Dr. Douglas H Nelson Profile

Dr. Douglas H Nelson

Senior Combat Systems Engineer

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Publications (9)

Proceedings Article | 9 March 2007 Paper

Narrow linewidth coherent beam combining of optical fiber amplifier arrays

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

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

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

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 | 1 July 2002 Paper

Acquisition, tracking, pointing, and line-of-sight control laboratory experiments for a space-based bifocal relay mirror

Marcello Romano, Michael Spencer, J. Connors, James Dillow, Brij Agrawal, Richard Brunson, Sergio Restaino, Douglas Nelson

Proceedings Volume 4714, (2002) https://doi.org/10.1117/12.472600

KEYWORDS: Mirrors, Space operations, Relays, Space telescopes, Telescopes, Sensors, Control systems, Transmitters, Beam controllers, Acquisition tracking and pointing

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Proceedings Article | 5 October 1999 Paper

Huygens-Fresnel wave-optics simulation of atmospheric optical turbulence and reflective speckle in CO2 differential absorption lidar (DIAL)

Mark Schmitt, Edward MacKerrow, Aaron Koskelo, Brian McVey, Michael Whitehead, Roger Petrin, L. John Jolin, Frank Archuleta, William Porch, Douglas Nelson, Bernard Foy, Joseph Tiee, Charles Fite, Charles Quick, Donald Walters

Proceedings Volume 3763, (1999) https://doi.org/10.1117/12.363616

KEYWORDS: Turbulence, Atmospheric propagation, Speckle, Atmospheric optics, LIDAR, Optical turbulence, Reflectivity, Receivers, Atmospheric modeling, Wave propagation

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Proceedings Article | 3 August 1999 Paper

Huygens-Fresnel wave-optics simulation of atmospheric optical turbulence and reflective speckle in CO2 differential absorption lidar (DIAL)

Douglas Nelson, Aaron Koskelo, Frank Archuleta, Brian McVey, Donald Walters, Charles Fite, Roger Petrin, Charles Quick, William Porch, Michael Whitehead, Mark Schmitt, Edward MacKerrow, Joseph Tiee, Bernard Foy

Proceedings Volume 3706, (1999) https://doi.org/10.1117/12.356949

KEYWORDS: Turbulence, Speckle, Atmospheric propagation, LIDAR, Reflectivity, Atmospheric optics, Wave propagation, Optical turbulence, Optical simulations, Beam propagation method

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Proceedings Article | 8 September 1998 Paper

Wave optics simulation of atmospheric turbulence and reflective speckle effects in CO2 differential absorption lidar (DIAL)

Charles Quick, Roger Petrin, William Porch, Mark Schmitt, Andrew Zardecki, Douglas Nelson, Michael Whitehead, Edward MacKerrow, Donald Walters

Proceedings Volume 3381, (1998) https://doi.org/10.1117/12.323933

KEYWORDS: Speckle, Turbulence, Atmospheric propagation, Reflectivity, Atmospheric turbulence, LIDAR, Optical simulations, Receivers, Atmospheric optics, Wave propagation

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Proceedings Article | 31 October 1997 Paper

Development of frequency-agile high-repetition-rate CO2 DIAL systems for long range chemical remote sensing

Michael Whitehead, John Quagliano, Bryan Laubscher, Joseph Tiee, Robert Nemzek, Aaron Koskelo, Bernard Foy, Roger Petrin, Patrick Schafstall, Brian McVey, Charles Fite, L. John Jolin, Robert Sander, Douglas Nelson, Charles Quick, Donald Mietz, Edward MacKerrow

Proceedings Volume 3127, (1997) https://doi.org/10.1117/12.283907

KEYWORDS: Absorption, Carbon dioxide, Speckle, LIDAR, Carbon dioxide lasers, Turbulence, Target detection, Chemical analysis, Pulsed laser operation, Atmospheric propagation

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Proceedings Article | 31 October 1997 Paper

Noise contaminated transmittance

Brian McVey, Douglas Nelson, Andrew Zardecki, Mark Schmitt

Proceedings Volume 3127, (1997) https://doi.org/10.1117/12.279068

KEYWORDS: Transmittance, Neural networks, LIDAR, Fourier transforms, Fractal analysis, Correlation function, Interference (communication), Chemical analysis, Atmospheric modeling, Absorption

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Proceedings Article | 29 March 1996 Paper

Atmospheric effects on CO2 differential absorption lidar sensitivity

Charles Quick, Douglas Nelson, Mark Schmitt, Joseph Tiee, Michael Whitehead, Roger Petrin

Proceedings Volume 2702, (1996) https://doi.org/10.1117/12.236883

KEYWORDS: Atmospheric modeling, Absorption, Signal to noise ratio, Atmospheric propagation, Atmospheric turbulence, Turbulence, Carbon monoxide, Gas lasers, LIDAR, Atmospheric sensing

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Showing 5 of 9 publications

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