Techniques for measuring the moments of laser beam irradiance distributions

Michael W. Sasnett; Klaus Wittig

doi:10.1117/12.206985

17 April 1995 Techniques for measuring the moments of laser beam irradiance distributions

Michael W. Sasnett, Klaus Wittig

Proceedings Volume 2375, Beam Control, Diagnostics, Standards, and Propagation; (1995) https://doi.org/10.1117/12.206985
Event: Photonics West '95, 1995, San Jose, CA, United States

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.

Citation Download Citation

Michael W. Sasnett and Klaus Wittig "Techniques for measuring the moments of laser beam irradiance distributions", Proc. SPIE 2375, Beam Control, Diagnostics, Standards, and Propagation, (17 April 1995); https://doi.org/10.1117/12.206985

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