一种用于确定带吸收峰光学元件光学常数的方法
By preprocessing the optical elements and fitting the dispersion relationship using a multi-parameter fitting algorithm, the problem of absorption peaks affecting the determination of optical constants was solved, enabling accurate measurement of the optical constants of optical elements and supporting the fabrication of high-performance optical thin films.
CN117949171BActive Publication Date: 2026-07-17TIANFU XINGLONG LAKE LAB
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TIANFU XINGLONG LAKE LAB
- Filing Date
- 2024-04-02
- Publication Date
- 2026-07-17
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Figure CN117949171B_ABST
Abstract
本发明提供了一种用于确定带吸收峰光学元件光学常数的方法，属于光学元件测试技术领域，首先采用预处理技术对光学元件进行清洗处理，接着对光学元件光谱性能和厚度进行检测，依据光学元件光谱性能、厚度和光学常数间关联理论模型，对光学元件实测光谱数据反演，按测试光谱波长逐点确定光学元件的光学常数，本发明尤其适用于激光增益晶体、激光玻璃、非线性晶体和调Q晶体等光学元件，不仅能确定带吸收峰光学元件的光学常数，而且可以为光学元件的吸收系数和特征离子掺杂浓度的测试分析提供技术途径。
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