Dr. Keith E. Wilson Profile

Dr. Keith E. Wilson

Principal at Jet Propulsion Lab

SPIE Involvement:

Editor | Author

Publications (25)

Proceedings Article | 4 September 2013 Paper

The architecture of the laser communications relay demonstration ground stations: an overview

John Moores, Keith Wilson

Proceedings Volume 8610, 86100L (2013) https://doi.org/10.1117/12.2010817

KEYWORDS: Control systems, Adaptive optics, Telescopes, Telecommunications, Relays, Space telescopes, Laser communications, Optical communications, Satellites, Satellite communications

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Proceedings Article | 9 June 2011 Paper

Field tests of laser ranging using PRBS modulation techniques

J. Kovalik, K. Wilson, M. Wright, W. Williamson

Proceedings Volume 8037, 80371C (2011) https://doi.org/10.1117/12.882965

KEYWORDS: Global Positioning System, Ranging, Retroreflectors, Signal to noise ratio, Telescopes, Cameras, Sensors, Receivers, Signal detection, Antennas

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Proceedings Article | 26 February 2010 Paper

Data products for the OCTL to OICETS optical link experiment

J. Kovalik, A. Biswas, K. Wilson, M. Wright, W. Roberts

Proceedings Volume 7587, 75870C (2010) https://doi.org/10.1117/12.845623

KEYWORDS: Data acquisition, Sensors, Satellites, Telescopes, Binary data, Receivers, Atmospheric modeling, Optical communications, Signal detection, Video

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Proceedings Article | 26 February 2010 Paper

OCTL to OICETS optical link experiment (OTOOLE) electrooptical systems

W. Thomas Roberts, Malcolm Wright, Joseph Kovalik, Vachik Garkanian, Keith Wilson

Proceedings Volume 7587, 75870Y (2010) https://doi.org/10.1117/12.855137

KEYWORDS: Telescopes, Space telescopes, Sensors, Mirrors, Optical communications, Space operations, Modulation, Telecommunications, Laser communications, Satellites

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Proceedings Article | 26 February 2010 Paper

Preliminary results of the OCTL to OICETS optical link experiment (OTOOLE)

Keith Wilson, Joseph Kovalik, Abhijit Biswas, Malcolm Wright, William Roberts, Yoshihisa Takayama, Shiro Yamakawa

Proceedings Volume 7587, 758703 (2010) https://doi.org/10.1117/12.845063

KEYWORDS: Satellites, Telescopes, Receivers, Optical communications, Satellite communications, Laser communications, Sensors, Space telescopes, Modulation, Mirrors

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SPIE Journal Paper | 1 January 2008

Improved optical communications performance combining adaptive optics and pulse position modulation

Malcolm Wright, Jennifer Roberts, William Farr, Keith Wilson

OE, Vol. 47, Issue 01, 016003, (January 2008) https://doi.org/10.1117/12.10.1117/1.2829764

KEYWORDS: Adaptive optics, Sensors, Modulation, Avalanche photodetectors, Optical communications, Turbulence, Receivers, Free space optical communications, Atmospheric optics, Wavefronts

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Proceedings Article | 4 May 2007 Paper

Development of laser beam transmission strategies for future ground-to-space optical communications

Keith Wilson, Joseph Kovalik, Abhijit Biswas, William Roberts

Proceedings Volume 6551, 65510B (2007) https://doi.org/10.1117/12.720803

KEYWORDS: Space telescopes, Telescopes, Satellites, Mirrors, Optical communications, Signal attenuation, Space operations, Laser beam propagation, Laser safety, Sensors

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Proceedings Article | 13 September 2005 Paper

Performance of the optical communication adaptive optics testbed

Jennifer Roberts, Mitchell Troy, Malcolm Wright, Stephen Guiwits, Siddarayappa Bikkannavar, Gary Brack, Vachik Garkanian, Dean Palmer, Benjamin Platt, Tuan Truong, Kent Wallace, Keith Wilson

Proceedings Volume 5892, 589212 (2005) https://doi.org/10.1117/12.618072

KEYWORDS: Adaptive optics, Wavefronts, Turbulence, Zoom lenses, Error analysis, Calibration, Optical communications, Sensors, Servomechanisms, Signal detection

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Proceedings Article | 16 June 2004 Paper

Deep-space optical communications link availability and data volume

Abhijit Biswas, Keith Wilson, Sabino Piazzolla, Janet Wu, William Farr

Proceedings Volume 5338, (2004) https://doi.org/10.1117/12.537823

KEYWORDS: Signal attenuation, Clouds, Space operations, Mars, Sun, Atmospheric modeling, Visibility, Optical communications, Receivers, Optical networks

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Proceedings Article | 26 April 2002 Paper

Multigigabit data-rate optical communication depicting LEO-to-GEO and GEO-to-ground links

Hamid Hemmati, Malcolm Wright, Babak Sanii, Norman Page, Gerry Ortiz, Abhijit Biswas, Keith Wilson

Proceedings Volume 4635, (2002) https://doi.org/10.1117/12.464091

KEYWORDS: Receivers, Transmitters, Optical communications, Telescopes, Acquisition tracking and pointing, Space telescopes, Space operations, Signal attenuation, Fiber amplifiers, Wavelength division multiplexing

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Proceedings Article | 2 May 2000 Paper

Progress in design and construction of the Optical Communications Telescope Laboratory (OCTL)

Keith Wilson, Mike Britcliffe, Nassar Golshan

Proceedings Volume 3932, (2000) https://doi.org/10.1117/12.384302

KEYWORDS: Telescopes, Space telescopes, Optical communications, Adaptive optics, Satellite communications, Satellites, Optical instrument design, Free space optics, Space operations, Space reconnaissance

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Proceedings Article | 26 April 1999 Paper

Progress in design and construction of the Optical Communications Laser Laboratory

Keith Wilson, Mike Britcliffe, Nassar Golshan

Proceedings Volume 3615, (1999) https://doi.org/10.1117/12.346181

KEYWORDS: Space telescopes, Optical communications, Telescopes, Laser optics, Space operations, Mirrors, Satellite communications, Satellites, Adaptive optics, Data communications

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Proceedings Article | 27 May 1998 Paper

Development of a 1-m-class telescope at TMF to support optical communications demonstrations

Keith Wilson, John Sandusky

Proceedings Volume 3266, (1998) https://doi.org/10.1117/12.308703

KEYWORDS: Optical communications, Space telescopes, Telescopes, Mirrors, Optics, Satellites, Clouds, Data communications, Atmospheric propagation, Astronomy

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Proceedings Article | 27 May 1998 Paper

Results of the STRV-2 lasercom terminal evaluation tests

Abhijit Biswas, George Williams, Keith Wilson, Harel Hakakha, Ron Stieger, Eric Korevaar

Proceedings Volume 3266, (1998) https://doi.org/10.1117/12.308694

KEYWORDS: Transmitters, Receivers, Sensors, Avalanche photodetectors, Cameras, Laser missile defense, Telescopes, Modulation, Optical communications, Satellites

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The STRV-2 lasercom terminal (LCT) was designed and developed by AstroTerra Corporation of San Diego, California, under funding from the Ballistic Missile Defense Organization (BMDO). Scheduled for launch in late 1998 it will be used to demonstrate, for the first time, high data rate bi-directional satellite-to-ground optical communications. Concurrently with the development of the STRV-2 lasercom NASA/JPL was assembling the lasercom test and evaluation station (LTES), a high quality test platform for pre-flight characterization of optical communications terminals. The respective development schedules allowed evaluation of the STRV-2 LCT using LTES, for a month, prior to integration of the LCT with the spacecraft palette. Final co-alignment of the transmitter lasers to within plus or minus 20 (mu) rads with respect to the receive axis was achieved. This in turn allowed the specified 76 (mu) rad transmit beam divergence to be realized. However, subjecting the LCT to expected on-orbit temperatures revealed that the co-alignment deteriorated causing beam spreading, a finding which prompted the recommendation to operate the lasers warmed up during ground encounters. The 'bent-pipe' operation bit-error rates (BER) at 155, 194 and 325 Mbps were less than or equal to 1E - 10 over an approximately 20 dB range of irradiance measured at the receive telescope aperture. At 500 Mbps BER's of 1E-6 were achieved over an approximately 6 dB irradiance range, suggesting greater vulnerability to atmosphere induced fades. A pointing offset between the acquisition receivers and transmitter lasers of 1 mrad was measured. The impact of this offset will be to limit acquisition camera framing rates to 87 and 251 Hz, thus limiting the tracking loop bandwidth. Tracking performance test of the lasercom terminal, though planned could not be carried out because the software was not ready at the time of testing with LTES. The test results obtained for STRV-2 lasercom terminal will be used for designing the ground receiver.

Proceedings Article | 27 May 1998 Paper

Lasercom test and evaluation station (LTES) development: an update

Abhijit Biswas, Keith Wilson, Norman Page

Proceedings Volume 3266, (1998) https://doi.org/10.1117/12.308712

KEYWORDS: Sensors, Data acquisition, Transmitters, Laser development, Mirrors, Modulation, Channel projecting optics, Receivers, Data modeling, Optical testing

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Proceedings Article | 24 April 1997 Paper

Data analysis results from the GOLD experiments

Muthu Jeganathan, Morio Toyoshima, Keith Wilson, Jonathan James, Guangshui Xu, James Lesh

Proceedings Volume 2990, (1997) https://doi.org/10.1117/12.273711

KEYWORDS: Scintillation, Satellites, Receivers, Atmospheric optics, Atmospheric modeling, Gold, Satellite communications, Transmitters, Sensors, Telescopes

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Proceedings Article | 24 April 1997 Paper

Lasercom test and evaluation station for flight-terminal evaluation

Keith Wilson, Norman Page, Abhijit Biswas, Hamid Hemmati, Kevin Masters, David Erickson, James Lesh

Proceedings Volume 2990, (1997) https://doi.org/10.1117/12.273690

KEYWORDS: Sensors, Mirrors, Beam splitters, Laser communications, Channel projecting optics, Data acquisition, Cameras, Off axis mirrors, Control systems, Telescopes

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Proceedings Article | 24 April 1997 Paper

Overview of the Ground-to-Orbit Lasercom Demonstration (GOLD)

Keith Wilson, James Lesh, Kenichi Araki, Yoshinori Arimoto

Proceedings Volume 2990, (1997) https://doi.org/10.1117/12.273703

KEYWORDS: Satellites, Gold, Optical communications, Signal detection, Sensors, Receivers, Space operations, Signal attenuation, Transmitters, Satellite communications

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Proceedings Article | 24 April 1997 Paper

Comparative study of optical and RF communication systems for a Mars Mission: II. Unified value metrics

Hamid Hemmati, J. Layland, James Lesh, Keith Wilson, Miles Sue, Daniel Rascoe, F. Lansing, Michael Wilhelm, L. Harcke, Che Jen Chen, Y. Feria

Proceedings Volume 2990, (1997) https://doi.org/10.1117/12.273697

KEYWORDS: Mars, Space operations, Ka band, X band, Telecommunications, Antennas, Neptune, Data storage, Data communications, Optical communications

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Proceedings Article | 22 April 1996 Paper

Preliminary results of the ground/orbiter lasercom demonstration experiment between Table Mountain and the ETS-VI satellite

Keith Wilson, James Lesh, Kenichi Araki, Yoshinori Arimoto

Proceedings Volume 2699, (1996) https://doi.org/10.1117/12.238428

KEYWORDS: Satellites, Telescopes, Satellite communications, Optical communications, Gold, Space operations, Space telescopes, Sensors, Receivers, Transmitters

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Proceedings Article | 22 April 1996 Paper

Comparative study of optical and rf communication systems for a Mars mission

Hamid Hemmati, Keith Wilson, Miles Sue, Daniel Rascoe, F. Lansing, Michael Wilhelm, L. Harcke, Che Jen Chen

Proceedings Volume 2699, (1996) https://doi.org/10.1117/12.238410

KEYWORDS: Space operations, Telecommunications, Sensors, Receivers, X band, Space telescopes, Telescopes, Antennas, Optical communications, Mars

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Proceedings Article | 15 June 1995 Paper

Effect of aperture averaging on a 570-Mbps 42 km horizontal path optical link

Keith Wilson, Abhijit Biswas, Scott Bloom, Victor Chan

Proceedings Volume 2471, (1995) https://doi.org/10.1117/12.211934

KEYWORDS: Optical communications, Turbulence, Receivers, Signal to noise ratio, Sensors, Scintillation, Atmospheric propagation, Transmitters, Telescopes, Avalanche photodetectors

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Proceedings Article | 16 August 1994 Paper

Overview of the Compensated Earth-Moon-Earth Retroreflector Laser Link (CEMERLL) experiment

Keith Wilson

Proceedings Volume 2123, (1994) https://doi.org/10.1117/12.184685

KEYWORDS: Atmospheric propagation, Adaptive optics, Signal detection, Atmospheric optics, Retroreflectors, Telescopes, Laser beam propagation, Laser guide stars, Turbulence, Photons

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Proceedings Article | 6 August 1993 Paper

GOPEX: a laser uplink to the Galileo spacecraft on its way to Jupiter

Keith Wilson, James Lesh, Tsun-Yee Yan

Proceedings Volume 1866, (1993) https://doi.org/10.1117/12.149251

KEYWORDS: Space operations, Space telescopes, Telescopes, Time multiplexed optical shutter, Transmitters, Observatories, Cameras, Stars, Jupiter, Signal detection

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Proceedings Article | 1 June 1991 Paper

GOPEX: a deep-space optical communications demonstration with the Galileo spacecraft

Keith Wilson, Jon Schwartz, James Lesh

Proceedings Volume 1417, (1991) https://doi.org/10.1117/12.43739

KEYWORDS: Space operations, Optical communications, Space telescopes, Telescopes, Cameras, Signal detection, Satellites, Transmitters, Time multiplexed optical shutter, Receivers

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Showing 5 of 25 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 5 September 2013

International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems

Conference Committee Involvement (1)

ISPDI 2013: Laser Communication Technologies and Systems

25 June 2013 | Beijing, China

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