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Proceedings Paper

Measurement and modeling of the effects of atmospheric turbulence on coherent laser propagation characteristics and FSO system performance
Author(s): Jian Zhou; Wei Lu; Jianfeng Sun; Liren Liu
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Paper Abstract

We investigate the random phase fluctuations of coherent laser propagate through the turbulent atmosphere, and introduce a model of its impact on optical heterodyne reception free space coherent laser optical communication (FSO) system. A polarization based shearing interferometer is used to detect the distorted laser wave-front and reconstruct the wave-front after propagate through a 1Km near-ground atmospheric channel. Further, the heterodyne efficiency of the heterodyne reception system would be given under special consideration of the mismatch between the signal field and the local oscillator. By analyzing the heterodyne efficiency data and the real-time atmospheric coherence length data, a mathematical model of the effects of atmospheric turbulence on FSO system performance is given.

Paper Details

Date Published: 25 September 2013
PDF: 6 pages
Proc. SPIE 8874, Laser Communication and Propagation through the Atmosphere and Oceans II, 887415 (25 September 2013); doi: 10.1117/12.2022980
Show Author Affiliations
Jian Zhou, Shanghai Institute of Optics and Fine Mechanics (China)
Wei Lu, Shanghai Institute of Optics and Fine Mechanics (China)
Jianfeng Sun, Shanghai Institute of Optics and Fine Mechanics (China)
Liren Liu, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 8874:
Laser Communication and Propagation through the Atmosphere and Oceans II
Alexander M. J. van Eijk; Christopher C. Davis; Stephen M. Hammel, Editor(s)

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