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20 November 1996 Laser beam variance measurements using a parabolic transmission filter
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Proceedings Volume 2870, Third International Workshop on Laser Beam and Optics Characterization; (1996) https://doi.org/10.1117/12.259906
Event: Third International Workshop on Laser Beam and Optics Characterization, 1996, Quebec City, Canada
Abstract
We report preliminary experimental results on the use of a filter with a parabolic transmission profile for a direct measurement of the spatial variance of the intensity distribution of a laser beam. It is shown that by recording, at various planes, the maximum transmitted power through such a filter, one can characterize the beam without having to determine the corresponding intensity profiles. A simple parabolic fit of the data allows the determination of the required parameters for a second-moment-based beam characterization.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. Plante, Claude Pare, Pierre-Andre Belanger, Yves Champagne, J. M. Trudeau, Michel Morin, and Peter Ehbets "Laser beam variance measurements using a parabolic transmission filter", Proc. SPIE 2870, Third International Workshop on Laser Beam and Optics Characterization, (20 November 1996); https://doi.org/10.1117/12.259906
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