Statistical properties of triple-random-modulated dynamic speckles

被引：3
|
作者：
Sun, H [1 ]
Zhang, LY
Liu, Y
Ma, SN
机构：
[1] Tsing Hua Univ, Dept Modern Appl Phys, Beijing 100084, Peoples R China
[2] CCAST, World Lab, Beijing 100080, Peoples R China
[3] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
[4] Tianjin Univ, Dept Appl Phys, Tianjin 300072, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1999年 / 16卷 / 06期
关键词：
D O I：
10.1364/JOSAA.16.001387
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Statistical properties of triple-random-modulated dynamic speckles (TRMDS) are studied theoretically and experimentally. The spatiotemporal correlation function of the intensity fluctuation of the speckles is obtained; it is a Gaussian distribution. The correlation time is inversely proportional to the velocity of the moving diffuser. The average radius of TRMDS is smaller than that of single-random-modulated dynamic speckles (SRMDS). The correlation time of SRMDS is approximately 70-80 times longer than that of TRMDS. The theoretical results are consistent with the experimental results. (C) 1999 Optical Society of America [S0740-3232(99)01306-X] OCIS codes: 030.6140, 030.6600, 030.1640, 290.5880, 290.4210.
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页码：1387 / 1394
页数：8
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