors, Nicholas Cothard, Bradley Dober, Shannon Duff, Nicholas Galitzki, Gene Hilton, Shuay-Pwu Patty Ho, Johannes Hubmayr, Bradley Johnson, Yaqiong Li, Michael Link, Tammy Lucas, Heather McCarrick, Michael Niemack, Maximiliano Silva-Feaver, Rita Sonka, Suzanne Staggs, Eve Vavagiakis, Michael Vissers, Yuhan Wang, Edward Wollack, Zhilei Xu, Benjamin Westbrook, Kaiwen Zheng

Proceedings Volume 11453, 1145317 (2020) https://doi.org/10.1117/12.2561743

KEYWORDS: Observatories, Microwave radiation, Telescopes, Sensors, Bolometers, Multiplexing, Electronics, Receivers, Antennas, Transducers

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

Design and pre-flight performance of SPIDER 280 GHz receivers

E. Shaw, P. A. R. Ade, S. Akers, M. Amiri, J. Austermann, J. A. Beall, D. Becker, S. J. Benton, A. Bergman, J. J. Bock, J. R. Bond, S. A. Bryan, H. C. Chiang, C. Contaldi, R. S. Domagalski, O. Doré, S. M. Duff, A. J. Duivenvoorden, H. K. Eriksen, M. Farhang, J. P. Filippini, L. M. Fissel, A. A. Fraisse, K. Freese, M. Galloway, A. E. Gambrel, N. N. Gandilo, K. Ganga, A. Grigorian, R. Gualtieri, J. Gudmundsson, M. Halpern, J. Hartley, M. Hasselfield, G. Hilton, W. Holmes, V. V. Hristov, Z. Huang, J. Hubmayr, K. D. Irwin, W. C. Jones, A. Kahn, C. L. Kuo, Z. D. Kermish, A. Lennox, J. S.-Y. Leung, S. Li, P. V. Mason, K. Megerian, L. Mocanu, L. Moncelsi, T. A. Morford, J. M. Nagy, R. Nie, M. Nolta, C. B. Netterfield, B. Osherson, I. L. Padilla, A. Rahlin, S. Redmond, C. Reintsema, M. Runyan, L. J. Romualdez, J. E. Ruhl, J. Shariff, C. Shiu, J. D. Soler, X. Song, A. Trangsrud, H. Thommesen, C Tucker, R. S. Tucker, A. D. Turner, J. Ullom, J. F. van der List, J. Van Lanen, M. Vissers, A. C. Weber, S. Wen, I. K. Wehus, D. V. Wiebe, E. Y. Young

Proceedings Volume 11453, 114532F (2020) https://doi.org/10.1117/12.2562941

KEYWORDS: Receivers, Sensors, Telescopes, Polarization, Microwave radiation

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Proceedings Article | 13 December 2020 Poster + Paper

Poster + Paper

Comparing complex impedance and bias step measurements of Simons Observatory transition edge sensors

Nicholas Cothard, Aamir Ali, Jason Austermann, Steve Choi, Kevin Crowley, Bradley Dober, Cody Duell, Shannon Duff, Patricio Gallardo, Gene Hilton, Shuay-Pwu Patty Ho, Johannes Hubmayr, Michael Link, Michael Niemack, Rita Sonka, Suzanne Staggs, Eve Vavagiakis, Edward Wollack, Zhilei Xu

Proceedings Volume 11453, 1145325 (2020) https://doi.org/10.1117/12.2575912

KEYWORDS: Sensors, Observatories, Bolometers, Thermal effects, Microwave radiation, Telescopes, Superconductors, Aluminum, Manganese, Calibration

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Proceedings Article | 31 July 2018 Presentation + Paper

Presentation + Paper

The Simons Observatory: instrument overview

Nicholas Galitzki, Aamir Ali, Kam Arnold, Peter Ashton, Jason Austermann, Carlo Baccigalupi, Taylor Baildon, Darcy Barron, James Beall, Shawn Beckman, Sarah Marie Bruno, Sean Bryan, Paolo Calisse, Grace Chesmore, Yuji Chinone, Steve Choi, Gabriele Coppi, Kevin Crowley, Ari Cukierman, Mark Devlin, Simon Dicker, Bradley Dober, Shannon Duff, Jo Dunkley, Giulio Fabbian, Patricio Gallardo, Martina Gerbino, Neil Goeckner-Wald, Joseph Golec, Jon Gudmundsson, Erin Healy, Shawn Henderson, Charles Hill, Gene Hilton, Shuay-Pwu Patty Ho, Logan Howe, Johannes Hubmayr, Oliver Jeong, Brian Keating, Brian Koopman, Kenji Kiuchi, Akito Kusaka, Jacob Lashner, Adrian Lee, Yaqiong Li, Michele Limon, Marius Lungu, Frederick Matsuda, Philip Mauskopf, Andrew May, Nialh McCallum, Jeff McMahon, Federico Nati, Michael Niemack, John Orlowski-Scherer, Stephen Parshley, Lucio Piccirillo, Mayuri Sathyanarayana Rao, Christopher Raum, Maria Salatino, Joseph Seibert, Carlos Sierra, Max Silva-Feaver, Sara Simon, Suzanne Staggs, Jason Stevens, Aritoki Suzuki, Grant Teply, Robert Thornton, Calvin Tsai, Joel Ullom, Eve Vavagiakis, Michael Vissers, Benjamin Westbrook, Edward Wollack, Zhilei Xu, Ningfeng Zhu

Proceedings Volume 10708, 1070804 (2018) https://doi.org/10.1117/12.2312985

KEYWORDS: Sensors, Receivers, Telescopes, Cryogenics, Physics, Wafer-level optics, Semiconducting wafers, Lenses, Staring arrays, Observatories

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Proceedings Article | 27 July 2018 Presentation + Paper

Presentation + Paper

Electrothermal characterization of AlMn transition-edge sensor bolometers for advanced ACTPol

Kevin Crowley, Jason Austermann, Shannon Duff, Patricio Gallardo, Gene Hilton, Johannes Hubmayr, Sara Simon, Suzanne Staggs, Joel Ullom, Edward Wollack

Proceedings Volume 10708, 107081L (2018) https://doi.org/10.1117/12.2313859

KEYWORDS: Bolometers, Data modeling, Sensors, Solids, Thermal modeling, Error analysis, Resistance, Amplifiers, Microwave radiation, Signal detection

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Proceedings Article | 24 July 2018 Presentation + Paper

Presentation + Paper

Performance of the advanced ACTPol low frequency array

Yaqiong Li, Jason Austermann, James Beall, Sarah Marie Bruno, Steve Choi, Nicholas Cothard, Kevin Crowley, Shannon Duff, Patricio Gallardo, Shawn Henderson, Shuay-Pwu Patty Ho, Johannes Hubmayr, Brian Koopman, Jeff McMahon, Michael Niemack, Maria Salatino, Sara Simon, Suzanne Staggs, Jason Stevens, Joel Ullom, Jonathan Ward, Edward Wollack

Proceedings Volume 10708, 107080A (2018) https://doi.org/10.1117/12.2313942

KEYWORDS: Sensors, Semiconducting wafers, Bolometers, Silicon, Detector arrays, Polarization, Superconductors, Optical testing

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Proceedings Article | 18 July 2018 Paper

Paper

Highly-multiplexed microwave SQUID readout using the SLAC Microresonator Radio Frequency (SMuRF) electronics for future CMB and sub-millimeter surveys

Shawn Henderson, Zeeshan Ahmed, Jason Austermann, Daniel Becker, Douglas Bennett, David Brown, Saptarshi Chaudhuri, Hsiao-Mei Sherry Cho, John D'Ewart, Bradley Dober, Shannon Duff, John Dusatko, Sofia Fatigoni, Josef Frisch, Jonathon Gard, Mark Halpern, Gene Hilton, Johannes Hubmayr, Kent Irwin, Ethan Karpel, Sarah Kernasovskiy, Stephen Kuenstner, Chao-Lin Kuo, Dale Li, John A. Mates, Carl Reintsema, Stephen Smith, Joel Ullom, Leila Vale, Daniel Van Winkle, Michael Vissers, Cyndia Yu

Proceedings Volume 10708, 1070819 (2018) https://doi.org/10.1117/12.2314435

KEYWORDS: Resonators, Multiplexers, Microwave radiation, Cryogenics, Multiplexing, Electronics, Sensors, Field programmable gate arrays, Amplifiers

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The next generation of cryogenic CMB and submillimeter cameras under development require densely instrumented sensor arrays to meet their science goals. The readout of large numbers (~10,000-100,000 per camera) of sub-Kelvin sensors, for instance as proposed for the CMB-S4 experiment, will require substantial improvements in cold and warm readout techniques. To reduce the readout cost per sensor and integration complexity, efforts are presently focused on achieving higher multiplexing density while maintaining readout noise subdominant to intrinsic detector noise and presenting manageable thermal loads. Highly-multiplexed cold readout technologies in active development include Microwave Kinetic Inductance Sensors (MKIDs) and microwave rf-SQUIDs. Both exploit the high quality factors of superconducting microwave resonators to densely channelize sub-Kelvin sensors into the bandwidth of a microwave transmission line. In the case of microwave SQUID multiplexing, arrays of transition-edge sensors (TES) are multiplexed by coupling each TES to its own superconducting microwave resonator through an rf-SQUID. We present advancements in the development of a new warm readout system for microwave SQUID multiplexing, the SLAC Superconducting Microresonator RF electronics, or SMuRF, by adapting SLAC National Accelerator Laboratory's Advanced Telecommunications Computing Architecture (ATCA) FPGA Common Platform. SMuRF aims to read out 4000 microwave SQUID channels between 4 and 8 GHz per RF line. Each compact SMuRF system is built onto a single ATCA carrier blade. Daughter boards on the blade implement RF frequency-division multiplexing using FPGAs, fast DACs and ADCs, and an analog up- and down-conversion chain. The system reads out changes in flux in each resonator-coupled rf-SQUID by monitoring the change in the transmitted amplitude and frequency of RF tones produced at each resonator's fundamental frequency. The SMuRF system is unique in its ability to track each tone, minimizing the total RF power required to readout each resonator, thereby significantly reducing the linearity requirements on the cold and warm readout. Here, we present measurements of the readout noise and linearity of the first full SMuRF system, including a demonstration of closed-loop tone tracking on a 528 channel cryogenic microwave SQUID multiplexer. SMuRF is being explored as a potential readout solution for a number of future CMB projects including Simons Observatory, BICEP Array, CCAT-prime, Ali-CPT, and CMB-S4. In addition, parallel development of the platform is underway to adapt SMuRF to read out both MKID and fast X-ray TES calorimeter arrays.

Proceedings Article | 10 July 2018 Presentation

Presentation

Readout demonstration of 512 TES bolometers using a single microwave SQUID multiplexer (Conference Presentation)

Bradley Dober, Zeeshan Ahmed, Jason Austermann, Daniel Becker, Douglas Bennett, David Brown, Saptarshi Chaudhuri, Hsiao-Mei Sherry Cho, John D'Ewart, Shannon Duff, John Dusatko, Sofia Fatigoni, Josef Frisch, Johnathon Gard, Mark Halpern, Shawn Henderson, Gene Hilton, Johannes Hubmayr, Kent Irwin, Ethan Karpel, Sarah Kernasovskiy, John A. Mates, Carl Reintsema, Michael Vissers, Leila Vale, Joel Ullom, Stephen Kuenstner, Chao-Lin Kuo, Dale Li, Stephen Smith, Daniel Van Winkle, Betty Young, Cyndia Yu

Proceedings Volume 10708, 1070818 (2018) https://doi.org/10.1117/12.2314231

KEYWORDS: Multiplexers, Microwave radiation, Bolometers, Sensors, Resonators, Multiplexing, Receivers, Modulation, Cameras, Observatories

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To enable the next-generation of bolometric cameras, we are developing the microwave SQUID multiplexer (μMUX). Upcoming receivers such as Simons Observatory, CCAT-prime, BICEP array, Ali-CPT, and CMB-S4 plan to instrument focal planes with 50,000-500,000 sensors. Sensor count is achieved by tiling many 150 mm-diameter densely packed detector arrays into these focal planes. The fabrication and quality of large-format bolometer arrays has been demonstrated and is now mature. In contrast, the readout technology required for next-generation receivers needs development. The sensitivity, low cross-talk, high multiplexing density, and small component size make the μMUX well-suited for this goal. In this approach, the TES signal modulates the inductance of an rf-SQUID that loads a high-Q microwave resonator. The coupled signal therefore modulates the microwave resonance frequency, which may be read out using homodyne techniques. By coupling each resonator to the same microwave feedline, many detectors can be read out on a single coaxial cable pair. The multiplexing density is in practice limited by signal bandwidth, allowable cross-talk, and the digitization bandwidth of room-temperature readout electronics. We present the design and performance of a scalable 64-channel multiplexer chip optimized for bolometric applications. We utilize a new quarter wave resonator design that increases the physical linear density by a factor of two, therefore achieving a smaller footprint for simplified detector packaging. Measurements of this design show 100 kHz resonator bandwidth, uniform 1.8 MHz frequency spacing, and an input referred current noise of 35 pA/√Hz that is well below the level of an optimized, background-limited TES bolometer. Using 8 daisy-chained and frequency scaled chips, we create a 512-channel multiplexer and use it to readout a 512 TES-bolometer array. We present the results of this large-scale μMUX demonstration including system yield, signal cross-talk, and an analysis of noise in various TES bias configurations. The result demonstrates the multiplexing density required to read out 2,000 sensors between 4-8 GHz.

Proceedings Article | 9 July 2018 Paper

Paper

Studies of systematic uncertainties for Simons Observatory: detector array effects

Kevin Crowley, Sara Simon, Max Silva-Feaver, Neil Goeckner-Wald, Aamir Ali, Jason Austermann, Michael Brown, Yuji Chinone, Ari Cukierman, Bradley Dober, Shannon Duff, Jo Dunkley, Josquin Errard, Giulio Fabbian, Patricio Gallardo, Shuay-Pwu Patty Ho, Johannes Hubmayr, Brian Keating, Akito Kusaka, Nialh McCallum, Jeff McMahon, Federico Nati, Michael Niemack, Giuseppe Puglisi, Mayuri Sathyanarayana Rao, Christian Reichardt, Maria Salatino, Praween Siritanasak, Suzanne Staggs, Aritoki Suzuki, Grant Teply, Daniel Thomas, Joel Ullom, Clara Vergès, Michael Vissers, Benjamin Westbrook, Edward Wollack, Zhilei Xu, Ningfeng Zhu

Proceedings Volume 10708, 107083Z (2018) https://doi.org/10.1117/12.2313414

KEYWORDS: Sensors, Polarization, Bolometers, Signal detection, Detector arrays, Calibration, Contamination, Antennas, Device simulation, Optical simulations

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Proceedings Article | 9 July 2018 Paper

Paper

Feedhorn development and scalability for Simons Observatory and beyond

Sara Simon, Joseph Golec, Aamir Ali, Jason Austermann, James Beall, Sarah Marie Bruno, Steve Choi, Kevin Crowley, Simon Dicker, Bradley Dober, Shannon Duff, Erin Healy, Charles Hill, Shuay-Pwu Patty Ho, Johannes Hubmayr, Yaqiong Li, Marius Lungu, Jeff McMahon, John Orlowski-Scherer, Maria Salatino, Suzanne Staggs, Edward Wollack, Zhilei Xu, Ningfeng Zhu

Proceedings Volume 10708, 107084B (2018) https://doi.org/10.1117/12.2313405

KEYWORDS: Silicon, Semiconducting wafers, Aluminum, Tolerancing, Detector arrays, Metals, Etching, Gold, Sensors, Coating

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Proceedings Article | 9 July 2018 Presentation + Paper

Presentation + Paper

Prime-Cam: a first-light instrument for the CCAT-prime telescope

E. Vavagiakis, Z. Ahmed, A. Ali, K. Basu, N. Battaglia, F. Bertoldi, R. Bond, R. Bustos, S. Chapman, D. Chung, G. Coppi, N. Cothard, S. Dicker, C. Duell, S. Duff, J. Erler, M. Fich, N. Galitzki, P. Gallardo, S. Henderson, T. Herter, G. Hilton, J. Hubmayr, K. Irwin, B. Koopman, J. McMahon, N. Murray, M. Niemack, T. Nikola, M. Nolta, J. Orlowski-Scherer, S. Parshley, D. Riechers, K. Rossi, D. Scott, C. Sierra, M. Silva-Feaver, S. Simon, G. Stacey, J. Stevens, J. Ullom, M. Vissers, S. Walker, E. Wollack, Z. Xu, N. Zhu

Proceedings Volume 10708, 107081U (2018) https://doi.org/10.1117/12.2313868

KEYWORDS: Sensors, Telescopes, Spectroscopy, Receivers, Detector arrays, Silicon, Cryogenics, Polarization, Electronics, Physics

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Proceedings Article | 7 March 2017 Paper

Paper

Highly uniform 150 mm diameter multichroic polarimeter array deployed for CMB detection

Shuay-Pwu Patty Ho, Jason Austermann, James Beall, Steve Choi, Nicholas Cothard, Kevin Crowley, Rahul Datta, Mark Devlin, Shannon Duff, Patricio Gallardo, Matthew Hasselfield, Shawn Henderson, Gene Hilton, Johannes Hubmayr, Brian Koopman, Yaqiong Li, Jeffrey McMahon, Michael Niemack, Maria Salatino, Sara Simon, Suzanne Staggs, Jonathan Ward, Joel Ullom, Eve Vavagiakis, Edward Wollack

Proceedings Volume 9914, 991418 (2017) https://doi.org/10.1117/12.2233113

KEYWORDS: Sensors, Telescopes, Receivers, Microwave radiation, Polarimetry, Bolometers, Polarization, Detector arrays, Anisotropy, Superconducting detectors

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Proceedings Article | 16 September 2016 Paper

Paper

Characterization of AlMn TES impedance, noise, and optical efficiency in the first 150 mm multichroic array for Advanced ACTPol

Kevin Crowley, Steve Choi, Jeffrey Kuan, Jason Austermann, James Beall, Rahul Datta, Shannon Duff, Patricio Gallardo, Matthew Hasselfield, Shawn Henderson, Shuay-Pwu Ho, Brian Koopman, Michael Niemack, Maria Salatino, Sara Simon, Suzanne Staggs, Edward Wollack

Proceedings Volume 9914, 991431 (2016) https://doi.org/10.1117/12.2231999

KEYWORDS: Sensors, Data modeling, Telescopes, Temperature metrology, Radon, Optical testing, Wafer-level optics, Resistance, Solids, Technetium

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Proceedings Article | 20 July 2016 Paper

Paper

Assembly and integration process of the first high density detector array for the Atacama Cosmology Telescope

Yaqiong Li, Steve Choi, Shuay-Pwu Ho, Kevin Crowley, Maria Salatino, Sara Simon, Suzanne Staggs, Federico Nati, Jonathan Ward, Benjamin Schmitt, Shawn Henderson, Brian Koopman, Patricio Gallardo, Eve Vavagiakis, Michael Niemack, Jeff McMahon, Shannon Duff, Alessandro Schillaci, Johannes Hubmayr, Gene Hilton, James Beall, Edward Wollack

Proceedings Volume 9914, 991435 (2016) https://doi.org/10.1117/12.2233470

KEYWORDS: Sensors, Semiconducting wafers, Multiplexers, Detector arrays, Wafer bonding, Optical alignment, Copper, Silicon, Aluminum, Cements

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Proceedings Article | 20 July 2016 Paper

Paper

Optical modeling and polarization calibration for CMB measurements with ACTPol and Advanced ACTPol

Brian Koopman, Jason Austermann, Hsiao-Mei Cho, Kevin Coughlin, Shannon Duff, Patricio Gallardo, Matthew Hasselfield, Shawn Henderson, Shuay-Pwu Patty Ho, Johannes Hubmayr, Kent Irwin, Dale Li, Jeff McMahon, Federico Nati, Michael Niemack, Laura Newburgh, Lyman Page, Maria Salatino, Alessandro Schillaci, Benjamin Schmitt, Sara Simon, Eve Vavagiakis, Jonathan Ward, Edward Wollack

Proceedings Volume 9914, 99142T (2016) https://doi.org/10.1117/12.2231912

KEYWORDS: Polarization, Calibration, Telescopes, Sensors, Signal detection, Sensors, Code v, Ray tracing, Receivers, Geometrical optics, Microwave radiation

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The Atacama Cosmology Telescope Polarimeter (ACTPol) is a polarization sensitive upgrade to the Atacama Cosmology Telescope, located at an elevation of 5190 m on Cerro Toco in Chile. ACTPol uses transition edge sensor bolometers coupled to orthomode transducers to measure both the temperature and polarization of the Cosmic Microwave Background (CMB). Calibration of the detector angles is a critical step in producing polarization maps of the CMB. Polarization angle offsets in the detector calibration can cause leakage in polarization from E to B modes and induce a spurious signal in the EB and TB cross correlations, which eliminates our ability to measure potential cosmological sources of EB and TB signals, such as cosmic birefringence. We calibrate the ACTPol detector angles by ray tracing the designed detector angle through the entire optical chain to determine the projection of each detector angle on the sky. The distribution of calibrated detector polarization angles are consistent with a global offset angle from zero when compared to the EB-nulling offset angle, the angle required to null the EB cross-correlation power spectrum. We present the optical modeling process. The detector angles can be cross checked through observations of known polarized sources, whether this be a galactic source or a laboratory reference standard. To cross check the ACTPol detector angles, we use a thin film polarization grid placed in front of the receiver of the telescope, between the receiver and the secondary reflector. Making use of a rapidly rotating half-wave plate (HWP) mount we spin the polarizing grid at a constant speed, polarizing and rotating the incoming atmospheric signal. The resulting sinusoidal signal is used to determine the detector angles. The optical modeling calibration was shown to be consistent with a global offset angle of zero when compared to EB nulling in the first ACTPol results and will continue to be a part of our calibration implementation. The first array of detectors for Advanced ACTPol, the next generation upgrade to ACTPol, will be deployed in 2016. We plan to continue using both techniques and compare them to astrophysical source measurements for the Advanced ACTPol polarization calibration.

Proceedings Article | 19 July 2016 Paper

Paper

Mechanical designs and development of TES bolometer detector arrays for the Advanced ACTPol experiment

Jonathan Ward, Jason Austermann, James Beall, Steve Choi, Kevin Crowley, Mark Devlin, Shannon Duff, Patricio Gallardo, Shawn Henderson, Shuay-Pwu Patty Ho, Gene Hilton, Johannes Hubmayr, Niloufar Khavari, Jeffrey Klein, Brian Koopman, Dale Li, Jeffrey McMahon, Grace Mumby, Federico Nati, Michael Niemack, Lyman Page, Maria Salatino, Alessandro Schillaci, Benjamin Schmitt, Sara Simon, Suzanne Staggs, Robert Thornton, Joel Ullom, Eve Vavagiakis, Edward Wollack

Proceedings Volume 9914, 991437 (2016) https://doi.org/10.1117/12.2233746

KEYWORDS: Detector arrays, Sensors, Semiconducting wafers, Mechanical engineering, Bolometers, Waveguides, Copper, Electronics, Receivers, Magnetism

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Proceedings Article | 19 July 2016 Paper

Paper

The design and characterization of wideband spline-profiled feedhorns for Advanced ACTPol

Sara Simon, Jason Austermann, James Beall, Steve Choi, Kevin Coughlin, Shannon Duff, Patricio Gallardo, Shawn Henderson, Felicity Hills, Shuay-Pwu Patty Ho, Johannes Hubmayr, Alec Josaitis, Brian Koopman, Jeff McMahon, Federico Nati, Laura Newburgh, Michael Niemack, Maria Salatino, Alessandro Schillaci, Benjamin Schmitt, Suzanne Staggs, Eve Vavagiakis, Jonathan Ward, Edward Wollack

Proceedings Volume 9914, 991416 (2016) https://doi.org/10.1117/12.2233603

KEYWORDS: Polarization, Sensors, Optical simulations, Telescopes, Waveguides, Semiconducting wafers, Deep reactive ion etching, Receivers, Physics, Electromagnetism

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Proceedings Article | 19 July 2016 Paper

Paper

Readout of two-kilopixel transition-edge sensor arrays for Advanced ACTPol

Shawn Henderson, Jason Stevens, Mandana Amiri, Jason Austermann, James Beall, Saptarshi Chaudhuri, Hsiao-Mei Cho, Steve Choi, Nicholas Cothard, Kevin Crowley, Shannon Duff, Colin Fitzgerald, Patricio Gallardo, Mark Halpern, Matthew Hasselfield, Gene Hilton, Shuay-Pwu Patty Ho, Johannes Hubmayr, Kent Irwin, Brian Koopman, Dale Li, Yaqiong Li, Jeff McMahon, Federico Nati, Michael Niemack, Carl Reintsema, Maria Salatino, Alessandro Schillaci, Benjamin Schmitt, Sara Simon, Suzanne Staggs, Eve Vavagiakis, Jonathan Ward

Proceedings Volume 9914, 99141G (2016) https://doi.org/10.1117/12.2233895

KEYWORDS: Multiplexing, Electronics, Sensors, Multiplexing, Electronics, Superconductors, Inductance, Polarization, Multiplexers, Interfaces, Tellurium, Servomechanisms

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Proceedings Article | 19 July 2016 Paper

Paper

Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER

Johannes Hubmayr, Jason Austermann, James Beall, Daniel Becker, Steven Benton, A. Stevie Bergman, J. Richard Bond, Sean Bryan, Shannon Duff, Adri Duivenvoorden, H. Eriksen, Jeffrey Filippini, A. Fraisse, Mathew Galloway, Anne Gambrel, K. Ganga, Arpi Grigorian, Riccardo Gualtieri, Jon Gudmundsson, John Hartley, M. Halpern, Gene Hilton, William Jones, Jeffrey McMahon, Lorenzo Moncelsi, Johanna Nagy, C. Netterfield, Benjamin Osherson, Ivan Padilla, Alexandra Rahlin, B. Racine, John Ruhl, T. Rudd, J. Shariff, J. Soler, Xue Song, Joel Ullom, Jeff Van Lanen, Michael Vissers, I. Wehus, Shyang Wen, D. Wiebe, Edward Young

Proceedings Volume 9914, 99140V (2016) https://doi.org/10.1117/12.2231896

KEYWORDS: Bolometers, Polarimetry, Sensors, Detector arrays, Polarization, Silicon, Waveguides, Semiconducting wafers, Niobium, Technetium

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Showing 5 of 46 publications

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