Dr. Natalie Clark Profile

Dr. Natalie Clark

Senior Optical Engineer at NASA Langley Research Ctr

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 15 October 2013 Paper

Optical characterization of window materials for aerospace applications

Ken Tedjojuwono, Natalie Clark, William Humphreys

Proceedings Volume 8884, 88841I (2013) https://doi.org/10.1117/12.2029469

KEYWORDS: Polymers, Transmittance, Wavefronts, Glasses, Air contamination, Aerospace engineering, Optical testing, Birefringence, Silica

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Proceedings Article | 15 September 2011 Open Access

Polarization compensation of Fresnel aberrations in telescopes

Natalie Clark, James Breckinridge

Proceedings Volume 8146, 81460O (2011) https://doi.org/10.1117/12.896638

KEYWORDS: Dielectric polarization, Polarization, Mirrors, Telescopes, Space telescopes, Birefringence, Coronagraphy, Dielectrics, Exoplanets, Imaging systems

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Proceedings Article | 14 April 2011 Open Access

Design and performance evaluation of sensors and actuators for advanced optical systems

Natalie Clark

Proceedings Volume 7980, 798004 (2011) https://doi.org/10.1117/12.881924

KEYWORDS: Phase shifts, Liquid crystal on silicon, Coronagraphy, Liquid crystals, Polarization, Stars, Molecules, Sensors, Active optics, Anisotropy

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Proceedings Article | 26 September 2007 Paper

Advanced optical technologies for space exploration

Natalie Clark

Proceedings Volume 6713, 67130G (2007) https://doi.org/10.1117/12.736659

KEYWORDS: Stars, Sensors, Silicon carbide, Tunable filters, Liquid crystals, Deformable mirrors, Active optics, Active sensors, Microelectromechanical systems, Fabry–Perot interferometers

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Proceedings Article | 26 September 2007 Paper

Tunable optical filters for space exploration

Charles Crandall, Natalie Clark, Patti Davis

Proceedings Volume 6713, 67130I (2007) https://doi.org/10.1117/12.740905

KEYWORDS: Optical filters, Liquid crystals, Fabry–Perot interferometers, Tunable filters, Polarization, Chemical elements, Stars, Polarizers, Wave plates, Microelectromechanical systems

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Proceedings Article | 10 September 2002 Paper

Intelligent vision systems

Natalie Clark, Upendra Singh

Proceedings Volume 4928, (2002) https://doi.org/10.1117/12.483175

KEYWORDS: Satellites, Microelectromechanical systems, Micromirrors, Stars, Imaging systems, Fabry–Perot interferometers, Adaptive optics, Intelligence systems, Mirrors, Sensors

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Proceedings Article | 21 November 2001 Paper

Intelligent star tracker

Natalie Clark

Proceedings Volume 4592, (2001) https://doi.org/10.1117/12.448968

KEYWORDS: Stars, Silicon carbide, Adaptive optics, Mirrors, Micromirrors, Sensors, Star sensors, Space operations, Intelligence systems, Telescopes

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Proceedings Article | 8 October 1999 Paper

Design and performance evaluation of a silicon eye using micromirrors

Natalie Clark, Paul Furth

Proceedings Volume 3893, (1999) https://doi.org/10.1117/12.368437

KEYWORDS: Adaptive optics, Micromirrors, Mirrors, Wavefronts, Silicon, Wavefront sensors, Systems modeling, Visual process modeling, Analog electronics, Microelectromechanical systems

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Proceedings Article | 22 March 1999 Paper

Intelligent vision systems using dynamic neural networks

Natalie Clark, Paul Furth

Proceedings Volume 3728, (1999) https://doi.org/10.1117/12.343031

KEYWORDS: Wavefront sensors, Neural networks, Wavefronts, Neurons, Smoothing, Intelligence systems, Silicon, Adaptive optics, Eye, Micromirrors

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Proceedings Article | 11 September 1998 Paper

Design and simulation of advanced surface micromachined micromirror devices for telescope adaptive optics applictions

M. Adrian Michalicek, Natalie Clark, John Comtois, Heather Schriner

Proceedings Volume 3353, (1998) https://doi.org/10.1117/12.321697

KEYWORDS: Micromirrors, Mirrors, Electrodes, Adaptive optics, Surface finishing, Reflectivity, Monochromatic aberrations, Chemical elements, Instrument modeling, Microelectromechanical systems

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Proceedings Article | 11 September 1998 Paper

Silicon adaptive optic systems using micromirrors

Natalie Clark, Paul Furth, Gregory Whitfield, John Comtois, Stuart McKecknie, M. Adrian Michalicek

Proceedings Volume 3353, (1998) https://doi.org/10.1117/12.321665

KEYWORDS: Wavefront sensors, Wavefronts, Adaptive optics, Micromirrors, Mirrors, Analog electronics, Imaging systems, Sensors, Silicon, Atmospheric optics

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Proceedings Article | 14 June 1996 Paper

Optical information processing system for aiding the diagnosis of pulmonary embolism

Natalie Clark, Narasimha Prasad, Michele Banish, Frederick Datz, Paul Christian

Proceedings Volume 2749, (1996) https://doi.org/10.1117/12.243105

KEYWORDS: Diffraction gratings, Diagnostics, Optical signal processing, Image processing, Visualization, Multiplexing, Lung, Polarizers, Binary data, Nuclear medicine

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Proceedings Article | 23 August 1995 Paper

Novel adaptive optics (technique) without a guide star

Ben Platt, Natalie Clark

Proceedings Volume 2566, (1995) https://doi.org/10.1117/12.217363

KEYWORDS: Diffraction gratings, Wavefront sensors, Fourier transforms, Optical correlators, Optical filters, Adaptive optics, Wavefronts, Image processing, Sensors, CCD cameras

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Proceedings Article | 23 August 1995 Paper

Liquid crystal television (LCTV) as an angle-tuning means for phase matching in three-wave mixing devices

Narasimha Prasad, Natalie Clark

Proceedings Volume 2566, (1995) https://doi.org/10.1117/12.217383

KEYWORDS: Binary data, Optical parametric oscillators, Crystals, Liquid crystals, Spherical lenses, Polarization, Point spread functions, Wavelength tuning, Mirrors, Phase matching

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Proceedings Article | 23 August 1995 Paper

Dynamic wavefront sensor system using spatial light modulators

Natalie Clark, Nadipuram Prasad

Proceedings Volume 2566, (1995) https://doi.org/10.1117/12.217385

KEYWORDS: Wavefront sensors, Sensors, Spherical lenses, Wavefronts, Polarization, Spatial light modulators, Liquid crystals, Binary data, Polarizers, Lenses

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Proceedings Article | 30 March 1995 Paper

Design and performance of a joint transform correlator (JTC) system for measuring blood flow and tissue motion

Natalie Clark, Michael Giles

Proceedings Volume 2390, (1995) https://doi.org/10.1117/12.206003

KEYWORDS: Diffraction gratings, Blood circulation, Tissues, Ultrasonography, Speckle, Linear filtering, Transducers, Motion measurement, Optical correlators, Optical filters

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Proceedings Article | 9 June 1994 Paper

New approach for a correlation tracker for imaging application

Sergio Restaino, Natalie Clark, Richard Radick

Proceedings Volume 2200, (1994) https://doi.org/10.1117/12.177282

KEYWORDS: Optical correlators, Spatial light modulators, Optical tracking, Optical filters, Image filtering, Analog electronics, Fourier transforms, Computing systems, Sensors, Physics

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Proceedings Article | 24 June 1993 Paper

Tracking blood flow and tissue motion using optical correlation

Natalie Clark, Michael Giles, Sarah Harrison, Chris Hofer

Proceedings Volume 1895, (1993) https://doi.org/10.1117/12.146719

KEYWORDS: Tissue optics, Blood circulation, Speckle, Motion measurement, Ultrasonics, Optical filters, Far-field diffraction, Joint transforms, Optical correlators, Diagnostics

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Proceedings Article | 12 January 1993 Paper

Tracking speckle patterns with optical correlation

Natalie Clark, Michael Giles, Sarah Harrison, Chris Hofer

Proceedings Volume 1772, (1993) https://doi.org/10.1117/12.140898

KEYWORDS: Speckle, Speckle pattern, Transducers, Optical tracking, Optical correlators, Ultrasonics, Tissue optics, Joint transforms, Motion measurement, Phased arrays

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Proceedings Article | 24 August 1992 Paper

Using liquid-crystal devices as input and filter SLMs

Natalie Clark, Kirk Powell, Michael Giles

Proceedings Volume 1704, (1992) https://doi.org/10.1117/12.139896

KEYWORDS: Optical correlators, Video, Spatial light modulators, Projection systems, Liquid crystals, Polarization, Optical filters, LCDs, Phase only filters, Binary data

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Proceedings Article | 1 November 1991 Paper

Performance limitations of miniature optical correlators

Charles Crandall, Michael Giles, Natalie Clark

Proceedings Volume 1564, (1991) https://doi.org/10.1117/12.49700

KEYWORDS: Optical correlators, Spatial light modulators, Lenses, Tolerancing, Imaging systems, Optical signal processing, Optical filters, Lithium, Transparency, Diffraction

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Proceedings Article | 1 November 1991 Paper

Using liquid-crystal TVs in Vander Lugt optical correlators

Natalie Clark, Charles Crandall, Michael Giles

Proceedings Volume 1564, (1991) https://doi.org/10.1117/12.49731

KEYWORDS: Spatial light modulators, Optical correlators, Liquid crystals, Phase only filters, Binary data, Optical signal processing, Optical filters, Fourier transforms, Televisions, Polarization

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