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Proceedings Paper

Two-Scatter-Plate Integrator To Reduce Speckle Noise
Author(s): Richard F. Horton
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Paper 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.

Paper Details

Date Published: 15 November 1979
PDF: 9 pages
Proc. SPIE 0196, Measurements of Optical Radiations, (15 November 1979); doi: 10.1117/12.957969
Show Author Affiliations
Richard F. Horton, Naval Research Laboratory (United States)


Published in SPIE Proceedings Vol. 0196:
Measurements of Optical Radiations
Harold P. Field; Edward F. Zalewski; Frederic M. Zweibaum, Editor(s)

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