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Proceedings Paper

Techniques for measuring the moments of laser beam irradiance distributions
Author(s): Michael W. Sasnett; Klaus Wittig
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Paper Abstract

Methods for determining the position and diameter of a laser beam are discussed. Of particular interest is a method that makes use of optical filters having transmittance that varies with one or more spatial coordinates. With the appropriate distribution of transmittance, a simple measurement of the fractional power transmitted by a particular filter can, after proper scaling, directly give beam position and beam diameter.

Paper Details

Date Published: 17 April 1995
PDF: 8 pages
Proc. SPIE 2375, Beam Control, Diagnostics, Standards, and Propagation, (17 April 1995); doi: 10.1117/12.206985
Show Author Affiliations
Michael W. Sasnett, Coherent, Inc. (United States)
Klaus Wittig, Univ. Stuttgart (Germany)

Published in SPIE Proceedings Vol. 2375:
Beam Control, Diagnostics, Standards, and Propagation
Lindsay W. Austin; Adolf Giesen; Daniel H. Leslie, Editor(s)

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