Optical image-combiner OR gate and optical AND gate using beam fanning effect in BaTiO3 crystals

Hon-Fai Yau; Hsiao-Yi Lee; Peir-Jyh Wang

doi:10.1117/12.183392

1 December 1994 Optical image-combiner OR gate and optical AND gate using beam fanning effect in BaTiO₃ crystals

Hon-Fai Yau, Hsiao-Yi Lee, Peir-Jyh Wang

Author Affiliations +

Optical Engineering, Vol. 33, Issue 12, (December 1994). https://doi.org/10.1117/12.183392

Abstract

Making use of the beam fanning effect in a BaTiO₃ crystal, we propose two simple setups to perform the function of an optical image-combiner/OR-gate and an optical AND gate, respectively. The optical image combiner combines two patterns, mutually coherent or mutually incoherent, from two input channels into a single coherent one. Experimental results have shown that the response time of these devices ranges from 0.01 to 2.5 s. In the image-combiner/OR-gate device, three optical waves are involved. The first two carry the input signals into a 45-deg-cut BaTiO₃ crystal; the third one brings the output out of the BaTiO₃ crystal to the output plane. The AND-gate device, however, requires only two input beams.

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Hon-Fai Yau, Hsiao-Yi Lee, and Peir-Jyh Wang "Optical image-combiner OR gate and optical AND gate using beam fanning effect in BaTiO₃ crystals," Optical Engineering 33(12), (1 December 1994). https://doi.org/10.1117/12.183392

Published: 1 December 1994

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