Suppression of speckle fluctuations in a coherent image

Leonid M. Veselov; Ivan A. Popov

doi:10.1117/12.155065

3 September 1993 Suppression of speckle fluctuations in a coherent image

Leonid M. Veselov, Ivan A. Popov

Proceedings Volume 1978, Coherent Measuring and Data Processing Methods and Devices; (1993) https://doi.org/10.1117/12.155065
Event: Coherent Measuring and Data Processing Methods and Devices: Selected Papers, 1993, Bellingham, WA, United States

Abstract

Fluctuations in an image generated by a scanning coherent beam are suppressed by using a focused converging beam. The small-scale speckle structure in the optically resolvable element is averaged by low frequency filtering.

Citation Download Citation

Leonid M. Veselov and Ivan A. Popov "Suppression of speckle fluctuations in a coherent image", Proc. SPIE 1978, Coherent Measuring and Data Processing Methods and Devices, (3 September 1993); https://doi.org/10.1117/12.155065

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