Dr. Abbie T. Watnik Profile

Dr. Abbie T. Watnik

at US Naval Research Lab

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 10 June 2024 Presentation

SWIR multispectral lidar for mixed pixel discrimination

Abbie Watnik

Proceedings Volume PC13041, PC1304109 (2024) https://doi.org/10.1117/12.3014126

KEYWORDS: Short wave infrared radiation, LIDAR, Point clouds, Target recognition, Detection and tracking algorithms, Design and modelling, Classification systems

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Proceedings Article | 8 March 2024 Presentation + Paper

Measuring transmission at the Christiansen wavelength for dynamic sand samples

Cobey McGinnis, Jesse Frantz, Jason Myers, Anthony Clabeau, Austin Moore, Kenneth Ewing, Matthew Hart, Abbie Watnik, Jasbinder Sanghera

Proceedings Volume 12882, 1288203 (2024) https://doi.org/10.1117/12.3001651

KEYWORDS: Sand, FT-IR spectroscopy, Particles, Optical transmission, Light scattering

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Proceedings Article | 12 June 2023 Presentation + Paper

Scattering of light with orbital angular momentum from single particles

Matthew Hart, Vasanthi Sivaprakasam, Ryan Lindle, Shawn Divitt, Abbie Watnik

Proceedings Volume 12543, 1254305 (2023) https://doi.org/10.1117/12.2664089

KEYWORDS: Particles, Light scattering, Laser scattering, Cameras, Mie scattering, Beam diameter, Plane waves, Gaussian beams, CCD cameras, Light sources and illumination

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Proceedings Article | 14 March 2023 Presentation + Paper

Method of determination of the optical constants of particulate samples

Jesse Frantz, James Selby, Matthew Hart, Abbie Watnik, Jasbinder Sanghera

Proceedings Volume 12417, 124170E (2023) https://doi.org/10.1117/12.2650559

KEYWORDS: Sand, Composites, Optical constants, Spectroscopic ellipsometry

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Proceedings Article | 30 May 2022 Presentation

Numerical representation of Rayleigh-Bénard convection for the study of optical propagation through turbulence

Silvia Matt, K. Peter Judd, Svetlana Avramov-Zamurovic, Abbie Watnik, Robert Handler

Proceedings Volume 12118, 121180B (2022) https://doi.org/10.1117/12.2622109

KEYWORDS: Turbulence, Geometrical optics, Convection, Numerical simulations, Telecommunications, Active optics, Temperature metrology, Spectral models, Optical turbulence, Optical communications

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Proceedings Article | 12 September 2021 Presentation + Paper

Propagation of laser beams carrying orbital angular momentum through simulated optical turbulence in Rayleigh-Bénard convection

K. P. Judd, S. Avramov-Zamurovic, S. Matt, R. Handler, A. Watnik, J. Lindle, J. Esposito, W. Jarrett

Proceedings Volume 11860, 1186009 (2021) https://doi.org/10.1117/12.2600065

KEYWORDS: Refraction, Turbulence, Convection, Beam propagation method, Optical turbulence, Laser beam propagation, Optical simulations, Atmospheric propagation, Computer simulations

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Proceedings Article | 1 August 2021 Presentation + Paper

Phase optimization for tiled spatial light modulators

Paul Lebow, James Lindle, Abbie Watnik

Proceedings Volume 11818, 118180G (2021) https://doi.org/10.1117/12.2593957

KEYWORDS: Spatial light modulators, Liquid crystals, Diffraction, Phase measurement, Holography, Phase conjugation, Imaging systems, Fringe analysis, Beam splitters, Wavefronts, Optical tracking

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Proceedings Article | 20 April 2021 Presentation + Paper

Imaging through deconvolution with a spatially variant point spread function

Kyle Novak, Abbie Watnik

Proceedings Volume 11731, 1173105 (2021) https://doi.org/10.1117/12.2585632

KEYWORDS: Point spread functions, Deconvolution, Wave plates, Imaging systems, Image deconvolution, Data processing, Cameras

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Proceedings Article | 10 November 2020 Open Access

Imaging through extreme degraded visual environments using range-gated digital holography

Abbie Watnik

Proceedings Volume 11525, 115250L (2020) https://doi.org/10.1117/12.2583744

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Proceedings Article | 21 May 2020 Presentation + Paper

Optical communication in maritime environments using orbital angular momentum

K. Peter Judd, Patrick Mahan, Nicholas Makrakis, J. Lindle, Abbie Watnik, Wade Freeman, Bob Sagusti, Patrick Neary, Charles Payne, Carlos Font

Proceedings Volume 11420, 114200E (2020) https://doi.org/10.1117/12.2560262

KEYWORDS: Optical communications, Lithium

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Proceedings Article | 24 April 2020 Presentation + Paper

Multi-spectral SWIR Lidar for imaging and spectral discrimination through partial obscurations

Vasanthi Sivaprakasam, Michael Yetzbacher, Heath Gemar, Abbie Watnik

Proceedings Volume 11392, 113920D (2020) https://doi.org/10.1117/12.2556180

KEYWORDS: LIDAR, Reflectivity, Short wave infrared radiation, Signal detection, Sensors, Target detection, Calibration, Imaging systems

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Proceedings Article | 21 April 2020 Presentation + Paper

Compact vortex wavefront coding camera

Kyle Novak, Abbie Watnik

Proceedings Volume 11396, 113960O (2020) https://doi.org/10.1117/12.2559479

KEYWORDS: Wave plates, Point spread functions, Cameras, Imaging systems, Image restoration, Deconvolution, Wavefronts, Image processing, Device simulation, Image compression

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Proceedings Article | 13 May 2019 Presentation

Imaging reconstruction with engineered point spread functions (Conference Presentation)

Grover Swartzlander, Jacob Wirth, Abbie Watnik, Kyle Novak

Proceedings Volume 10990, 109900P (2019) https://doi.org/10.1117/12.2521317

KEYWORDS: Point spread functions, Phase shift keying, Systems engineering, Imaging systems, Distortion, Deconvolution, Image restoration, Axicons, Sensors, Integration

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SPIE Journal Paper | 21 December 2018

High-speed digital phase conjugator pointer-tracker for long path beam control

Paul S. Lebow, Robert Sagusti, James R. Lindle, Jason Edelberg, Abbie T. Watnik

OE, Vol. 57, Issue 12, 126107, (December 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.12.126107

KEYWORDS: Spatial light modulators, Digital holography, Beam splitters, Phase conjugation, Sensors, Spatial frequencies, Holograms, Beam controllers, Wavefronts, Holography

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Proceedings Article | 18 September 2018 Presentation

Comparing woofer-tweeter control methods through deep turbulence: A simulation (Conference Presentation)

Abbie Tippie Watnik, Dennis Gardner, Mark Spencer

Proceedings Volume 10770, 107700S (2018) https://doi.org/10.1117/12.2322381

KEYWORDS: Turbulence, Adaptive optics, Control systems, Wavefronts, Wavefront distortions, Phase shifts, Deformable mirrors, Atmospheric propagation, Receivers, Digital holography

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Proceedings Article | 12 June 2018 Presentation + Paper

Computational imaging for reducing peak irradiance on focal planes

Jacob Wirth, Abbie Watnik, Grover Swartzlander

Proceedings Volume 10669, 106690U (2018) https://doi.org/10.1117/12.2304702

KEYWORDS: Point spread functions, Imaging systems, Modulation transfer functions, Spatial light modulators, Optical transfer functions, Computational imaging, Diffraction, Deconvolution, Optical filters, Signal to noise ratio

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SPIE Journal Paper | 27 February 2018 Open Access

Large angle nonmechanical laser beam steering at 4.6 μm using a digital micromirror device

James Lindle, Abbie Watnik

OE, Vol. 57, Issue 02, 027108, (February 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.2.027108

KEYWORDS: Digital Light Processing, Binary data, Mirrors, Beam steering, Spatial light modulators, Mid-IR, Reflectivity, Digital micromirror devices, Diffraction, Cameras

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Proceedings Article | 6 October 2017 Paper

Pulsed holographic system for imaging through spatially extended scattering media

A. Kanaev, K. P. Judd, P. Lebow, A. T. Watnik, K. Novak, J. Lindle

Proceedings Volume 10433, 104330M (2017) https://doi.org/10.1117/12.2277967

KEYWORDS: Imaging systems, Holography, Photons, Scattering media, Sensors, Scattering, Holograms, Infrared imaging, Light scattering, Medical research

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SPIE Journal Paper | 7 December 2016 Open Access

Incoherent imaging in the presence of unwanted laser radiation: vortex and axicon wavefront coding

Abbie T. Watnik, Garreth J. Ruane, Grover Swartzlander

OE, Vol. 55, Issue 12, 123102, (December 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.12.123102

KEYWORDS: Axicons, Point spread functions, Modulation transfer functions, Sensors, Wavefronts, Laser sources, Image restoration, Image sensors, Spatial frequencies, Imaging systems

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SPIE Journal Paper | 20 September 2016

Wavelength agile nonmechanical laser beam steering from Fresnel zone plates imprinted on a liquid crystal spatial light modulator

James Lindle, Abbie Watnik, Vincent Cassella

OE, Vol. 55, Issue 09, 097103, (September 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.9.097103

KEYWORDS: Spatial light modulators, Composites, Liquid crystals, Zone plates, Reflectivity, Beam splitters, Calibration, Phase shift keying, Visible radiation, Beam steering

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Proceedings Article | 28 September 2013 Paper

Dynamic holography for extended object beam shaping

Abbie Watnik, Paul Lebow

Proceedings Volume 8843, 88430E (2013) https://doi.org/10.1117/12.2023395

KEYWORDS: Holography, Holograms, Beam shaping, Digital holography, Charge-coupled devices, Sensors, Fourier transforms, 3D image reconstruction, Spatial light modulators, Binary data

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Proceedings Article | 21 September 2011 Paper

Gigapixel synthetic-aperture digital holography

James Fienup, Abbie Tippie

Proceedings Volume 8122, 812203 (2011) https://doi.org/10.1117/12.894903

KEYWORDS: Digital holography, 3D image reconstruction, Holography, Holograms, Image restoration, Sensors, Reconstruction algorithms, Synthetic apertures, Data corrections, Digital imaging

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Proceedings Article | 26 August 2008 Paper

Phase error correction for multiple planes using sharpness metrics

Abbie Tippie, James Fienup

Proceedings Volume 7094, 709404 (2008) https://doi.org/10.1117/12.795193

KEYWORDS: Turbulence, Digital holography, Atmospheric propagation, Fourier transforms, Digital imaging, Speckle, Reconstruction algorithms, Holograms, Image quality, Atmospheric optics

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