单模光纤相移DSPI测量二维面内位移的方法

OPTICAL FIBRE PHASE-STEPPING DSPI FOR MEASUREMENT OF 2-D IN-PLANE DISPLACEMENT

本文提出将相移技术应用于２－Ｄ面内位移场的分离，用单模光纤相移数字散斑干涉计量技术快速、定量地同时测量２－Ｄ面内位移场。

This paper describes an optical fibre digital speckle pattern interferometer which has been devised to measure 2-D in-plane displacement of polarisation preserving surface simultaneously, and phase-stepping technique has been used.