A laser speckle reduction system

Joshua M. Cobb; Paul Michaloski

doi:10.1117/12.896811

21 September 2011 A laser speckle reduction system

Joshua M. Cobb, Paul Michaloski

Proceedings Volume 8170, Illumination Optics II; 81700D (2011) https://doi.org/10.1117/12.896811
Event: SPIE Optical Systems Design, 2011, Marseille, France

Abstract

Speckle degrades the contrast of the fringe patterns in laser interferometers that measure rough objects. In this paper, we describe a speckle reduction system that can be used with high speed cameras to increase the frame rates of the interferometer and creates less vibration in the system.

Citation Download Citation

Joshua M. Cobb and Paul Michaloski "A laser speckle reduction system", Proc. SPIE 8170, Illumination Optics II, 81700D (21 September 2011); https://doi.org/10.1117/12.896811

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