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Proceedings Paper

Double-exposure phase-shifting holography applied to particle velocimetry
Author(s): Tianshu Lai; Yushan Tan
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Paper Abstract

A double-exposure phase-shifting holography applied to particle velocimetry is proposed and analyzed theoretically in this paper. The background noise of the reconstructed particle image can be eliminated by means of the proposed holography so that the SNR of the image is increased significantly, which makes it easy for a computer to automatically analyze the reconstructed particle image. The experimental results of a simulated velocity field are given.

Paper Details

Date Published: 1 December 1991
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Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); doi: 10.1117/12.57443
Show Author Affiliations
Tianshu Lai, Univ. of Science and Technology of China (China)
Yushan Tan, Xi'an Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 1554:
Second International Conference on Photomechanics and Speckle Metrology
Fu-Pen Chiang; Fu-Pen Chiang, Editor(s)

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