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北京空间机电研究所,北京 100094
[ "李 洋(1985-),女,吉林人,硕士,高级工程师,2011年于中科院南京天文光学与技术研究所获得硕士学位,主要从事杂散光抑制技术的研究。E-mail: lyshelly@sina.cn" ]
收稿日期:2020-12-02,
修回日期:2021-01-27,
纸质出版日期:2021-11-15
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李洋,鲍书龙,穆生博等.透射式光学系统焦平面鬼像特性及验证[J].光学精密工程,2021,29(11):2567-2573.
LI Yang,BAO Shu-long,MU Sheng-bo,et al.Ghost image characteristic and experimental verification of focal plane in refractive optical systems[J].Optics and Precision Engineering,2021,29(11):2567-2573.
李洋,鲍书龙,穆生博等.透射式光学系统焦平面鬼像特性及验证[J].光学精密工程,2021,29(11):2567-2573. DOI: 10.37188/OPE.20212911.2567.
LI Yang,BAO Shu-long,MU Sheng-bo,et al.Ghost image characteristic and experimental verification of focal plane in refractive optical systems[J].Optics and Precision Engineering,2021,29(11):2567-2573. DOI: 10.37188/OPE.20212911.2567.
为了解决高灵敏度透射式微弱信号探测、超窄谱段探测系统的超低杂散光问题,研究了透射式光学系统焦平面产生鬼像的原理及特性。根据探测器光敏面的表面属性,分析了透射式光学元件与探测器形成鬼像的原因。利用Light-tools软件对光学系统建模分析,仿真模拟鬼像产生及鬼像与主像的位置、能量等关系特性。最后,基于仿真结果设计了鬼像验证实验。仿真分析及实验结果表明,鬼像与主像等大、共焦且中心对称。仿真分析结果与实验结果高度一致,验证了鬼像形成原理及其特性的正确性。该结果可以指导其他高灵敏度透射式光学系统设计阶段对鬼像的消除。
To solve the problem of ultra-low stray light in highly sensitive refractive optical systems and super narrow spectrum detection systems, the theory of ghost images formed by the focal plane is used. First, according to the characteristic parameters of the photosensitive surface, the theory of ghost images formed by the lens and focal plane was proposed. Subsequently, the Light-tools software was used for modeling and analysis. The principle, position, and energy relationship between the ghost points and the image were calculated and simulated. Finally, a series of ghost image experiments were designed and carried out to validate the accuracy of the data. The simulations and experiments indicated that the ghost image and the original image were isometric, confocal, and centrosymmetric. The results showed good agreement between the conclusions of the simulations and experiments. Thus, the validity and rationality behind the formation of ghost images were proved. The results can be used as a guide for the design of other refractive optical systems.
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