OPTICAL IMAGE-COMBINER OR GATE AND OPTICAL AND GATE USING BEAM FANNING EFFECT IN BATIO3 CRYSTALS

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/28242

Title:	OPTICAL IMAGE-COMBINER OR GATE AND OPTICAL AND GATE USING BEAM FANNING EFFECT IN BATIO3 CRYSTALS
Authors:	YAU,HF;LEE,HY;WANG,PJ
Contributors:	光電科學研究所
Keywords:	PHASE-CONJUGATION;SUBTRACTION;INTERFEROMETRY
Date:	1994
Issue Date:	2010-06-29 19:44:45 (UTC+8)
Publisher:	中央大學
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.
Relation:	OPTICAL ENGINEERING
Appears in Collections:	[Graduate Institute of Optics and Photonics] journal & Dissertation

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