Abstract
Among many Gaussian laser beam diameter measurement techniques, a relatively fast and inexpensive technique is provided by the use of ruling1, 2 where a Gaussian beams scans the ruling and a detector placed directly on the other side is used to detect the maximum and the minimum transmitted power through the ruling. The ratio Pmin/Pmax is found to be a function of the ratio rO/L (beam radius to ruling period).
© 1992 Optical Society of America
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