International Standard
ISO 13694:2026
Optics and photonics — Lasers and laser-related equipment — Test methods for laser beam irradiance (fluence) distribution
Reference number
ISO 13694:2026
Edition 4
2026-07
© ISO 2026
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Published (Edition 4, 2026)

ISO 13694:2026

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Abstract

This document specifies methods by which the measurement of irradiance (fluence) distribution is made and specifies parameters for the characterization of the spatial properties of laser irradiance (fluence) distribution functions at a given plane.

The methods given in this document are intended to be used for the testing and characterization of both continuous wave (cw) and pulsed laser beams used in optics and optical instruments.

This document provides definitions of terms and symbols to be used in referring to irradiance distribution, as well as requirements for its measurement. For pulsed lasers, the distribution of time-integrated irradiance (i.e. radiant exposure) is the quantity most often measured.

General information

  • Status
     : Published
    Publication date
     : 2026-07
    Stage
    : International Standard published [60.60]
  • Edition
     : 4
    Number of pages
     : 18
  • Technical Committee :
    ISO/TC 172/SC 9
    ICS :
    31.260 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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