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本文描述了一个折反式卡塞格伦光学系统,此光学系统能够使红外成象传感器和毫米波雷达通过一个光学孔(口)径同时工作,利用分光镀膜和衬底材料使红外、毫米波焦点分离。通过建立模型,对双模工作方式中每一模式的性能进行了测试,并对两种模式间的相互影响进行了分析。文章给出了实验室测试结果和数据分析结论。指出了设计的合理性以及需要改进的两个方面,即次镜设计和分光镀膜技术。提出了次镜设计问题中的解决办法,指明了导电镀膜技术的应用前景。
This article describes a Fold-Cassegrain optical system that enables infrared imaging sensors and millimeter-wave radars to work simultaneously through an optical aperture (aperture), using a spectroscopic coating and substrate materials to make infrared, millimeter-wave Focus separation. Through the establishment of the model, the performance of each mode in the dual-mode working mode was tested, and the interaction between the two modes was analyzed. The article gives the laboratory test results and data analysis conclusions. Pointed out the rationality of the design and the two aspects need to be improved, that is, the secondary mirror design and spectrophotometric coating technology. The solution to the secondary mirror design problem is proposed, and the application prospects of the conductive coating technology are pointed out.