Dr. Yousef K. Chahine Profile

Dr. Yousef K. Chahine

at NASA Glenn Research Ctr

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Author

Publications (3)

Proceedings Article | 2 March 2020 Paper

Beam propagation through atmospheric turbulence using an altitude-dependent structure profile with non-uniformly distributed phase screens

Yousef Chahine, Sarah Tedder, Brian Vyhnalek, Adam Wroblewski

Proc. SPIE. 11272, Free-Space Laser Communications XXXII

KEYWORDS: Wave propagation, Turbulence, Scintillation, Atmospheric propagation, Beam propagation method, Atmospheric optics

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Proceedings Article | 2 March 2020 Paper

Acousto-optic modulator for emulating atmospheric fade in free-space optical communication systems

Evan Katz, Yousef Chahine, Brian Vyhnalek, Sarah Tedder

Proc. SPIE. 11272, Free-Space Laser Communications XXXII

KEYWORDS: Signal attenuation, Receivers, Telecommunications, Turbulence, Optical simulations, Atmospheric propagation, Atmospheric modeling, Atmospheric optics

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Proceedings Article | 2 March 2020 Presentation + Paper

Measurements of few-mode fiber photonic lanterns in emulated atmospheric conditions for a low earth orbit space to ground optical communication receiver application

Sarah Tedder, Bertram Floyd, Yousef Chahine, Benjamin Croop, Brian Vyhnalek, Christopher Betters, Sergio Leon-Saval

Proc. SPIE. 11272, Free-Space Laser Communications XXXII

KEYWORDS: Telescopes, Sensors, Receivers, Single mode fibers, Turbulence, Earth's atmosphere, Atmospheric propagation, Atmospheric modeling, Atmospheric optics

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