奚小东, 吴晗平. 基于卡塞格林结构的近地层紫外通信发射光学系统设计[J]. 应用光学, 2017, 38(2): 205-209. DOI: 10.5768/JAO201738.0201009
引用本文: 奚小东, 吴晗平. 基于卡塞格林结构的近地层紫外通信发射光学系统设计[J]. 应用光学, 2017, 38(2): 205-209. DOI: 10.5768/JAO201738.0201009
Xi Xiaodong, Wu Hanping. Design of UV communication emission optical system in surface layer based on Cassegrain structure[J]. Journal of Applied Optics, 2017, 38(2): 205-209. DOI: 10.5768/JAO201738.0201009
Citation: Xi Xiaodong, Wu Hanping. Design of UV communication emission optical system in surface layer based on Cassegrain structure[J]. Journal of Applied Optics, 2017, 38(2): 205-209. DOI: 10.5768/JAO201738.0201009

基于卡塞格林结构的近地层紫外通信发射光学系统设计

Design of UV communication emission optical system in surface layer based on Cassegrain structure

  • 摘要: 发射光学系统对近地层紫外通信系统的性能提高具有重要作用,为此设计一种适用于近地层紫外通信的发射光学系统。通过分析、比较,该系统采用卡塞格林结构形式,主镜为抛物面,次镜为双曲面,在中紫外265 nm~270 nm、环境温度-60℃~60℃下工作。经过优化设计,结果为:系统焦距450 mm,系统总长200 mm,发射角2°,MTF值大于0.31,工作温度稳定性良好。

     

    Abstract: Emission optical system plays an important role in improving performance of surface layer UV communication system. UV communication emission optical system in surface layer is designed. Through analysis and comparison, this system adopts Cassegrain structure. Its main mirror is paraboloid and secondary mirror is hyperboloid, working at wavelength 265 nm~270 nm and ambient temperature -60 ℃~ 60 ℃. After optimization design, results are as followings: system focal length is 450 mm, total length of system is 200 mm, emission angle is 2°, MTF value is greater than 0.31, and working temperature is stable.

     

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