多光谱多光轴平行性检测方案设计与误差分析
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摘要
模块化设计、多通道集成已成为当前光电装备研制的主流思路,但多个探测单元的光轴一致性却直接影响着光电装备的使用效能。现有方法难以兼顾多光谱、多光轴、高精度、大轴系跨度等多种光轴平行性检测需求,为此,本文提出了一种基于"反射式结构+光轴平移"思想的多光谱多光轴平行性检测方案。采用"反射式结构"设计反射式平行光管,解决了多光谱范围内可见光、微光、激光、红外等不同波段光轴的平行性检测问题;利用"光轴平移"思想解决了大跨度范围内光轴间平行性检测问题。结果表明:本设计方案的平行性检测误差小于0.134 mrad,可检测的轴系跨度可达0.5 m,能够满足绝大多数光电装备的光轴平行性检测需求。
The modular design and multi-channel integration has become the main thought of developing the photoelectric equipment, and the multi-axis parallelism directly influences the equipment performance. The current methods cannot meet the actual testing needs of multi-spectral, multi-axis, high-precise and large axis space. Thus a multi-spectral and multi-axis parallelism testing scheme is put forward by adopting the designing thought of reflective type and optical axis translation. The reflective collimator is designed to solve the multi-spectral and multi-axis parallelism testing problems, and the optical axis translation design can increase the axis space of multi-axis parallelism test. The results show that the parallelism testing error is less than 0.134 mrad and the axis space can reach 0.5 m, which can satisfy parallelism testing needs of most photoelectric equipment.
The modular design and multi-channel integration has become the main thought of developing the photoelectric equipment, and the multi-axis parallelism directly influences the equipment performance. The current methods cannot meet the actual testing needs of multi-spectral, multi-axis, high-precise and large axis space. Thus a multi-spectral and multi-axis parallelism testing scheme is put forward by adopting the designing thought of reflective type and optical axis translation. The reflective collimator is designed to solve the multi-spectral and multi-axis parallelism testing problems, and the optical axis translation design can increase the axis space of multi-axis parallelism test. The results show that the parallelism testing error is less than 0.134 mrad and the axis space can reach 0.5 m, which can satisfy parallelism testing needs of most photoelectric equipment.
引文
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[3]He H H,Ye L,Zhou X Y,et al.Theory and precision analysis of testing apparatus of parallel depth[J].Opto-Electronic Engineering,2007,34(5):52-56.贺和好,叶露,周兴义,等.平行度测试仪原理及其测量精度分析[J].光电工程,2007,34(5):52-56.
[4]Wang X,Bai S P,Xu T H.A method for large distance multi-optical axis parallelism measurement[J].Journal of Changchun University of Science and Technology(Natural Science Edition),2017,40(6):48-51.王鑫,白素平,许庭赫.远距多光轴平行度检测方法研究[J].长春理工大学学报(自然科学版),2017,40(6):48-51.
[5]Xiao Z J,Guo X X,Xia Y,et al.Research on detection system of optical sights triaxial parallelism[J].Optik-International Journal for Light and Electron Optics,2014,125(16):4427-4430.
[6]Li J R,Wang Z Q,Wang C X,et al.Sight axis measuring of the single axis photoelectric measuring system[J].Opto-Electronic Engineering,2015,42(11):8-12.李建荣,王志乾,王春霞,等.单轴光电系统视轴测量方法研究[J].光电工程,2015,42(11):8-12.
[7]Wang Y,Huang Y,Li Z F,et al.Calibration of optical axis parallelism by using star for astronomical observation system[J].Infrared and Laser Engineering,2017,46(5):124-129.王阳,黄煜,李占峰,等.利用恒星对天文观测系统光轴平行性检校[J].红外与激光工程,2017,46(5):124-129.
[8]Yan Z Q,Yang J C,Xie Z H,et al.Optical axis parallelism calibration system of large-scale multi-spectral multi-optical axis[J].Journal of Applied Optics,2016,37(6):823-828.闫宗群,杨建昌,谢志宏,等.大尺度多光谱多光轴平行性检校系统[J].应用光学,2016,37(6):823-828.
[9]Zuo X Z,Shen L J,Yang H C,et al.Alignment technology of catadioptric linear array LWIR sensor[J].Opto-Electronic Engineering,2016,43(5):82-87.左晓舟,沈良吉,杨海成,等.折反式长波线阵红外传感器装调技术[J].光电工程,2016,43(5):82-87.
[10]王永仲.鱼眼镜头光学[M].北京:科学出版社,2006.
[11]Tang J,Wang W H,Hong S X,et al.General specification for telescope:GJB 1240-1991[S].Beijing:Commission on Science,Technology and Industry for National Defense,1992.唐捷,王文华,洪善贤,等.望远镜通用规范:GJB1240-1991[S].北京:国防科学技术工业委员会,1992.
[12]Li X R,Zhang Z M,Li Y F,et al.General specification for low light level observation scope:GJB 5695-2006[S].Beijing:The General Armament Department of the PLA,2006.李兴荣,张志明,李延峰,等.微光夜视观察镜通用规范:GJB5695-2006[S].北京:中国人民解放军总装备部,2006.
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[14]Yang D Z,Liu Q X,Zhao C X,et al.General specifications for optical reconnaissance equipment tactical and technical performance:GJBz 20420.2-97[S].Beijing:The General Staff of the Chinese People's Liberation Army,1997.杨达钊,刘庆新,赵长祥,等.光学侦察装备通用规范战术技术性能要求:GJBz 20420.2-97[S].北京:中国人民解放军总参谋部,1997.
[15]Jiang Z H,Wu X D,Xu R,et al.General specification for military photoelectric goniometer:GJB 5231-2004[S].Beijing:The General Armament Department of the PLA,2005.蒋增红,吴轩东,徐榕,等.军用光电测角仪通用规范:GJB5231-2004[S].北京:中国人民解放军总装备部,2005.