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GB/T 42657-2023 Active
GB/T 42657-2023 Test method of temperature coefficient of infrared refractive index for infrared optical glass—Normal incidence method
Abstract
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.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 42657-2023 |
| CCS | Special glass |
| ICS | \nGlass products |
| Implement Date | 2024-03-01 |
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