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Optical Engineering

Periodic exponential ruling for the measurement of Gaussian laser beam diameters
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Paper Abstract

The spot size measurement of a Gaussian laser beam is extended to wide dynamic range through the formulation of a novel exponential grating. It is found that the exponential grating provides accurate measurement for both extremely small and large Gaussian beam diameters and proves to be superior to Ronchi, triangular, and sinusoidal rulings.

Paper Details

Date Published: 1 May 1993
PDF: 5 pages
Opt. Eng. 32(5) doi: 10.1117/12.130251
Published in: Optical Engineering Volume 32, Issue 5
Show Author Affiliations
Abdallah K. Cherri, Univ. of Michigan/Dearborn (Kuwait)
Abdul Ahad Sami Awwal, Wright State Univ. (United States)

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