90.93 Standard confirmed Nov 10, 2023
ISO
ISO/TC 172/SC 3 Optical materials and components
International Standard
37.020 Optical equipment
This document specifies the principle, apparatus, condition, sample, procedure and data processing of measuring homogeneity of infrared optical materials.
It is applicable to the determination of homogeneity of infrared optical materials, such as infrared optical glass, infrared crystals and infrared ceramics, which are opaque to visible wavelengths and whose transmission optical spectra are beyond 0,78 µm.
PUBLISHED
ISO 19740:2018
90.93
Standard confirmed
Nov 10, 2023