GB/T 42657-2023 Active National standards

GB/T 42657-2023 Test method of temperature coefficient of infrared refractive index for infrared optical glass—Normal incidence method

Publish Date: 2023-08-06 Implement Date: 2024-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 42657-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Special glass

ICS Name: \nGlass products

Publish Date: 2023-08-06

Implement Date: 2024-03-01

Pages: 12 pages

Scope

This document describes the testing principle of the infrared refractive index temperature coefficient of infrared optical glass, and specifies the testing instruments, samples, environmental requirements, testing steps, data processing, and testing reports.
This document is applicable to the refractive index temperature coefficient testing of infrared optical glass in the wavelength range of 2 μm to 13 μm. The refractive index temperature coefficient testing of other infrared optical materials can be used for reference.