Abstract
Keywords: Free space optical communications; Optical switching devices; Fiber array; Space division multiplexing access. Abstract. This project about how to implement space division multiplexing access technology in free space optical communication is presented. It works in fixed beams switching mode and consists of optical lens based on fiber array of focal plane and optical matrix switch. Based on angle, by setting up the gateway of optical switch, optical matrix switch actualizes the tracking receiving of user's beam and multi-beam directional transmission and continuous tracking. At the same time, Optical lens designed with big field of view by ZEMAX. The feasibility and performance of the coupling of lens was simulated study. It validates the qualitative feasibility of the technology.
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