British Standards Institution

Source:: ISO
Committee:: CPW/172 - Optics and Photonics
Categories:: Optical equipment
Comment period start date:: 24/12/2024
Comment period end date:: 16/02/2025
Number of comments:: 0

Comment by:

16th Feb

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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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

21/08/2024

3. Public Comments

Public Comments start date:

24/12/2024

Public Comments end date:

16/02/2025

Learn more about the standards development process

Standards Development

BS ISO 6760-1 ISO 6760-1 Optics and photonics. Test method for temperature coefficient of refractive index of optical glasses. Part 1: Minimum deviation method

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