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ISO 13694:2026

Optics and photonics — Lasers and laser-related equipment — Test methods for laser beam irradiance (fluence) distribution

Jul 7, 2026

General information

60.60     Jul 7, 2026

ISO

ISO/TC 172/SC 9

International Standard

31.260  

English   French  

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 13694:2018

NOW

PUBLISHED
ISO 13694:2026
60.60 Standard published
Jul 7, 2026