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delSRPS prEN ISO 11146-2:2020

Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 2: General astigmatic beams (ISO 11146-2:2021)

Опште информације

40.98     14. 7. 2020.

ISS

Z172

Европски стандард

31.260  

Апстракт

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.

Животни циклус

ПРЕТХОДНО

ПОВУЧЕН
SRPS EN ISO 11146-2:2009

ТРЕНУТНО

НАПУШТЕН
delSRPS prEN ISO 11146-2:2020
40.98 Пројекат се брише из плана рада комисије за стандарде
14. 7. 2020.

Повезани пројекти

Идентичан са EN ISO 11146-2:2021

Идентичан са ISO 11146-2:2021 IDENTICAL