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ISO 11146-2:2005

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

95.99 Withdrawal of Standard   Jul 2, 2021

General information

95.99     Jul 2, 2021

ISO

ISO/TC 172/SC 9

International Standard

31.260  

Scope

ISO 11146-2:2005 specifies methods for measuring beam widths (diameter), divergence angles and beam propagation ratios of laser beams. ISO 11146-2:2005 is applicable to general astigmatic beams or unknown types of beams. For stigmatic and simple astigmatic beams, ISO 11146-1 is applicable.
Within ISO 11146-2:2005, 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.

Life cycle

NOW

WITHDRAWN
ISO 11146-2:2005
95.99 Withdrawal of Standard
Jul 2, 2021

REVISED BY

ABANDON
ISO/NP 11146-2

PUBLISHED
ISO 11146-2:2021

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