Dr. Ammar Al-Habash Profile

Dr. Ammar Al-Habash

at Raytheon

SPIE Involvement:

Author

Proceedings Article | 9 December 2002 Paper

Visibility in low clouds and its impact on FSO links

M. Al-Habash, Janae Nash, Jeff Baars, Michael Witiw, Kenneth Fischer, Kenneth Desmet

Proceedings Volume 4821, (2002) https://doi.org/10.1117/12.462009

KEYWORDS: Visibility, Visibility through fog, Clouds, Fiber optic gyroscopes, Sensors, Free space optics, Atmospheric optics, Oceanography, Wind measurement, Water

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Proceedings Article | 6 December 2002 Paper

Comparison between experimental and theoretical probability of fade for free-space optical communications

Ammar Al-habash, Kenneth Fischer, Carrie Cornish, Kenneth Desmet, Janae Nash

Proceedings Volume 4873, (2002) https://doi.org/10.1117/12.455514

KEYWORDS: Scintillation, Free space optics, Data modeling, Receivers, Avalanche photodetectors, Atmospheric scintillation, Sensors, Free space optical communications, Atmospheric optics, Data acquisition

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Proceedings Article | 26 April 2002 Paper

Effects of low clouds on terrestrial free-space optics availability

Jeff Baars, Michael Witiw, Ammar Al-Habash, Kenneth Fischer

Proceedings Volume 4635, (2002) https://doi.org/10.1117/12.464098

KEYWORDS: Clouds, Visibility through fog, Visibility, Fiber optic gyroscopes, Free space optics, Data modeling, Data archive systems, Signal attenuation, Meteorology, Data analysis

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Proceedings Article | 28 February 2002 Paper

Theory of optical scintillation: Gaussian-beam wave model

Ammar Al-Habash, Larry Andrews, R. Phillips

Proceedings Volume 4678, (2002) https://doi.org/10.1117/12.458427

KEYWORDS: Scintillation, Wave propagation, Atmospheric propagation, Spatial coherence, Spatial frequencies, Turbulence, Spherical lenses, Information operations, Data modeling, Optical filters

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SPIE Journal Paper | 1 August 2001

Mathematical model for the irradiance probability density function of a laser beam propagating through turbulent media

Ammar Al-Habash, Larry Andrews, R. Phillips

OE, Vol. 40, Issue 08, (August 2001) https://doi.org/10.1117/12.10.1117/1.1386641

KEYWORDS: Scintillation, Data modeling, Mathematical modeling, Wave propagation, Spherical lenses, Atmospheric propagation, Turbulence, Modulation, Optical engineering, Telecommunications

Proceedings Article | 20 June 2001 Paper

Double-pass fade statistics of a laser beam under moderate to strong atmospheric turbulence

Ammar Al-Habash, Larry Andrews, Ronald Phillips

Proceedings Volume 4272, (2001) https://doi.org/10.1117/12.430787

KEYWORDS: Atmospheric propagation, Scintillation, Wave propagation, Receivers, Atmospheric turbulence, Modulation, Transmitters, Laser beam propagation, LIDAR, Gaussian beams

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Proceedings Article | 5 September 2000 Paper

Scintillation of a gaussian beam reflected by a point target

Ammar Al-Habash, Larry Andrews, R. Phillips

Proceedings Volume 4035, (2000) https://doi.org/10.1117/12.397795

KEYWORDS: Scintillation, Transmitters, Gaussian beams, Atmospheric propagation, Wave propagation, Receivers, LIDAR, Channel projecting optics, Beam propagation method, Free space optics

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Proceedings Article | 13 June 2000 Paper

Mean fade-time of an optical communication channel under moderate-to-strong atmospheric turbulence

Ammar Al-Habash, Larry Andrews, Ronald Phillips

Proceedings Volume 3914, (2000) https://doi.org/10.1117/12.388038

KEYWORDS: Atmospheric modeling, Optical communications, Atmospheric optics, Statistical modeling, Scintillation, Atmospheric propagation, Atmospheric turbulence, Fourier transforms, Channel projecting optics, Atmospheric scintillation

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Proceedings Article | 14 April 2000 Paper

Mean fade time of an optical communication channel under moderate-to-strong atmospheric turbulence

Ammar Al-Habash, Larry Andrews, Ronald Phillips

Proceedings Volume 3927, (2000) https://doi.org/10.1117/12.382077

KEYWORDS: Atmospheric modeling, Optical communications, Atmospheric optics, Statistical modeling, Atmospheric propagation, Scintillation, Information operations, Atmospheric turbulence, Fourier transforms, Atmospheric scintillation

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Proceedings Article | 5 October 1999 Paper

Fade statistics associated with a space/ground laser communication link at large zenith angles

Larry Andrews, Cynthia Young, Ammar Al-Habash, Ronald Phillips, Deborah Tjin-Tham-Sjin

Proceedings Volume 3763, (1999) https://doi.org/10.1117/12.363622

KEYWORDS: Scintillation, Systems modeling, Satellites, Atmospheric propagation, Modulation, Receivers, Turbulence, Satellite communications, Transmitters, Atmospheric modeling

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Proceedings Article | 3 August 1999 Paper

New mathematical model for the intensity PDF of a laser beam propagating through turbulent media

Ammar Al-Habash, Larry Andrews

Proceedings Volume 3706, (1999) https://doi.org/10.1117/12.356978

KEYWORDS: Information operations, Atmospheric propagation, Laser beam propagation, Mathematical modeling, Wave propagation, Turbulence, Modulation, Scintillation, Data modeling, Stochastic processes

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Proceedings Article | 28 May 1999 Paper

Comparison of new theoretical models with field data for double-passage laser beam propagation

Ammar Al-Habash, Jing Xu, Arnaud Delaval, R. Glenn Sellar, Ronald Phillips, Larry Andrews, C. Martin Stickley

Proceedings Volume 3707, (1999) https://doi.org/10.1117/12.351393

KEYWORDS: Scintillation, Receivers, Probability theory, Data modeling, Wave propagation, Atmospheric propagation, Signal detection, Laser beam propagation, Statistical analysis, Atmospheric optics

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Proceedings Article | 26 April 1999 Paper

Experimental comparison of coherent array detection and conventional coherent detection for laser radar and communications

Jing Xu, Arnaud Delaval, R. Glenn Sellar, Ammar Al-Habash, Pete Reardon, Ronald Phillips, Larry Andrews

Proceedings Volume 3615, (1999) https://doi.org/10.1117/12.346203

KEYWORDS: Signal detection, Detector arrays, Receivers, Laser communications, Speckle, LIDAR, Telecommunications, Atmospheric turbulence, Turbulence, Scintillation

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Showing 5 of 13 publications

Conference Committee Involvement (7)

Atmospheric Propagation XIII

21 April 2016 | Baltimore, MD, United States

Atmospheric Propagation XII

23 April 2015 | Baltimore, MD, United States

Atmospheric Propagation XI

6 May 2014 | Baltimore, MD, United States

Atmospheric Propagation X

30 April 2013 | Baltimore, Maryland, United States

Atmospheric Propagation X

30 April 2013 | Baltimore, Maryland, United States

Showing 5 of 7 Conference Committees

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