Mr. Paul J. Stomski Profile

Paul J. Stomski

Project Manager & Engineer at WM Keck Observatory

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Author

Publications (30)

Proceedings Article | 10 July 2018 Presentation + Paper

Understanding the risk of unattended nighttime operations at W. M. Keck Observatory

Sarah Gajadhar, Carolyn Jordan, Paul Stomski

Proceedings Volume 10705, 1070506 (2018) https://doi.org/10.1117/12.2311418

KEYWORDS: Observatories, Telescopes, Failure analysis, Keck Observatory, Reliability, Sensors, Cameras, Domes, Clouds

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Proceedings Article | 10 July 2018 Paper

Integrating project management and systems engineering to transition to remote operations

Sarah Gajadhar, Paul Stomski

Proceedings Volume 10705, 107051B (2018) https://doi.org/10.1117/12.2311421

KEYWORDS: Observatories, Systems engineering, Gemini Observatory, Reliability, Keck Observatory, Telescopes, Systems modeling, Document management, Process engineering, Visual process modeling

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Proceedings Article | 15 August 2016 Paper

A feasibility study for conducting unattended night-time operations at WMKO

Paul Stomski, Sarah Gajadhar, Scott Dahm, Carolyn Jordan, Tom Nordin

Proceedings Volume 9911, 99111F (2016) https://doi.org/10.1117/12.2230831

KEYWORDS: Human-machine interfaces, Safety, Control systems, Observatories, Telescopes, Computing systems, Camera shutters, Imaging systems, Reliability, Sensors

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Proceedings Article | 27 July 2016 Paper

Laser traffic control system upgrades for Maunakea

Paul Stomski, Randy Campbell, Tom Cumming, Russell Kackley, Shui Kwok, Jim Thomas

Proceedings Volume 9909, 99095J (2016) https://doi.org/10.1117/12.2230832

KEYWORDS: Laser guide stars, Laser scattering, Control systems, Telescopes, Astronomy, Space telescopes, Observatories, Boron, Keck Observatory, Astronomical telescopes

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Proceedings Article | 26 July 2016 Paper

Status and new developments with the Keck I near-infrared tip-tilt sensor

Bruno Femenía Castellá, Peter Wizinowich, Rachel Rampy, Sylvain Cetre, Scott Lilley, Jim Lyke, Sam Ragland, Paul Stomski, Marcos van Dam

Proceedings Volume 9909, 990925 (2016) https://doi.org/10.1117/12.2233173

KEYWORDS: Adaptive optics, Stars, Imaging systems, K band, Sensors, Sensors, Adaptive optics, Cameras, Real-time computing, Control systems, Computing systems, Image sensors

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Proceedings Article | 21 July 2014 Paper

Evaluating the compliance of Keck's LGSAO automated aircraft protection system with FAA adopted criteria

Paul Stomski, Randy Campbell, Thomas Murphy

Proceedings Volume 9148, 91483Q (2014) https://doi.org/10.1117/12.2057237

KEYWORDS: Fourier transforms, Transponders, Camera shutters, Antennas, Aircraft protection, Safety, Laser safety, Telescopes, Laser beam propagation, Sensors

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Proceedings Article | 21 July 2014 Paper

A near-infrared tip-tilt sensor for the Keck I laser guide star adaptive optics system

Peter Wizinowich, Roger Smith, Roberto Biasi, Sylvain Cetre, Richard Dekany, Bruno Femenia-Castella, Jason Fucik, David Hale, Chris Neyman, Dietrich Pescoller, Sam Ragland, Paul Stomski, Mario Andrighettoni, Randy Bartos, Khanh Bui, Andrew Cooper, John Cromer, Marcos van Dam, Michael Hess, Ean James, Jim Lyke, Hector Rodriguez, Thomas Stalcup

Proceedings Volume 9148, 91482B (2014) https://doi.org/10.1117/12.2055279

KEYWORDS: Cameras, Sensors, Adaptive optics, Near infrared, Stars, Control systems, Imaging systems, Real-time computing, K band, Computing systems

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Proceedings Article | 13 September 2012 Paper

Recent developments in aircraft protection systems for laser guide star operations

Paul Stomski, Thomas Murphy, Randy Campbell

Proceedings Volume 8447, 84474R (2012) https://doi.org/10.1117/12.926673

KEYWORDS: Safety, Laser safety, Observatories, Aircraft protection, Astronomy, Radar, Camera shutters, Laser systems engineering, Transponders, Laser development

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Proceedings Article | 29 July 2010 Paper

Characterizing site specific considerations for protecting aircraft during LGS operations at W. M. Keck Observatory

Paul Stomski, Randy Campbell, Kevin McCann, Steve Shimko

Proceedings Volume 7736, 773650 (2010) https://doi.org/10.1117/12.857896

KEYWORDS: Keck Observatory, Observatories, Laser guide stars, Adaptive optics, Aircraft protection, Laser marking, Telescopes, Visualization, Astronomy, Laser beam propagation

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Proceedings Article | 28 July 2010 Paper

Keck I laser guide star AO system integration

Jason C. Chin, Thomas Stalcup, Peter Wizinowich, Sergey Panteleev, Chris Neyman, Kevin Tsubota, Douglas Summers, Paul Stomski, Drew Medeiros, Craig Nance, Kenny Grace, Andrew Cooper, Ed Wetherell, Steve Doyle

Proceedings Volume 7736, 77361V (2010) https://doi.org/10.1117/12.857598

KEYWORDS: Telescopes, Adaptive optics, Sodium, Wavefront sensors, Laser guide stars, Laser systems engineering, Cameras, Laser development, Fiber lasers, Space telescopes

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Proceedings Article | 11 July 2008 Paper

Upgrading the Keck AO wavefront controllers

Erik Johansson, Marcos van Dam, Paul Stomski, James Bell, Jason Chin, Roger Sumner, Peter Wizinowich, Roberto Biasi, Mario Andrighettoni, Dietrich Pescoller

Proceedings Volume 7015, 70153E (2008) https://doi.org/10.1117/12.790198

KEYWORDS: Adaptive optics, Stars, Digital signal processing, Wavefronts, Wavefront sensors, Mirrors, Cameras, K band, Sensors, Keck Observatory

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Proceedings Article | 10 July 2008 Paper

Strategy for laser guide star operations without human aircraft spotters

Paul Stomski, Bob Goodrich, Steve Shimko

Proceedings Volume 7015, 70152T (2008) https://doi.org/10.1117/12.790274

KEYWORDS: Safety, Cameras, Observatories, Laser safety, Adaptive optics, Astronomy, Control systems, Infrared cameras, Laser guide stars, Telescopes

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Proceedings Article | 28 June 2006 Paper

Angular anisoplanatism in laser guide star adaptive optics

Marcos van Dam, Richard Sasiela, Antonin Bouchez, David Le Mignant, Randy Campbell, Jason Chin, Scott Hartman, Erik Johansson, Robert Lafon, Paul Stomski, Douglas Summers, Peter Wizinowich

Proceedings Volume 6272, 627231 (2006) https://doi.org/10.1117/12.669737

KEYWORDS: Adaptive optics, Stars, Turbulence, Wavefronts, Laser guide stars, K band, Telescopes, Image quality, Keck Observatory, Error analysis

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Proceedings Article | 27 June 2006 Paper

LGS AO at W.M. Keck Observatory: routine operations and remaining challenges

David Le Mignant, Marcos van Dam, Antonin Bouchez, Jason Chin, Elizabeth Chock, Randall Campbell, Al Conrad, Steve Doyle, Robert Goodrich, Erik Johansson, Shui Kwok, Robert Lafon, James Lyke, Christine Melcher, Ronald Mouser, Douglas Summers, Paul Stomski, Cynthia Wilburn, Peter Wizinowich

Proceedings Volume 6272, 627201 (2006) https://doi.org/10.1117/12.671939

KEYWORDS: Adaptive optics, Stars, Telescopes, Laser guide stars, Sodium, Keck Observatory, Sensors, Laser safety, Calibration, Target acquisition

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Proceedings Article | 27 June 2006 Paper

Adaptive optics developments at Keck Observatory

Peter Wizinowich, Jason Chin, Erik Johansson, Stephan Kellner, Robert Lafon, David Le Mignant, Chris Neyman, Paul Stomski, Doug Summers, Roger Sumner, Marcos van Dam

Proceedings Volume 6272, 627209 (2006) https://doi.org/10.1117/12.672104

KEYWORDS: Adaptive optics, Wavefronts, Cameras, Telescopes, Wavefront sensors, Keck Observatory, Stars, Imaging systems, Mirrors, Control systems

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Proceedings Article | 25 October 2004 Paper

Focus and pointing adjustments necessary for laser guide star adaptive optics at the W.M. Keck Observatory

Douglas Summers, Antonin Bouchez, Jason Chin, Adam Contos, Scott Hartman, Erik Johansson, Robert Lafon, David Le Mignant, Paul Stomski, Marcos van Dam, Peter Wizinowich

Proceedings Volume 5490, (2004) https://doi.org/10.1117/12.553060

KEYWORDS: Sodium, Adaptive optics, Telescopes, Mirrors, Fluorescence correlation spectroscopy, Control systems, Keck Observatory, Cameras, Wavefronts, Projection systems

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Proceedings Article | 25 October 2004 Paper

Keck laser guide star adaptive optics: science verification results

Antonin Bouchez, David Le Mignant, Marcos van Dam, Jason Chin, Scott Hartman, Erik Johansson, Robert Lafon, Paul Stomski, Douglas Summers, Peter Wizinowich

Proceedings Volume 5490, (2004) https://doi.org/10.1117/12.552503

KEYWORDS: Adaptive optics, Stars, Laser guide stars, Telescopes, Sodium, Cameras, Image processing, Wavefronts, Imaging systems, Sensors

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Proceedings Article | 25 October 2004 Paper

Adaptive optics developments at Keck Observatory

Peter Wizinowich, David Le Mignant, Antonin Bouchez, Jason Chin, Adam Contos, Scott Hartman, Erik Johansson, Robert Lafon, Chris Neyman, Paul Stomski, Doug Summers, Marcos van Dam

Proceedings Volume 5490, (2004) https://doi.org/10.1117/12.552489

KEYWORDS: Adaptive optics, Wavefronts, Telescopes, Keck Observatory, Cameras, Image segmentation, Stars, Sodium, Mirrors, Projection systems

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Proceedings Article | 13 February 2003 Paper

Io: the movie

David Le Mignant, Franck Marchis, Shui Hung Kwok, Paola Amico, Randy Campbell, Frederic Chaffee, Albert Conrad, Adam Contos, Robert Goodrich, Grant Hill, David Sprayberry, Paul Stomski, Peter Wizinowich, Imke de Pater

Proceedings Volume 4834, (2003) https://doi.org/10.1117/12.457108

KEYWORDS: Information operations, Java, Adaptive optics, Deconvolution, Stars, Spatial resolution, Telescopes, Keck Observatory, Infrared imaging, Algorithm development

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Proceedings Article | 7 February 2003 Paper

Implementation of a laser traffic control system supporting laser guide star adaptive optics on Mauna Kea

Douglas Summers, Brooke Gregory, Paul Stomski, Allan Brighton, Richard Wainscoat, Peter Wizinowich, Wolfgang Gaessler, Jacques Sebag, Corinne Boyer, Tom Vermeulen, Tony Denault, Doug Simons, Hideki Takami, Christian Veillet

Proceedings Volume 4839, (2003) https://doi.org/10.1117/12.459062

KEYWORDS: Telescopes, Laser guide stars, Space telescopes, Observatories, Gemini Observatory, Sodium, Control systems, Software development, Astronomy, Adaptive optics

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Proceedings Article | 7 February 2003 Paper

Adaptive optics developments at Keck observatory

Peter Wizinowich, David Le Mignant, Paul Stomski, D. Scott Acton, Adam Contos, Christopher Neyman

Proceedings Volume 4839, (2003) https://doi.org/10.1117/12.458964

KEYWORDS: Adaptive optics, Telescopes, Wavefront sensors, Cameras, Mirrors, Interferometers, Stars, Calibration, Control systems, Keck Observatory

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Proceedings Article | 7 February 2003 Paper

Laser guide star adaptive optics at the Keck Observatory

Adam Contos, Peter Wizinowich, Scott Hartman, David Le Mignant, Christopher Neyman, Paul Stomski, Douglas Summers

Proceedings Volume 4839, (2003) https://doi.org/10.1117/12.459500

KEYWORDS: Adaptive optics, Fluorescence correlation spectroscopy, Sodium, Wavefront sensors, Laser guide stars, Stars, Mirrors, Telescopes, Sensors, Control systems

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Proceedings Article | 7 February 2003 Paper

Compensating for differential atmospheric refraction in the W.M. Keck Observatory adaptive optics system

Paul Stomski, David Le Mignant, Peter Wizinowich, Randy Campbell, Robert Goodrich

Proceedings Volume 4839, (2003) https://doi.org/10.1117/12.459690

KEYWORDS: Stars, Sensors, Adaptive optics, Refraction, Wavefront sensors, Telescopes, Atmospheric optics, Atmospheric sciences, Control systems, Keck Observatory

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Proceedings Article | 7 July 2000 Paper

Compensating for pupil rotation in the W.M. Keck Observatory adaptive optics system

Paul Stomski, J. Shelton

Proceedings Volume 4007, (2000) https://doi.org/10.1117/12.390348

KEYWORDS: Actuators, Matrices, Adaptive optics, Wavefront sensors, Telescopes, Deformable mirrors, Control systems, Keck Observatory, Wavefronts, Mirrors

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Proceedings Article | 7 July 2000 Paper

Initial performance of the Keck AO wavefront controller system

Erik Johansson, D. Scott Acton, Jong An, Kenneth Avicola, Barton Beeman, James Brase, Carmen Carrano, John Gathright, Donald Gavel, Randall Hurd, Olivier Lai, William Lupton, Bruce Macintosh, Claire Max, Scot Olivier, J. Shelton, Paul Stomski, Kevin Tsubota, Kenneth Waltjen, James Watson, Peter Wizinowich

Proceedings Volume 4007, (2000) https://doi.org/10.1117/12.390320

KEYWORDS: Wavefronts, Adaptive optics, Deformable mirrors, Control systems, Data modeling, Diagnostics, Mathematical modeling, Mirrors, Keck Observatory, Telescopes

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Proceedings Article | 7 July 2000 Paper

MANO: the modal analysis and noise optimization program for the W.M. Keck Observatory adaptive optics system

Olivier Lai, Paul Stomski, Eric Gendron

Proceedings Volume 4007, (2000) https://doi.org/10.1117/12.390357

KEYWORDS: Actuators, Adaptive optics, Mirrors, Deformable mirrors, Space mirrors, Wavefront sensors, Keck Observatory, Control systems, Stars, Modal analysis

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In the photon starved regime (which is usually the case in the real world), adaptive optics can benefit from advanced or innovative schemes such as modal control. The concept is quite natural, as one looks for the natural modes (eigen-modes, Karhunen-Loeve) that occur in the atmosphere and that the deformable mirror can produce; once these modes are identified, the loop gain that minimizes the residual phase variance is determined. Because the modes form an orthogonal and independent basis, optimizing each mode individually ensures that the global minimum is found, producing the highest Strehl ratio possible. In the case of Keck Adaptive Optics System, there were two fundamental difficulties that made the modal control scheme difficult. The first one is that the pupil is not circular but hexagonal. The second one is that being a the Nasmyth focus, the (non-circular) pupil rotates on the wavefront sensor. Some sub-apertures are gradually illuminated as others get extinguished, and the natural modes of the system evolve as a function of pupil rotation. In this poster, we describe the first step of building a modal control, which is to determine what the appropriate modes are, and whether they need to be computed in real time, to compensate for pupil rotation. We also show two methods that were tried to optimize the loop gain (random walk and modified Newton-Raphson). These methods were used in zonal control, as a proof of concept. On-sky trials with a modal scheme showed us that the real time mode determination was not practical or necessary, and a set of mode that worked well under any geometry was found: the covariance matrices of these modes had a diagonal that was factors of ten higher than non- diagonal elements indicating that the modes that we computed were in fact independent in the atmosphere. However, the optimizing schemes required too many samples to produce adequate statistics to find the minimum residual phase variance. Changes to the real time code to provide statistics in real time will help to produce a reliable and automatic modal control.

Proceedings Article | 7 July 2000 Paper

Performance of the W.M. Keck Observatory Natural Guide Star Adaptive Optic Facility: the first year at the telescope

Peter Wizinowich, D. Scott Acton, Olivier Lai, John Gathright, William Lupton, Paul Stomski

Proceedings Volume 4007, (2000) https://doi.org/10.1117/12.390368

KEYWORDS: Adaptive optics, Telescopes, Stars, Cameras, Wavefront sensors, Mirrors, Human-machine interfaces, Deformable mirrors, Calibration, Galactic astronomy

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Proceedings Article | 11 September 1998 Paper

Laboratory calibration of the W.M. Keck Observatory Adaptive Optics Facility

D. S. Acton, P. Wizinowich, P. Stomski, J. Shelton, O. Lai

Proceedings Volume 3353, (1998) https://doi.org/10.1117/12.321745

KEYWORDS: Adaptive optics, Telescopes, Calibration, Device simulation, Wavefront sensors, Turbulence, Light sources, Interferometers, Stars, Image sensors

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Proceedings Article | 11 September 1998 Paper

Status of the W.M. Keck Adaptive Optics Facility

Peter Wizinowich, D. Scott Acton, Tom Gregory, Paul Stomski, Jong An, Kenneth Avicola, James Brase, Herbert Friedman, Donald Gavel, Claire Max

Proceedings Volume 3353, (1998) https://doi.org/10.1117/12.321714

KEYWORDS: Telescopes, Mirrors, Adaptive optics, Wavefronts, Control systems, Cameras, Sensors, Stars, Deformable mirrors, Human-machine interfaces

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Proceedings Article | 26 May 1998 Paper

Servo control of the movable stages using PMAC controllers for the W.M. Keck Telescope adaptive optics system

Kevin Ho, Paul Stomski, Mark Sirota, Kevin Tsubota

Proceedings Volume 3351, (1998) https://doi.org/10.1117/12.308803

KEYWORDS: Servomechanisms, Computer programming, Telescopes, Control systems, Adaptive optics, Clocks, Interfaces, Optical benches, Mirrors, Device simulation

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Showing 5 of 30 publications

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