A REVIEW ON FREE SPACE OPTICAL COMMUNICATION
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Abstract
Free Space Optical Communication (FSO) is an emerging cost-efficient method of communication which uses light pulses (mainly lasers) to transmit data. This system has the advantages of high bandwidth, high data rate of 2.5 Gbps, easy installation and license-free spectrum. In spite of many of its benefits, it is very much dependent on weather conditions and gets degraded by atmospheric turbulence and scintillation. In this paper, we have given an overview on Free Space Optical Communication by including some literature survey based on some scholarly journals. The main working principle and setup of FSO system, and its performance under atmospheric turbulence have also been discussed. Also the advantages, disadvantages, applications, current researches going on and future scope of FSO communication have been mentioned.