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作 者:胡景森 黄旻 高寒 HU Jingsen;HUANG Min;GAO Han(Key Laboratory of Computational Optical Imaging Technology,Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100094,China;School of Optics and Photonics,University of Chinese Academy of Sciences,Beijing 101408,China)
机构地区:[1]中国科学院空天信息创新研究院计算光学成像技术重点实验室,北京100094 [2]中国科学院大学光电学院,北京101408
出 处:《应用光学》2022年第5期959-966,共8页Journal of Applied Optics
基 金:国家青年科学基金项目(62101533)。
摘 要:傅里叶变换光谱仪是重要的光谱分析仪器。为探究角反射镜的二面角装调误差对角镜摆臂傅里叶变换光谱仪干涉质量的影响,进行了理论分析和计算机仿真。根据角镜摆臂傅里叶变换光谱仪模型,推导出角反射镜存在二面角误差时干涉强度和调制度的数学表达式,并根据调制度判据确定了二面角公差;利用Zemax光学设计软件建立模型进行仿真,验证理论推导的结果。根据调制度判据,理论模型得到的二面角公差为2.52″,Zemax仿真求得的二面角公差为2.38″,误差为0.14″,属于可接受范围。分析结果表明,建立的理论模型合理,对角镜摆臂傅里叶变换光谱仪的设计和装调有一定的参考价值。Fourier transform spectrometer is an important spectral analysis instrument. To research the influence of the dihedral angle error of corner-cube reflectors on interference quality of oscillating Fourier transform spectrometer, the theoretical analysis and computer simulation were carried out. According to the oscillating Fourier transform spectrometer model, the mathematical expressions of the interference intensity and modulation depth with dihedral angle error were deduced. The tolerance of dihedral angle was determined by the modulation depth criterion. The optical design software Zemax was used to establish the model for simulation and verify the results of theoretical derivation. According to the modulation depth criterion, the tolerance of dihedral angle obtained by the theoretical model is 2.52 ″, and that obtained by the Zemax simulation is 2.38 ″. The error is 0.14 ″, which is acceptable. The analysis results show that the established theoretical model is reasonable, which has certain reference value for the design and installation of oscillating Fourier transform spectrometers.
分 类 号:TN201[电子电信—物理电子学] TH744[机械工程—光学工程]
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