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ISO 7944:2024

Optics and photonics — Reference wavelengths

General information

Valid from 22.11.2024
Directives or regulations
None

Standard history

Status
Date
Type
Name
22.11.2024
Main
11.06.1998
Main
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.

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