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Volume 13, Issue 2 (International Journal of Optics and Photonics (IJOP) Vol 13, No 2, Summer-Fall 2019)
IJOP 2019, 13(2): 145-154 |
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Tadayoni S, Shayganmanesh M. Investigation of Coherent and Incoherent Laser Beams Propagation Through Turbulent Atmosphere. IJOP 2019; 13 (2) :145-154
URL: http://ijop.ir/article-1-379-en.html
URL: http://ijop.ir/article-1-379-en.html
1- Department of Physics, Iran University of Science and Technology
Abstract: (3750 Views)
In this paper propagation of combined laser beam through atmosphere is investigated. Laser beam is combined via lens array arrangement. Turbulence is considered as an affecting factor of atmosphere and its effects on transverse coherence length (Fried parameter), peak intensity, propagation efficiency, and spot size of the laser beam is investigated. Coherent and incoherent combined beam are compared. It was seen that irrespective of laser beam quality in weak and medium turbulence levels, propagation efficiency parameter in coherent and incoherent beam combining has almost the same values. Therefore replacing incoherent beam combination with coherent is proposed.
Type of Study: Research |
Subject:
Special
Received: 2019/02/8 | Revised: 2019/04/29 | Accepted: 2019/06/29 | Published: 2019/12/27
Received: 2019/02/8 | Revised: 2019/04/29 | Accepted: 2019/06/29 | Published: 2019/12/27
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