Dynamic measurement of displacement with phase-shifting technique

Yueguang Lu; Andrew Peter Doel; David D. Walker; Xia Zhao

doi:10.1117/1.1579489

1 July 2003 Dynamic measurement of displacement with phase-shifting technique

Yueguang Lu, Andrew Peter Doel, David D. Walker, Xia Zhao

Optical Engineering, Vol. 42, Issue 7, (July 2003). https://doi.org/10.1117/1.1579489

A simple spatial phase-shifting setup that uses a tiled mirror and a cat's-eye retroreflector is presented. It can be used in displacement measurement when high speed and accuracy are required. An experiment is carried out to demonstrate the feasibility of the method. A root mean square (rms) accuracy of better than 5 deg is obtained in ordinary circumstance. The system errors are also studied briefly.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Yueguang Lu, Andrew Peter Doel, David D. Walker, and Xia Zhao "Dynamic measurement of displacement with phase-shifting technique," Optical Engineering 42(7), (1 July 2003). https://doi.org/10.1117/1.1579489

Published: 1 July 2003

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