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ICOP & ICPET 2017, 23 - : 457-460 Back to browse issues page
Experimental Investigation of Optical Turbulence Effects on the Laser Beam Propagation through Underwater Communication Link
Masoud Yousefi * 1, Fatemeh Dabbagh Kashani Dr, Amir Aghajani , Mohammad Reza Hedayati Rad
Abstract:   (935 Views)

In this paper, regarding the importance of investigation of optical turbulence limiting effects on laser beam propagation through water, and thus on the performance of underwater wireless optical communication systems, the effect of refractive index fluctuations resulting from temperature fluctuations on some of the most important underwater communication link parameters such as the average received power, Signal-to-Noise Ratio (SNR) and normalized power variance (Scintillation index) has been investigated empirically. The experimental results indicate that the temperature fluctuations in water refractive index variations related to atmospheric have greater impact on the parameters of the communication link. Increasing the distance of the turbulence screen generated by temperature fluctuations from the transmitter plane, scintillation index decreased and therefore, SNR increases. Also, increasing aperture diameter of the receiver optics reduces the normalized power variance and therefore increases the SNR.

Keywords: Laser beam propagation through turbulence, SNR, Scintillation index, Underwater optical communication
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Type of Study: Research | Subject: Special
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Yousefi M, Dabbagh Kashani F, Aghajani A, Hedayati Rad M R. Experimental Investigation of Optical Turbulence Effects on the Laser Beam Propagation through Underwater Communication Link. ICOP & ICPET. 2017; 23 :457-460
URL: http://opsi.ir/article-1-1174-en.html


Volume 23 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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