NF EN ISO 7944

NF EN ISO 7944

December 2024
Standard Current

Optics and photonics - Reference wavelengths

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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Main informations

Collections

National standards and national normative documents

Publication date

December 2024

Number of pages

16 p.

Reference

NF EN ISO 7944

ICS Codes

17.180.01   Optics and optical measurements in general

Classification index

S10-020

Print number

1

International kinship

ISO 7944:2024

European kinship

EN ISO 7944:2024
Sumary
Optics and photonics - Reference wavelengths

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.

Replaced standards (1)
NF EN ISO 7944
November 1998
Standard Cancelled
Optics and optical instruments - Reference wavelengths

Dans la série de normes relatives à l'optique, le présent document concerne les longueurs d'onde pour lesquelles il fixe les valeurs de référence et les valeurs recommandées qui doivent être utilisées pour la caractérisation des matériels d'optique.

Table of contents
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Longueurs d'onde de référence, dispersions principales et nombres d'Abbe1 L'ISO 9802 donne les termes et définitions pour la dispersion principale et le nombre d'Abbe.
  • Bibliographie
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