Dr. Richard A. Carreras Profile

Dr. Richard A. Carreras

Senior Researcher at Air Force Research Lab

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 18 May 2017 Open Access

Open Access

Paper

Uncertainty quantification (UQ) techniques to improve predictions of laser beam control performance

Richard Carreras

Proceedings Volume 10194, 1019402 (2017) https://doi.org/10.1117/12.2263785

KEYWORDS: Laser development, Optimization (mathematics), Modeling and simulation, Beam controllers, Analytical research, Systems modeling, Control systems, Calibration, Performance modeling, Physical phenomena

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Proceedings Article | 22 May 2015 Paper

Paper

Selective disturbance rejection algorithms for mitigating non-common path errors within beam control systems

Edwin Ahn, Richard Carreras, J. Steve Gibson

Proceedings Volume 9467, 94671Z (2015) https://doi.org/10.1117/12.2177504

KEYWORDS: Linear filtering, Sensors, Error analysis, Optical filters, Control systems, Calibration, Optical testing, Filtering (signal processing), Optical sensors, Signal processing

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Proceedings Article | 29 August 2006 Paper

Paper

Proposed adaptive optics control loop for a continuous face sheet, MEMS-based deformable membrane mirror

R. Carreras, D. Marker

Proceedings Volume 6306, 630607 (2006) https://doi.org/10.1117/12.681625

KEYWORDS: Adaptive optics, Analytical research, Actuators, Microelectromechanical systems, Data modeling, Lead, Control systems, Deformable mirrors, Feedback control, Mirrors

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Proceedings Article | 23 August 2005 Paper

Paper

Control model for a continuous face sheet, MEMS based deformable membrane mirror

R. Carreras, D. Marker, J. Wilkes

Proceedings Volume 5894, 58940W (2005) https://doi.org/10.1117/12.621250

KEYWORDS: Actuators, Microelectromechanical systems, Mirrors, Adaptive optics, Deformable mirrors, Reflectivity, Analytical research, Systems modeling, Directed energy weapons, Laser applications

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Proceedings Article | 27 December 2001 Paper

Paper

HI-CLASS on AEOS: a large-aperture laser radar for space surveillance/situational awareness investigations

Mark Kovacs, Gordon Dryden, Richard Pohle, Kirstie Ayers, Richard Carreras, Linda Crawford, Russell Taft

Proceedings Volume 4490, (2001) https://doi.org/10.1117/12.455438

KEYWORDS: LIDAR, Satellites, Imaging systems, Surveillance, Sensors, Mirrors, Receivers, Transmitters, Situational awareness sensors, Radar

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Proceedings Article | 31 October 2000 Paper

Paper

Progress toward large-aperture membrane mirrors

James Rotge, Shiv Dass, Dan Marker, Richard Carreras, Brian Lutz, Dennis Duneman

Proceedings Volume 4091, (2000) https://doi.org/10.1117/12.405801

KEYWORDS: Mirrors, Space telescopes, Telescopes, Reflectivity, Monochromatic aberrations, Holography, Wavefronts, Adaptive optics, Actuators, Imaging systems

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Proceedings Article | 3 November 1999 Paper

Paper

Minimum strain requirements for optical membranes

Dan Marker, James Rotge, Richard Carreras, Dennis Duneman, James Wilkes

Proceedings Volume 3760, (1999) https://doi.org/10.1117/12.367591

KEYWORDS: Adaptive optics, Optics manufacturing, Wavefronts, Reflection, Reflectivity, Mirrors, Spatial light modulators, Interferometry, Analytical research, Optical components

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Proceedings Article | 3 November 1999 Paper

Paper

Deployable near-net-shaped membrane optics

Richard Carreras, Dan Marker, James Rotge, James Wilkes, Dennis Duneman

Proceedings Volume 3760, (1999) https://doi.org/10.1117/12.367597

KEYWORDS: Mirrors, Optical coatings, Optics manufacturing, Reflectivity, Space telescopes, Optical telescopes, Manufacturing, Analytical research, Antennas, Radio optics

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Proceedings Article | 3 November 1999 Paper

Paper

Large optically flat membrane mirrors

James Rotge, Dan Marker, Richard Carreras, James Wilkes, Dennis Duneman

Proceedings Volume 3760, (1999) https://doi.org/10.1117/12.367592

KEYWORDS: Mirrors, Interferometers, Adaptive optics, Optical components, Aluminum, Wavefronts, Optics manufacturing, Spherical lenses, Reflectivity, Polishing

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Proceedings Article | 3 November 1999 Paper

Paper

Concave membrane mirrors from aspheric to near-parabolic

James Wilkes, Christopher Jenkins, Dan Marker, Richard Carreras, Dennis Duneman, James Rotge

Proceedings Volume 3760, (1999) https://doi.org/10.1117/12.367593

KEYWORDS: Mirrors, Monochromatic aberrations, Spherical lenses, Optical spheres, Optics manufacturing, Wavefronts, Finite element methods, Sensors, Wavefront sensors, Aspheric lenses

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Proceedings Article | 3 November 1999 Paper

Paper

Summary: optical membrane workshop

Dan Marker, James Rotge, Richard Carreras

Proceedings Volume 3760, (1999) https://doi.org/10.1117/12.367599

KEYWORDS: Optics manufacturing, Optical components, Mechanical engineering, Directed energy weapons, Holography, Communication engineering, Electro-optical engineering, Spatial frequencies, Optical engineering, Analytical research

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Proceedings Article | 8 December 1998 Paper

Paper

Optical evaluation of membrane mirrors with curvature

Dan Marker, Richard Carreras, James Wilkes, C. Jenkins, Dennis Duneman, James Rotge, Charles Hogge

Proceedings Volume 3430, (1998) https://doi.org/10.1117/12.332489

KEYWORDS: Mirrors, Monochromatic aberrations, Optical spheres, Sensors, Thin films, Wavefront sensors, Data modeling, Spherical lenses, Analytical research, Optical telescopes

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Proceedings Article | 20 October 1998 Paper

Paper

Tunable membrane mirrors used with real-time holography

Richard Carreras, Dan Marker, James Wilkes

Proceedings Volume 3432, (1998) https://doi.org/10.1117/12.327977

KEYWORDS: Mirrors, Optically addressed spatial light modulators, Holography, Sensors, Spherical lenses, Analytical research, Optical spheres, Monochromatic aberrations, Optical components, Optical aberrations

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Proceedings Article | 22 March 1996 Paper

Paper

Intelligent sensors research using pulse-coupled neural networks for focal plane image processing

Gregory Tarr, Richard Carreras, Christopher DeHainaut, Xavier Clastres, Laurent Freyss, Manuel Samuelides

Proceedings Volume 2760, (1996) https://doi.org/10.1117/12.235942

KEYWORDS: Image processing, Neurons, Image segmentation, Signal processing, Systems modeling, Neural networks, Sensors, Image analysis, Visual process modeling, Computer programming

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Proceedings Article | 5 March 1996 Paper

Paper

Real-time aberration correction using phase diversity on the IBM SP2 parallel computer

Meledath Damodaran, Shane Bumpers, Richard Carreras, Gregory Tarr, Sergio Restaino

Proceedings Volume 2661, (1996) https://doi.org/10.1117/12.628710

KEYWORDS: Aberration correction

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Proceedings Article | 17 November 1995 Paper

Paper

Temporal encoding of multispectral satellite imagery for segmentation using pulsed coupled neural networks

Gregory Tarr, Richard Carreras, Janet Fender, Xavier Clastres, Laurent Freyss, Manuel Samuelides

Proceedings Volume 2579, (1995) https://doi.org/10.1117/12.226852

KEYWORDS: Image segmentation, Neurons, Image processing, Neural networks, Systems modeling, Image analysis, Image fusion, Visual process modeling, Computer programming, Satellite imaging

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Proceedings Article | 30 December 1994 Paper

Paper

Concurrent computation of Zernike coefficients used in a phase diversity algorithm for optical aberration correction

Richard Carreras, Gregory Tarr, Sergio Restaino, Gary Loos, Meledath Damodaran

Proceedings Volume 2315, (1994) https://doi.org/10.1117/12.196735

KEYWORDS: Image processing, Neural networks, Optical transfer functions, Error analysis, Wavefront sensors, Optimization (mathematics), Monochromatic aberrations, Zernike polynomials, Optical aberrations, Optical calibration

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Proceedings Article | 30 September 1994 Paper

Paper

Phase diversity as an on-line wavefront sensor: experimental results

Elinor Gates, Sergio Restaino, Richard Carreras, Raymond Dymale, Gary Loos

Proceedings Volume 2302, (1994) https://doi.org/10.1117/12.188051

KEYWORDS: Wavefront sensors, Computer simulations, Finite difference methods, Image restoration, Adaptive optics, Liquid crystals, Differential equations, Reconstruction algorithms, Interferometers, Stars

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Proceedings Article | 30 September 1994 Paper

Paper

Laboratory experiment using phase diversity to extract higher order Zernike coefficients

Richard Carreras, Sergio Restaino, Dennis Duneman

Proceedings Volume 2302, (1994) https://doi.org/10.1117/12.188050

KEYWORDS: Image processing, Optical transfer functions, Computer simulations, Image restoration, Wavefront sensors, Image sensors, Glasses, Algorithm development, Image acquisition, Imaging systems

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Proceedings Article | 9 June 1994 Paper

Paper

Use of electro-optical devices for optical path-length (OPL) compensation

Sergio Restaino, Elinor Gates, Richard Carreras, Raymond Dymale, Gary Loos

Proceedings Volume 2200, (1994) https://doi.org/10.1117/12.177265

KEYWORDS: LCDs, Video, Projection systems, Cameras, Electro optics, Liquid crystals, Phase shift keying, Thin films, Wavefront distortions, Optical transfer functions

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Proceedings Article | 1 June 1994 Paper

Paper

Hyperspectral observations of space objects

Bruce Rafert, Eirik Holbert, R. Glenn Sellar, Susan Durham, Tamara Payne, Gregory Tarr, Richard Carreras, Dennis Duneman, David Stone, Stephen Gregory, Amy Prochko

Proceedings Volume 2198, (1994) https://doi.org/10.1117/12.176727

KEYWORDS: Satellites, Telescopes, Astronomy, Stars, Space telescopes, Calibration, Spectroscopy, Earth observing sensors, Satellite imaging, Data acquisition

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Proceedings Article | 9 November 1993 Paper

Paper

Image restoration using nonlinear optimization techniques with a knowledge-based constraint

Richard Carreras

Proceedings Volume 2029, (1993) https://doi.org/10.1117/12.162000

KEYWORDS: Image restoration, Diagnostics, Optical transfer functions, Computer programming, Image processing, Imaging systems, Fourier transforms, Digital imaging, Electronic filtering, Mathematical modeling

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Proceedings Article | 29 December 1992 Paper

Paper

Image restoration using nonlinear optimization techniques for partially compensated imaging systems

Richard Carreras, Michael Roggemann

Proceedings Volume 1767, (1992) https://doi.org/10.1117/12.139044

KEYWORDS: Imaging systems, Image restoration, Electronic filtering, Image processing, Computer programming, Point spread functions, Inverse problems, Scattering, Optical transfer functions, Diagnostics

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Proceedings Article | 1 July 1990 Paper

Paper

Dynamic modeling of a phased array telescope

Mohammad Jamshidi, Nancy Miller, Joseph Meinhardt, Richard Carreras

Proceedings Volume 1236, (1990) https://doi.org/10.1117/12.19214

KEYWORDS: Telescopes, Control systems, Data modeling, Phased arrays, Optical telescopes, Mathematical modeling, Space telescopes, Digital signal processing, System identification, Signal processing

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Showing 5 of 24 publications

Proceedings Volume Editor (6)

SPIE Conference Volume | 12 August 2009

Advanced Wavefront Control: Methods, Devices, and Applications VII

SPIE Conference Volume | 26 August 2008

Advanced Wavefront Control: Methods, Devices, and Applications VI

SPIE Conference Volume | 12 September 2007

Advanced Wavefront Control: Methods, Devices, and Applications V

SPIE Conference Volume | 28 August 2006

Advanced Wavefront Control: Methods, Devices, and Applications IV

SPIE Conference Volume | 31 October 2000

Imaging Technology and Telescopes

Showing 5 of 6 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

Advanced Wavefront Control: Methods, Devices, and Applications IV

14 August 2006 | San Diego, California, United States

Advanced Wavefront Control: Methods, Devices, and Applications III

31 July 2005 | San Diego, California, United States

Showing 5 of 9 Conference Committees

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