Method for Measuring Two-Dimensional Location and Broadness of a Laser Beam.
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概要
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In measurement using a laser, it is often necessary to determine the location and broadness of the light intensity distribution curve of the laser beam. A new method was proposed for determining the two-dimensional (2-D) location and broadness of the intensity distribution curve of a laser beam using the location of the main axis and standard deviation of the 2-D Gaussian function which was determined from measured intensities by the least squares method. The equations were derived for rapidly calculating the 2-D Gaussian function, together with the location of its main axis and standard deviation. As an example of the use of this method, the intensity distribution of a He-Ne laser beam was obtained with a CCD camera, and the 2-D Gaussian function, together with the location of its main axis and standard deviation, was determined from these equations.
- 一般社団法人 日本機械学会の論文
一般社団法人 日本機械学会 | 論文
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