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NEN EN ISO 11146-2 : 2005

Current

Current

The latest, up-to-date edition.

LASERS AND LASER-RELATED EQUIPMENT - TEST METHODS FOR LASER BEAM WIDTHS, DIVERGENCE ANGLES AND BEAM PROPAGATION RATIOS - PART 2: GENERAL ASTIGMATIC BEAMS

Published date

12-01-2013

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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Coordinate system
5 Test principles
   5.1 General
   5.2 Spatial second order moments of the Wigner
       distribution
   5.3 Second order moments of the Wigner distribution
   5.4 Derived quantities
6 Measurement arrangement and test equipment
   6.1 General
   6.2 Preparation
   6.3 Control of environment
   6.4 Detector system
   6.5 Beam-forming optics and optical attenuators
7 Measurement of the second order moments
   7.1 General
   7.2 Measurement of the second order moments of power
       density distributions
   7.3 Measurement of all second order moments of the Wigner
       distribution
8 Determination of effective beam propagation ratio
9 Determination of intrinsic astigmatism
10 Determination of the twist parameter
11 Test report
Bibliography

Provides methods for measuring beam widths (diameter), divergence angles and beam propagation ratios of laser beams.

DocumentType
Standard
PublisherName
Netherlands Standards
Status
Current

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