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shamsipour N, mobashery A, mosavi A, moradi M. Experimental comparison of optical turbulence strength measurements by means of angle of arrival and beam scintillation methods. ICOP & ICPET _ INPC _ ICOFS 2017; 23 :901-904
URL: http://opsi.ir/article-1-1381-en.html
URL: http://opsi.ir/article-1-1381-en.html
Abstract: (2990 Views)
Optical turbulence reduces the imaging and laser communication qualities. Various methods have been proposed for measuring the optical turbulence strength. In this article, two methods of angle of arrival fluctuation and beam intensity fluctuation have been used for the measurement of refractive index structure constant. Optical turbulence has been simulated by means of phase screens. In order to make phase screen, a hair spray was sprayed on glass plates. Our measurements show that despite differences in the source and description of these two methods, the values obtained for the refractive index structure constant are equal
Keywords: optical turbulence, phase screen, gamma- gamma probability distribution function, refractive index structure constant, angle of arrival
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