Mr. Jeffrey Baker Profile

Jeffrey Baker

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Publications (27)

Proceedings Article | 5 August 2009 Paper

A novel technique for electronic phasing of high power fiber amplifier arrays

T. Shay, J. Baker, Anthony Sanchez, C. Robin, C. Vergien, C. Zeringue, D. Gallant, Chunte Lu, Benjamin Pulford, T. Bronder, Arthur Lucero

Proceedings Volume 7386, 73860W (2009) https://doi.org/10.1117/12.842546

KEYWORDS: Phase shift keying, Optical components, Photodetectors, Phase modulation, Signal processing, Modulation, High power fiber amplifiers, Optical amplifiers, Phase measurement, Signal to noise ratio

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Proceedings Article | 19 February 2009 Paper

High-power phase locking of a fiber amplifier array

T. Shay, J. Baker, A. Sanchez, C. Robin, C. Vergien, C. Zeringue, D. Gallant, Chunte Lu, Benjamin Pulford, T. Bronder, Arthur Lucero

Proceedings Volume 7195, 71951M (2009) https://doi.org/10.1117/12.809416

KEYWORDS: Phase shift keying, Optical components, Photodetectors, Phase modulation, Signal processing, Modulation, Mode locking, Optical amplifiers, Phase measurement, Signal to noise ratio

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Proceedings Article | 9 March 2007 Paper

Narrow linewidth coherent beam combining of optical fiber amplifier arrays

Thomas Shay, Vincent Benham, Jeffrey Baker, Anthony Sanchez, Daniel Pilkington, Douglas Nelson, Chunte Lu

Proceedings Volume 6451, 64511N (2007) https://doi.org/10.1117/12.714639

KEYWORDS: Cobalt, Modulation, Phase shift keying, Optical components, Mode locking, Photodetectors, Fiber amplifiers, Phase modulation, Signal processing, Phase measurement

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Proceedings Article | 6 September 2006 Paper

First experimental demonstration of self-synchronous locking of optical coherence by single-detector electronic-frequency tagging of fiber amplifiers

T. Shay, Vincent Benham, J. Baker, Benjamin Ward, Anthony Sanchez, Mark Culpepper, D. Pilkington, Justin Spring, Douglas Nelson, Chunte Lu

Proceedings Volume 6304, 63040W (2006) https://doi.org/10.1117/12.678425

KEYWORDS: Phase shift keying, Optical components, Mode locking, Fiber amplifiers, Phase measurement, Modulation, Photodetectors, Phase modulation, Signal processing, Optical arrays

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Proceedings Article | 23 February 2006 Paper

Self-referenced locking of optical coherence by single-detector electronic-frequency tagging

T. Shay, Vincent Benham, Justin Spring, Benjamin Ward, F. Ghebremichael, Mark Culpepper, Anthony Sanchez, J. Baker, D. Pilkington, Richard Berdine

Proceedings Volume 6102, 61020V (2006) https://doi.org/10.1117/12.646634

KEYWORDS: Photodetectors, Mode locking, Modulation, Phase shift keying, Phase measurement, Optical components, Phased array optics, Optical arrays, Modulators, Fiber lasers

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Proceedings Article | 9 December 2004 Paper

Kilometer scale primary collector telescopy

Thomas Ditto, Jeffrey Friedman, Jeffrey Baker

Proceedings Volume 5578, (2004) https://doi.org/10.1117/12.567574

KEYWORDS: Diffraction gratings, Telescopes, Spectral resolution, Mirrors, Spectroscopy, Spatial resolution, Space telescopes, Diffraction, Spectrographs, Tolerancing

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Proceedings Article | 20 October 2004 Paper

Developing a portable NRL fast-frame-rate seeing monitor

Eun Oh, James Murphy, Jeffrey Baker, G. Charmaine Gilbreath, Robert Hindsley, David Mozurkewich, Sergio Restaino, Susan Fortenberry

Proceedings Volume 5550, (2004) https://doi.org/10.1117/12.562195

KEYWORDS: Stars, Telescopes, Image intensifiers, Charge-coupled devices, Cameras, Image processing, Calibration, Data analysis, MATLAB, Lenses

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Proceedings Article | 2 February 2004 Paper

Non-mechanical zoom system

Ty Martinez, David Wick, Don Payne, Jeffrey Baker, Sergio Restaino

Proceedings Volume 5234, (2004) https://doi.org/10.1117/12.510373

KEYWORDS: Zoom lenses, Spatial light modulators, Imaging systems, Active optics, Optical components, Lenses, Wavefronts, Liquid crystals, Analytical research, Cameras

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Proceedings Article | 30 April 2003 Paper

Liquid crystal technology for adaptive optics: an update

Sergio Restaino, Don Payne, Jeffrey Baker, Jonathan Andrews, Scott Teare, G. Charmaine Gilbreath, David Dayton, John Gonglewski

Proceedings Volume 5003, (2003) https://doi.org/10.1117/12.498690

KEYWORDS: Liquid crystals, Adaptive optics, Wavefronts, LCDs, Control systems, Deformable mirrors, Modulation, Refractive index, Reflectivity, Wavefront aberrations

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Proceedings Article | 21 February 2003 Paper

Low-cost innovative telescope

Jeffrey Friedman, Jeffrey Baker, Sergio Restaino, Jim Payne, Raymond Desmarais, Galen Gisler, Don Payne, Ty Martinez

Proceedings Volume 4838, (2003) https://doi.org/10.1117/12.469810

KEYWORDS: Telescopes, Adaptive optics, Mirrors, Secondary tip-tilt mirrors, Baryon acoustic oscillations, Optical tracking, Geometrical optics, Interferometry, Optics manufacturing, Sensors

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Proceedings Article | 21 February 2003 Paper

Results from a portable adaptive optics system on the 1-meter telescope at the Naval Observatory Flagstaff Station

Sergio Restaino, G. Charmaine Gilbreath, Don Payne, Jeffrey Baker, Ty Martinez, Michael DiVittorio, David Mozurkewich, Jeffrey Friedman

Proceedings Volume 4838, (2003) https://doi.org/10.1117/12.479725

KEYWORDS: Adaptive optics, Telescopes, Observatories, Analytical research, Cameras, Imaging systems, Interferometry, Calibration, Interferometers, Wavefront sensors

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Proceedings Article | 6 November 2002 Paper

Active multimodal control of a floppy telescope structure

Jeffrey Baker, Sergio Restaino, Ty Martinez, Jeffrey Friedman

Proceedings Volume 4825, (2002) https://doi.org/10.1117/12.451955

KEYWORDS: Telescopes, Optical tracking, Ocean optics, Sensors, Adaptive optics, Analytical research, Structural dynamics, Control systems, Performance modeling, Mirrors

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Proceedings Article | 17 July 2002 Paper

Wide-field-of-view foveated imaging system using a liquid crystal spatial light modulator

David Wick, Ty Martinez, Jeffrey Baker, Don Payne, Bradley Stone, Sergio Restaino

Proceedings Volume 4715, (2002) https://doi.org/10.1117/12.474470

KEYWORDS: Imaging systems, Spatial light modulators, Liquid crystals, Data transmission, Image compression, Eye, Spatial resolution, Surveillance, Adaptive optics, Unmanned vehicles

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Proceedings Article | 25 June 2002 Paper

EAGLE: relay mirror technology development

Mary Hartman, Sergio Restaino, Jeffrey Baker, Don Payne, Jerry Bukley

Proceedings Volume 4724, (2002) https://doi.org/10.1117/12.472368

KEYWORDS: Mirrors, Relays, Space telescopes, Telescopes, Beam controllers, Space mirrors, Laser applications, Satellites, Space operations, Space based lasers

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Proceedings Article | 1 February 2002 Paper

New liquid crystal devices for adaptive optics

Sergio Restaino, Jeffrey Baker, Don Payne

Proceedings Volume 4493, (2002) https://doi.org/10.1117/12.454726

KEYWORDS: Liquid crystals, Adaptive optics, Wavefronts, LCDs, Deformable mirrors, Laser damage threshold, Wavefront sensors, Control systems, Refractive index, Modulation

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Proceedings Article | 1 February 2002 Paper

Use of accelerometers to reduce dynamic range requirements in an adaptive optics system

Jeffrey Baker, Ty Martinez, Sergio Restaino, David Wick, Don Payne, Galen Gisler, Jeffrey Friedman

Proceedings Volume 4493, (2002) https://doi.org/10.1117/12.454714

KEYWORDS: Adaptive optics, Telescopes, Optical tracking, Mirrors, Ocean optics, Atmospheric optics, Astronomical imaging, Astronomy, Mirror mounts, Control systems

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Proceedings Article | 1 February 2002 Paper

Adaptive Optics correction of geometrical fluctuations of Virgo input laser beam: preliminary results

S. Avino, Fabrizio Barone, Jeffrey Baker, Enrico Calloni, Rosario De Rosa, Luciano DiFiore, Leopoldo Milano, Sergio Restaino

Proceedings Volume 4493, (2002) https://doi.org/10.1117/12.454708

KEYWORDS: Interferometers, Wavefronts, Adaptive optics, Interference (communication), Wavefront sensors, Optical calibration, Error analysis, Mirrors, Monochromatic aberrations, Deformable mirrors

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Proceedings Article | 31 January 2001 Paper

State of the art in liquid crystal technologies for wavefront compensation: an AFRL perspective

Sergio Restaino, Jeffrey Baker, David Dayton, Deborah Werling, Stephen Browne

Proceedings Volume 4167, (2001) https://doi.org/10.1117/12.413818

KEYWORDS: Liquid crystals, Adaptive optics, Wavefronts, Deformable mirrors, Actinium, Modulation, Wavefront compensation, LCDs, Refractive index, Phase modulation

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Proceedings Article | 17 March 2000 Paper

Experimental results from an adaptive optics system based on a dual frequency nematic device

Sergio Restaino, Jeffrey Baker, David Dayton, Lyle Finkner

Proceedings Volume 3955, (2000) https://doi.org/10.1117/12.379982

KEYWORDS: Liquid crystals, Adaptive optics, Wavefronts, LCDs, Modulation, Control systems, Refractive index, Dielectrics, Wavefront sensors, Polarization

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Proceedings Article | 3 November 1999 Paper

Dual-frequency nematic devices for wavefront control: preliminary results

Sergio Restaino, David Dayton, Jeffrey Baker

Proceedings Volume 3760, (1999) https://doi.org/10.1117/12.367600

KEYWORDS: Wavefronts, Liquid crystals, Control systems, LCDs, Modulation, Polarization, Adaptive optics, Reflectivity, Wavefront sensors, Telescopes

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Proceedings Article | 3 November 1999 Paper

Holographic compensation of severe dynamic aberrations in membrane-mirror-based telescope systems

Mark Gruneisen, Ty Martinez, David Wick, James Wilkes, Jeffrey Baker, Isabelle Percheron

Proceedings Volume 3760, (1999) https://doi.org/10.1117/12.367589

KEYWORDS: Mirrors, Optically addressed spatial light modulators, Diffraction, Holograms, Telescopes, Holography, Wavefronts, Cameras, Modulation, Collimation

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Proceedings Article | 19 July 1999 Paper

Innovative low-cost adaptive optics programs: a new mind-set emerges

Jeffrey Baker, Jeffrey Friedman, Isabelle Percheron, Lyle Finkner, Sergio Restaino, Gary Loos

Proceedings Volume 3749, (1999) https://doi.org/10.1117/12.354995

KEYWORDS: Adaptive optics, Photon counting, Wavefront sensors, Deformable mirrors, Control systems, Imaging systems, Interferometers, Analog electronics, Wavefronts, Mirrors

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Proceedings Article | 11 September 1998 Paper

Progress report of USAF Research Laboratory liquid crystal AO program

Sergio Restaino, Don Payne, Michael Anderson, Jeffrey Baker, Steven Serati, Gary Loos

Proceedings Volume 3353, (1998) https://doi.org/10.1117/12.321694

KEYWORDS: Liquid crystals, Adaptive optics, Analytical research, Modulation, Analog electronics, Wavefront sensors, Modulators, Wavefronts, Point spread functions, Actinium

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Proceedings Article | 11 September 1998 Paper

High-QE fast-readout wavefront sensor with analog phase reconstruction

Jeffrey Baker, Gary Loos, Sergio Restaino, Isabelle Percheron, Lyle Finkner

Proceedings Volume 3353, (1998) https://doi.org/10.1117/12.321705

KEYWORDS: Wavefront sensors, Analog electronics, CCD cameras, Cameras, Wavefronts, Signal to noise ratio, Sensors, Quantum efficiency, Data acquisition, Charge-coupled devices

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Proceedings Article | 24 July 1998 Paper

Two-telescope interferometric testbed to develop low-cost atmospheric correction techniques for high angular resolution

Lyle Finkner, Isabelle Percheron, Jeffrey Baker, Darryl Sanchez

Proceedings Volume 3350, (1998) https://doi.org/10.1117/12.317157

KEYWORDS: Telescopes, Space telescopes, Interferometers, Mirrors, Atmospheric corrections, Interferometry, Visibility, Stars, Cameras, Optical signal processing

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Proceedings Article | 24 July 1998 Paper

Single-core and multicore single-mode optical fibers for optical interferometry

Sergio Restaino, Robert McBroom, Jeffrey Baker

Proceedings Volume 3350, (1998) https://doi.org/10.1117/12.317170

KEYWORDS: Space telescopes, Telescopes, Prototyping, Single mode fibers, Optical interferometry, Polishing, Interferometry, Wavefronts, Adaptive optics, Surveillance

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Proceedings Article | 24 July 1998 Paper

New University of Puerto Rico/Air Force Research Laboratory initiative in adaptive optics interferometry

Jeffrey Friedman, Gary Loos, Jeffrey Baker, Lyle Finkner, Darryl Sanchez, Isabelle Percheron, Sergio Restaino

Proceedings Volume 3350, (1998) https://doi.org/10.1117/12.317095

KEYWORDS: Adaptive optics, Space telescopes, Telescopes, Interferometers, Optical fibers, Interferometry, Cameras, Astronomy, Observatories, Mirrors

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The University ofPuerto Rico, Mayaguez, in conjunction with the Deep Space Surveillance Branch (DEBS) ofthe USAF Research Laboratory (AFRL) Phillips Site (PL) in Albuquerque, NM is initiating an Adaptive Optics (AO) Interferometry program. The program will begin with four projects. We currently have finding for a three element optical interferometer, described in this paper, using Technology developed at DEBS, for a new wavefront sensor and a Liquid Crystal (LC) wavefront compensator being presented at this meeting'9.and a Low Light Level Fringe Tracker (LLLFT)"6'1"24 Michelson: Interferometer. We are also developing a program to put a similarly configured inexpensive two-element interferometer test-bed in orbit. The interferometer would have optical elements on a 10-meter boom. It will use Aperture Synthesis by rotation and motion ofthe elements along the booms. The third project under development would incorporate the initial 3-element interferometer into a larger array with the additional collaboration ofNew Mexico Tech and New Mexico State University at a 10,600' site near Socorro, NM. As part ofthe ground based interferometry effort we are trying to develop inexpensive meter class telescopes. The 0.75meter telescopes we are building for our small interferometer will serve as prototypes and system test-beds. The telescopes will be robotic, remotely operable, essentially self-orienting, and portable. We hope to produce such systems for commercial distribution for approximately $250K each. All ofthe ground-based interferometric systems will be configured for remote operation and independent use ofsub-arrays while upgrades and repairs are underway. The major thrust ofthe UPR effort will be to develop inexpensive interferometers for diverse applications with the low light level capabilities and the LC adaptive optics developed at the Phillips Site. Particular applications will be for high-resolution astronomy and satellite imaging. The adaptive optics will be such that they can be placed on the individual telescopes and are not part ofthe interferometer. They will then serve as templates fbr AO systems ofgeneral interest. As an additional part ofall ofthese projects we will try to develop the use ofoptical fibers for several applications. We would like to couple the telescopes with fiber if we can develop an efficient way to couple the output signal from the telescope to the fibers. in addition we hope to use fiber stretchers for optical path compensation to replace expensive conventional optical delay lines. Key words; adaptive optics, interferometer, Liquid Crystal wavefront compensation

Showing 5 of 27 publications

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