New holographic system for measuring vibration

Yun-Liang Cai

doi:10.1117/12.57473

1 December 1991 New holographic system for measuring vibration

Yun-Liang Cai

Proceedings Volume 1554, Second International Conference on Photomechanics and Speckle Metrology; (1991) https://doi.org/10.1117/12.57473
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

A new holographic system for measuring 3D amplitude field of the opaque object is proposed. This system has the single reference beam and the three object beams of spatial distribution, and the three overlapping time- average holograms used for analyzing amplitude are recorded on the same plate with the help of the rotation unit of the plate. The related analytical formulas are derived in accordance with the property of the surface shape of the measured object and the optical system designed. Experimental results are given.

Citation Download Citation

Yun-Liang Cai "New holographic system for measuring vibration", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.57473

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