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本文叙述了在现有普通光学测试设备基础上,利用自准直法,快速、简便地测定光学材料在近红外和近紫外光谱区折射率的过程,其测量精度达到1×10~(-4)。对目前光学系统设计中采用几个比较普通的计算红外光谱区折射率的经验公式进行了讨论。
This paper describes the rapid and simple determination of the refractive index of optical materials in the near infrared and near ultraviolet regions by the self - collimation method based on the existing common optical test equipment. The measurement accuracy reaches 1 × 10 ~ (-4) ). In the current design of optical system, several common empirical formulas for calculating the refractive index in the infrared spectral region are discussed.