Abstract
In this paper, 2X2 holographic lens array with symmetrical focuses was used for realizing PS optical interconnection. All cases with virtual focus, real focus imaging system and corresponding system after inserting imaging lens were carefully analyzed. The imaging distance and magnification are given, and the edge obscurity problem of PS imaging was analyzed, the object distance condition to gain clear image was obtained. The derivation and analysis indicated: The 2x2 holographic lens array with r = (1-1/2N)d/2 could not realize PS. After inserting imaging lens, the imaging distance and magnification of the system are closely in keeping with the position of focuses. In the case of real focus imaging fashion, when object distance ut=(1-1/2N)dfH/(2r), holographic lens array could gain clear PS images. The experiments proved correctness of the formulae.
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