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ISO 7944:2024

Optics and photonics — Reference wavelengths ISO 7944:2024

Publication date:   Nov 22, 2024

General information

60.60 Standard published   Nov 22, 2024

ISO

ISO/TC 172 Optics and photonics

International Standard

17.180.01   Optics and optical measurements in general

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Scope

This document specifies reference wavelengths to be used for the characterization of optical materials, optical systems and instruments, and ophthalmic lenses. It defines the associated principal refractive indices and principal dispersions, as well as the Abbe numbers with regard to these reference wavelengths and principal dispersions.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 7944:1998

WITHDRAWN
ISO 7944:1998/Cor 1:2009

NOW

PUBLISHED
ISO 7944:2024
60.60 Standard published
Nov 22, 2024