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Determination of the Coordinates of the Center of a Gaussian Beam by Means of a Matrix Photodetector Using a Weighting Method

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Measurement Techniques Aims and scope

Abstract

A weighting algorithm to determine the coordinates of the center of a Gaussian laser beam projected onto a matrix photodetector is considered. The influence of the internal noise of the photodetector, the maximum brightness of the signal at the beam maximum, and the beam radius on the precision of the algorithm is investigated. Recommendations on image processing are presented.

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Authors
  1. E. V. Savchenko
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  2. L. A. Razumov
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  3. B. S. Rinkevicius
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Savchenko, E.V., Razumov, L.A. & Rinkevicius, B.S. Determination of the Coordinates of the Center of a Gaussian Beam by Means of a Matrix Photodetector Using a Weighting Method. Measurement Techniques 46, 1133–1137 (2003). https://doi.org/10.1023/B:METE.0000018721.24300.d2

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  • DOI: https://doi.org/10.1023/B:METE.0000018721.24300.d2

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