Influence of different propagation paths on the propagation of laser in atmospheric turbulence

The analytical expressions for the average intensity, root mean square (RMS) beam width and angular spread of Gaussian Schell-model (GSM) beams propagating under slant atmospheric turbulence are derived, and they are used to study the influence of different propagation paths on the propagation of la...

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Bibliographic Details
Published in:Optoelectronics letters 2013-11, Vol.9 (6), p.477-480
Main Authors: Duan, Mei-ling, Li, Jin-hong, Wei, Ji-lin
Format: Article
Language:English
Subjects:
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
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Summary:The analytical expressions for the average intensity, root mean square (RMS) beam width and angular spread of Gaussian Schell-model (GSM) beams propagating under slant atmospheric turbulence are derived, and they are used to study the influence of different propagation paths on the propagation of laser beams in atmospheric turbulence. It is shown that under the same condition, the influence of atmospheric turbulence along a downlink path on the GSM beam propagation is the smallest among the three paths. Therefore, the downlink propagation is more beneficial to the beam propagation through atmospheric turbulence compared with the uplink propagation and horizontal propagation.
ISSN:1673-1905
1993-5013
DOI:10.1007/s11801-013-3136-x