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Proceedings Paper

Some analyses for slow velocity measurement of the diffuser by using dynamic laser speckle
Author(s): Y. Liu
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Paper Abstract

The velocity of a diffuser which moves very slowly has been measured on the basis of photon temporal autocorrelation. The experimental results show that the correlation time is proportional to the reverse of the velocity, which is quite in agreement on the theoretical prediction. In order to gain insight into the abilities and limitation of the measurement system, the nonideal effects in photon counting correlation are analysed in theory. KeyWords: PhotonCorrelation, DynamicSpeckle, Slow Velocity

Paper Details

Date Published: 1 July 1990
PDF: 3 pages
Proc. SPIE 1230, International Conference on Optoelectronic Science and Engineering '90, 12304B (1 July 1990); doi: 10.1117/12.2294792
Show Author Affiliations
Y. Liu, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 1230:
International Conference on Optoelectronic Science and Engineering '90
DaHeng Wang, Editor(s)

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