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平面衍射光栅的光能衍射效率(简称效率)是衍射光栅最重要的质量评定指标。我校开发的微机控制的GSXC-Ⅱ型平面光栅衍射效率测试仪实现了对光栅效率的连续光谱自动测试。该仪器采用色散相减的光学测量系统,一前置单色器与光源部分构成扫描
The diffraction efficiency of light diffraction (referred to as efficiency) is the most important quality evaluation index of diffraction grating. The microcomputer-controlled GSXC-Ⅱ grating diffraction efficiency tester developed by our school has realized continuous spectrum automatic test of grating efficiency. The instrument uses dispersion subtraction optical measurement system, a front monochromator and light source part of the scan