ISO 6760-1:2025
International Standard
Current Edition
·
Approved on
14 July 2025
Optics and photonics — Test method for temperature coefficient of refractive index of optical glasses — Part 1: Minimum deviation method
ISO 6760-1:2025 Files
English
24 Pages
Current Edition
61.54 BHD
ISO 6760-1:2025 Scope
This document specifies the measurement method used for calculating the temperature coefficient of the refractive index by measuring the refractive index, which changes with the temperature of the optical glass using the minimum deviation method.
The intended temperature range for the specified measurement method is –40 °C to +80 °C.
The intended wavelength range for the specified measurement method is 365 nm to 1 014 nm.
The intended accuracy for the specified measurement method is 1 × 10-6 K-1.
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