Measurement of a Gaussian laser beam diameter through the direct inversion of knife-edge data
- 1 November 1983
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 22 (21) , 3406-3410
- https://doi.org/10.1364/ao.22.003406
Abstract
An inversion algorithm, involving a linear least-squares method, is developed to analyze the intensity data obtained by application of the traveling knife-edge method. Through use of simulated intensity data, diameters can be measured to an accuracy of 0.05%. The method also yields good results when it is applied to He–Ne laser beam data.Keywords
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