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Hadilou N, Siampoor H, Alavinejad M. Improvement of beam quality factor of Gaussian Schell-Model beams by using of phase aperture in a turbulent atmosphere . ICOP & ICPET _ INPC _ ICOFS 2014; 20 :857-860
URL: http://opsi.ir/article-1-347-en.html
URL: http://opsi.ir/article-1-347-en.html
Abstract: (5326 Views)
In this paper , the Wigner Distribution Function (WDF) has been used to study the beam propagation factor of Gaussian Schell-Model beams truncated by a phase aperture in a turbulent atmosphere.Based on the Huygens-Fresnel principle and using of the second-order moments of the WDF.The analytical formulas for the M2 factor of GSM beams truncated by a phase aperture in turbulent atmosphere have been drived. The M2 factor of mentioned beams have been discussed with numerical examples.It can be shown that the beam quality factor of GSM beams truncated by a phase aperture in turbulent atmosphere depends on the degree of global coherence of the source,beam wais,wavelength, and the phase delay of the circular phase aperture.The beam quality have been improved by using of phase aperture.
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