Stepped strobe phase CAH technique for measuring vibration amplitude and phase

Gordon M. Brown; Thomas E. Allen; Shih-Emn Chen; Mark Moeller

doi:10.1117/12.140786

5 February 1993 Stepped strobe phase CAH technique for measuring vibration amplitude and phase

Gordon M. Brown, Thomas E. Allen, Shih-Emn Chen, Mark Moeller

Proceedings Volume 1755, Interferometry: Techniques and Analysis; (1993) https://doi.org/10.1117/12.140786
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

A new technique for measuring spatially dense vibration amplitude and phase using stepped optical phase dual reference double exposure or real time computer aided holometry (CAH) methods along with phase stepping of a strobed laser beam has been developed. The technique is called `stepped strobe phase' and is analogous to the `stepped optical phase' technique. The theory and experimental results are presented.

Citation Download Citation

Gordon M. Brown, Thomas E. Allen, Shih-Emn Chen, and Mark Moeller "Stepped strobe phase CAH technique for measuring vibration amplitude and phase", Proc. SPIE 1755, Interferometry: Techniques and Analysis, (5 February 1993); https://doi.org/10.1117/12.140786

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