一种折反式激光半主动导引头光学系统  

Catadioptric optical system design of semi-active laser seeker

作　　者：宋岩峰[1,2] 郝群 孙卫平[1] 刘灏[1] 李杰 SONG Yan-feng;HAO Qun;SUN Wei-ping;LIU Hao;LI Jie(Xi′an Modern Control Technology Research Institute,Xi′an 710065,China;School of Optics and Photonics,Beijing Institute of Technology,Beijing 100081,China)

机构地区：[1]西安现代控制技术研究所,陕西西安710065 [2]北京理工大学光电学院,北京100081

出　　处：《激光与红外》2021年第1期80-84,共5页Laser & Infrared

摘　　要：介绍了激光半主动导引头及其光学系统的结构和特点。依据半主动激光导引头的总体指标要求,分析、计算了折反式激光导引头光学系统的关键参数。进行了光学系统的结构选型,分析了激光导引头光学系统的像差和光斑要求,进行了光学系统设计。仿真结果表明,整个线性视场范围内,折反式激光导引头光学系统光斑直径稳定无变化,能量分布均匀一致;瞬时视场范围内,光斑直径稳定性优于2%。设计结果很好地满足了系统的设计要求,为激光半主动导引头的下一步研制奠定了良好基础。The structure and characteristics of laser semi-active seeker and its optical system were introduced in the paper.According to the general technical requirements of semi-active laser seeker,the key parameters of optical system were analyzed and calculated,the structure of optical system is selected.The aberration and spot requirements of optical system of laser seeker are analyzed.A catadioptric optical system of semi-active laser seeker is designed.The simulation results show that in the whole linear fields of view the spot diameter has no change and the energy distribution was uniform,the stability of spot diameter in the instantaneous fields of view are better than 2%.The optical design satisfied with the requirements and lays a good foundation for the next step of seeker design.

关 键 词：激光半主动制导 光学系统设计 折反式光学系统 

分 类 号：TJ765[兵器科学与技术—武器系统与运用工程] TH745[机械工程—光学工程]