Two-Scatter-Plate Integrator To Reduce Speckle Noise

Richard F. Horton

doi:10.1117/12.957969

15 November 1979 Two-Scatter-Plate Integrator To Reduce Speckle Noise

Richard F. Horton

Proceedings Volume 0196, Measurements of Optical Radiations; (1979) https://doi.org/10.1117/12.957969
Event: 23rd Annual Technical Symposium, 1979, San Diego, United States

Abstract

Long path atmospheric laser transmission measurements require the precise measurement of the radiant energy of laser beams after they have been turbled by the atmosphere. This requires a detector/integrator package with very uniform response and low speckle noise. A two scatter plate device has been fabricated for use with a lmm square cryogenic infrared detector. CO2 laser measurements have been made which verify the uniformity of response and low speckle noise. Absolute accuracies of better than 1% RMS are achieved with this device. The device is augmented with a Si Diode and allows atmospheric transmission measurements to be carried out for lasers in the wavelength range of 0.6 to 11.2 microns.

Citation Download Citation

Richard F. Horton "Two-Scatter-Plate Integrator To Reduce Speckle Noise", Proc. SPIE 0196, Measurements of Optical Radiations, (15 November 1979); https://doi.org/10.1117/12.957969

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