Standard No.:	GB/T 42657-2023
English Name:	Test method of temperature coefficient of infrared refractive index for infrared optical glass―Normal incidence method
Chinese Name:	红外光学玻璃红外折射率温度系数测试方法 垂直入射法
Chinese Classification:	Q37    Special glass
Professional Classification:	GB    National Standard
ICS Classification:	81.040.30 81.040.30    Glass products 81.040.30
Issued by:	SAMR; SAC
Issued on:	2023-08-06
Implemented on:	2024-3-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	225.00
Delivery:	via email in 1~3 business day

本文件描述了红外光学玻璃红外折射率温度系数的测试原理，规定了测试仪器、样品、环境要求、测试步骤、数据处理和测试报告。
本文件适用于红外光学玻璃的2 μm～13 μm波段折射率温度系数测试，其他红外光学材料的折射率温度系数测试可参照使用。