Acta Optica Sinica, Volume. 12, Issue 1, 67(1992)

Correlation properties of dynamic speckles doubly-scattered in an imaging system and their application

[in Chinese]1, [in Chinese]1, [in Chinese]1, and [in Chinese]2
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  • 1[in Chinese]
  • 2[in Chinese]
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    After propagating through two diffusers (with one moving) placed on the two conjugate planes of an imaging system, a Gaussian beam is modulated randomly to form a dynamic cascade speckle field in the Fresnel zone with respect to the image plane. Both theoretical analysis and experimental results indicate that the linear dependence of the reciprocal of the time-correlation length on the velocity of the moving diffuser is still held in this case. Moreover, the time-space correlation function of the speckle field is more sensitive to the motion of the diffuse than that of single-scattered speckle.

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    [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Correlation properties of dynamic speckles doubly-scattered in an imaging system and their application[J]. Acta Optica Sinica, 1992, 12(1): 67

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    Paper Information

    Category: Fourier optics and signal processing

    Received: Dec. 10, 1990

    Accepted: --

    Published Online: Sep. 11, 2007

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