Mr. Keith A. Bush Profile

Keith A. Bush

Consulting Scientist at Schafer Corp

SPIE Involvement:

Author

Proceedings Article | 26 August 2009 Paper

Multi-spectral image analysis for improved space object characterization

William Glass, Michael Duggin, Raymond Motes, Keith Bush, Meiling Klein

Proceedings Volume 7467, 74670K (2009) https://doi.org/10.1117/12.827421

KEYWORDS: Sensors, Satellites, Spatial resolution, Atmospheric optics, Signal detection, Optical sensors, Atmospheric sensing, Space sensors, Clouds, Image sensors

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Proceedings Article | 23 January 2006 Paper

MEMS deformable mirror embedded wavefront sensing and control system

Donald Owens, Michael Schoen, Keith Bush

Proceedings Volume 6113, 61130V (2006) https://doi.org/10.1117/12.658037

KEYWORDS: Mirrors, Control systems, Actuators, Wavefronts, Microelectromechanical systems, Monochromatic aberrations, Deformable mirrors, Silicon, Imaging systems, Wavefront sensors

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Proceedings Article | 18 August 2005 Paper

Electrostatic membrane deformable mirror characterization and applications

Keith Bush, Anthony Marrs, Michael Schoen

Proceedings Volume 5894, 58940E (2005) https://doi.org/10.1117/12.621113

KEYWORDS: Mirrors, Actuators, Control systems, Wavefronts, Deformable mirrors, Electronics, Silicon, Imaging systems, Beam splitters, Adaptive optics

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Proceedings Article | 12 October 2004 Paper

Electrostatic membrane deformable mirror wavefront control systems: design and analysis

Keith Bush, Dee German, Beverly Klemme, Anthony Marrs, Michael Schoen

Proceedings Volume 5553, (2004) https://doi.org/10.1117/12.560521

KEYWORDS: Mirrors, Actuators, Microelectromechanical systems, Wavefronts, Control systems, Iterated function systems, Silicon, Deformable mirrors, Control systems design, Micromachining

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Proceedings Article | 9 December 2002 Paper

Comparison of radiometric scaling laws and detailed wave-optics simulations for designing ground-based laser satellite illumination and receiver systems

Keith Bush

Proceedings Volume 4821, (2002) https://doi.org/10.1117/12.453525

KEYWORDS: Satellites, Stereolithography, Receivers, Signal to noise ratio, Transmitters, Optical simulations, Sensors, Atmospheric propagation, Atmospheric turbulence, Atmospheric optics

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Proceedings Article | 9 January 2002 Paper

Satellite discrimination from active and passive polarization signatures: simulation predictions using the TASAT satellite model

Keith Bush, Gregg Crockett, Calvin Barnard

Proceedings Volume 4481, (2002) https://doi.org/10.1117/12.452906

KEYWORDS: Satellites, Polarization, Mueller matrices, Infrared signatures, Electro optical modeling, Scattering, Light scattering, 3D modeling, Visible radiation, Satellite imaging

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Proceedings Article | 31 October 2000 Paper

Wavelength-dependent radiometric modeling for an active geosynchronous satellite imaging system

Keith Bush, Calvin Barnard

Proceedings Volume 4091, (2000) https://doi.org/10.1117/12.405792

KEYWORDS: Transmitters, Fourier transforms, Imaging systems, Satellites, Atmospheric propagation, Satellite imaging, Spatial frequencies, Solar cells, Optical simulations, Phase measurement

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Proceedings Article | 7 December 1998 Paper

Simulating speckle polarization backscatter signatures from actively illuminated satellites

Keith Bush

Proceedings Volume 3494, (1998) https://doi.org/10.1117/12.332421

KEYWORDS: Polarization, Speckle, Backscatter, Mueller matrices, Satellites, Atmospheric modeling, Atmospheric propagation, Polarimetry, 3D modeling, Electro optical modeling

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Proceedings Article | 3 October 1997 Paper

Polarization rendering for modeling of coherent polarized speckle backscatter using TASAT

Keith Bush, Gregg Crockett, Calvin Barnard, David Voelz, James Riker

Proceedings Volume 3121, (1997) https://doi.org/10.1117/12.283854

KEYWORDS: Polarization, Speckle, Satellites, Electro optical modeling, Backscatter, Polarimetry, Receivers, Optical spheres, Bidirectional reflectance transmission function, Atmospheric modeling

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Proceedings Article | 14 October 1996 Paper

Simulations of atmospheric anisoplanatism effects on laser-sheared beam imaging

Keith Bush, Calvin Barnard, David Voelz

Proceedings Volume 2828, (1996) https://doi.org/10.1117/12.254184

KEYWORDS: Atmospheric propagation, Phase measurement, Wavefronts, Atmospheric optics, Optical simulations, Satellites, Backscatter, Satellite imaging, Beam propagation method, Wave propagation

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Proceedings Article | 21 December 1994 Paper

Statistical and radiometric measurements of coherently illuminated, nonaugmented, low-earth-orbit satellites

Douglas Rider, David Voelz, David Stone, Kathy Schulze, David Dean, Keith Bush

Proceedings Volume 2312, (1994) https://doi.org/10.1117/12.197375

KEYWORDS: Satellites, Stars, Speckle pattern, Cameras, Pulsed laser operation, Speckle, Visualization, Polarization, Molybdenum, Sensors

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Proceedings Article | 9 November 1993 Paper

Phase-difference variance measurements of a coherent amplitude interferometer at low light levels

Douglas Rider, David Voelz, Keith Bush, Eric Magee

Proceedings Volume 2029, (1993) https://doi.org/10.1117/12.161992

KEYWORDS: Heterodyning, Sensors, Signal detection, Phase measurement, Visibility, Photons, Image restoration, Imaging arrays, Interferometers, Wavefronts

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Proceedings Article | 1 August 1991 Paper

Illumination coherence effects in laser-speckle imaging

David Voelz, Paul Idell, Keith Bush

Proceedings Volume 1416, (1991) https://doi.org/10.1117/12.43732

KEYWORDS: Computer simulations, Speckle, Coherence (optics), Image restoration, Coherence imaging, LIDAR, Imaging systems, Optical simulations, Light, Argon ion lasers

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Showing 5 of 13 publications

Conference Committee Involvement (9)

Advanced Wavefront Control: Methods, Devices, and Applications VII

6 August 2009 | San Diego, California, United States

Advanced Wavefront Control: Methods, Devices, and Applications VI

14 August 2008 | San Diego, California, United States

Advanced Wavefront Control: Methods, Devices, and Applications V

29 August 2007 | San Diego, California, United States

Unconventional Imaging III

26 August 2007 | San Diego, California, United States

Advanced Wavefront Control: Methods, Devices, and Applications IV

14 August 2006 | San Diego, California, United States

Showing 5 of 9 Conference Committees

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