DOUBLE-PULSE SUBTRACTION TV HOLOGRAPHY

被引：48

作者：

SPOOREN, R

机构：

来源：

OPTICAL ENGINEERING | 1992年 / 31卷 / 05期

关键词：

TV HOLOGRAPHY; ELECTRONIC SPECKLE PATTERN INTERFEROMETRY; PULSED LASERS; CHARGE-COUPLED DEVICES;

D O I：

10.1117/12.56149

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The fringe visibility in pulsed subtraction and addition TV holography is described and compared. Correlation fringe patterns, obtained by conventional double-pulse addition TV holography, are characterized by their relatively poor quality. The fringe visibility is significantly improved by applying subtraction in combination with the double-pulse technique. This is achieved by using a standard interline transfer CCD camera. Double-pulse subtraction TV holography is especially useful for subfringe measurements, and vibration amplitudes of less than lambda/50 have been detected on raw double-pulse subtraction interferograms.

引用

页码：1000 / 1007

页数：8

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