ISO 11146-1:2021

Lasers and laser-related equipment — Test methods for laser beam widths, divergence angles and beam propagation ratios — Part 1: Stigmatic and simple astigmatic beams

Publication date: Jul 2, 2021

General information

Current stage: 90.20 Effective date: Jan 15, 2026

Originator: ISO

Owner: ISO/TC 172/SC 9

Type: International Standard

ICS: 31.260

Languages: English French

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Status: Published

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Scope

This document specifies methods for measuring beam widths (diameter), divergence angles and beam propagation ratios of laser beams. This document is only applicable for stigmatic and simple astigmatic beams. If the type of the beam is unknown, and for general astigmatic beams, ISO 11146‑2 is applicable.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11146-1:2005

NOW

PUBLISHED
ISO 11146-1:2021
90.20 Standard under periodical review
Jan 15, 2026

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