ISO 6760-2

Optics and photonics — Test method for temperature coefficient of refractive index of optical glasses — Part 2: Interferometric method ISO 6760-2

Scope

This document specifies the measurement method of reading the change in optical path length associated with the change in optical glass temperature as the number of cycles of the interference stripe light-dark change using the interferometry, and calculating the temperature coefficient of the refractive index from the change in optical path length.