Spectrum changes of phase-locked partially coherent flat topped laser beam array propagating in turbulent atmosphere

Propagation of the phase-locked partially coherent flat topped laser beam array trough turbulent media is studied in details. Concentrating on critical radius as an important designing factor, effects of coherence length, beamlet distance and flat topped degree on this parameter are discussed. Also...

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Bibliographic Details
Published in:Optik (Stuttgart) 2013-08, Vol.124 (15), p.2135-2139
Main Authors: Razzaghi, D., Hajiesmaeilbaigi, F., Alavinejad, M.
Format: Article
Language:English
Subjects:
Arrays
Atmospheres
Coherence
Flat topped laser beam
Fluid dynamics
Laser beams
Media
Phase-locked array beam
Propagation
Turbulence
Turbulent atmosphere
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Summary:Propagation of the phase-locked partially coherent flat topped laser beam array trough turbulent media is studied in details. Concentrating on critical radius as an important designing factor, effects of coherence length, beamlet distance and flat topped degree on this parameter are discussed. Also geometrical shape of the array is shown to be important by comparing circular and rectangular shapes.
ISSN:0030-4026
1618-1336
DOI:10.1016/j.ijleo.2012.08.003