PHASE-STEPPING AUTOMATIC FRINGE ANALYSIS IN HOLOGRAPHIC MOIRE

被引:3
|
作者
SIMOVA, ES [1 ]
STOEV, KN [1 ]
机构
[1] BULGARIAN ACAD SCI, INST NUCL ENERGY & NUCL RES, BU-1784 SOFIA, BULGARIA
关键词
AUTOMATIC FRINGE PATTERN ANALYSIS; PHASE-STEPPING INTERFEROMETRY; HOLOGRAPHIC MOIRE;
D O I
10.1364/AO.31.005965
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The phase-stepping technique is used to analyze holographic moire patterns. This new application permits the instantaneous determination of phase functions in both moire and carrier fringes. Two modified phase-stepping self-calibrating techniques are proposed and demonstrated on computer-generated noisy moire patterns. The techniques do not complicate the holographic moire arrangement and do not need auxiliary carrier fringes. A holographic moire interferometer that has been adapted for these phase-stepping techniques is proposed.
引用
收藏
页码:5965 / 5974
页数:10
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