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    I.S. EN ISO 11146-2:2005

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    LASERS AND LASER-RELATED EQUIPMENT - TEST METHODS FOR LASER BEAM WIDTHS, DIVERGENCE ANGLES AND BEAM PROPAGATION RATIOS - PART 2: GENERAL ASTIGMATIC BEAMS

    Available format(s):  Hardcopy, PDF

    Superseded date:  14-08-2021

    Language(s):  English

    Published date:  01-01-2005

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

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

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO/TR 11146-3:2004 Lasers and laser-related equipment Test methods for laser beam widths, divergence angles and beam propagation ratios Part 3: Intrinsic and geometrical laser beam classification, propagation and details of test methods
    ISO 11146-1:2005 Lasers and laser-related equipment Test methods for laser beam widths, divergence angles and beam propagation ratios Part 1: Stigmatic and simple astigmatic beams
    ISO 11145:2016 Optics and photonics Lasers and laser-related equipment Vocabulary and symbols
    IEC 61040:1990 Power and energy measuring detectors, instruments and equipment for laser radiation
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