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Standard

SFS-EN ISO 11146-2

Withdrawn

Note: This standard has a new edition: SFS-EN ISO 11146-2:2021

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Abstract

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.

Document information

  • Standard from SFS-sähkö
  • Published:
  • Edition: 1
  • Document type: IS
  • Pages
  • Publisher SFS
  • Distributor SFS-sähkö
  • Technical Committee CEN/TC 123

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