HOLOGRAPHIC-INTERFEROMETRY USING -1-ORDER DIFFRACTION IN PHOTOREFRACTIVE BI12SIO20 AND BI12TIO20 CRYSTALS

被引:12
作者
SOCHAVA, SL [1 ]
TROTH, RC [1 ]
STEPANOV, SI [1 ]
机构
[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,BLACKETT LAB,APPL OPT SECT,LONDON SW7 2BZ,ENGLAND
关键词
D O I
10.1364/JOSAB.9.001521
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
First-order diffraction from thin crystals of photorefractive Bi12SiO20 and Bi12TiO20 is investigated for application to real-time holographic interferometry. Enhancement of the first-order diffracted beam is achieved through the application of a square-wave alternating electric field to the crystals. Results of the dependence of first-order diffraction on experimental parameters are presented and are discussed in relation to the limits that they impose on the design of a real-time holographic interferometer. The resultant interferometer is applied to produce double-exposure interferograms of a simple object.
引用
收藏
页码:1521 / 1527
页数:7
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