Scintillation measurements of broadband 980-nm laser light in clear air turbulence

Frederic M. Davidson; Stephane Bucaille; G. Charmaine Gilbreath; Eun Oh

doi:10.1117/12.504863

27 January 2004 Scintillation measurements of broadband 980-nm laser light in clear air turbulence

Frederic M. Davidson, Stephane Bucaille, G. Charmaine Gilbreath, Eun Oh

Proceedings Volume 5160, Free-Space Laser Communication and Active Laser Illumination III; (2004) https://doi.org/10.1117/12.504863
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Free-space atmospheric direct detection optical communication at 980 nm with multiple quantum well retro-reflectors is attractive because of the availability of high power, good beam quality 980 nm laser diodes as transmitters and very low noise silicon avalanche photodiodes for use in the receivers. The paper will report the results of measurements of intensity fading statistics for broadband, low coherence volume 980 nm laser sources. In addition, results of measurement of both intensity spatial correlation lengths and optical field spatial correlation lengths will be described. The former determines receiver performance and the latter the optimal positioning of arrays of MQW retro-reflectors to make best use of the spatial diversity of the atmospheric channel.

Citation Download Citation

Frederic M. Davidson, Stephane Bucaille, G. Charmaine Gilbreath, and Eun Oh "Scintillation measurements of broadband 980-nm laser light in clear air turbulence", Proc. SPIE 5160, Free-Space Laser Communication and Active Laser Illumination III, (27 January 2004); https://doi.org/10.1117/12.504863

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