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ISO 11146-2:2021

Current Revision

Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 2: General astigmatic beams

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This document specifies methods for measuring beam widths (diameter), divergence angles and beam propagation ratios of laser beams. This document is applicable to general astigmatic beams or unknown types of beams. For stigmatic and simple astigmatic beams, ISO 11146‑1 is applicable.

Within this document, the description of laser beams is accomplished by means of the second order moments of the Wigner distribution rather than physical quantities such as beam widths and divergence angles. However, these physical quantities are closely related to the second order moments of the Wigner distribution. In ISO/TR 11146‑3, formulae are given to calculate all relevant physical quantities from the measured second order moments.


SDO ISO: International Organization for Standardization
Document Number ISO 11146
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 172/SC 9
Publish Date Document Id Type View
Not Available ISO 11146-2:2021 Revision