光学技术, 2018, 44 (1): 113, 网络出版: 2018-02-01   

观瞄系统光轴平行性原位检测的光学系统设计

Design of parallelism of optical axis in-situ detection’s optical system of observing and aiming system
作者单位
装甲兵工程学院控制工程系, 北京 100072
摘要
为了实现在车载观瞄系统原位不解体条件下快速、准确的性能检测, 利用离轴反射式大口径平行光管搭建光学系统。基于TracePro实现对该光学系统光线追迹,对光斑质量和精度计算进行了研究。在分析离轴反射式平行光管性能和结构的基础上, 设计了测试装置的光学系统; 分析了该光学系统主要的误差来源及大小, 结合误差合成理论计算其检测精度。结果表明: 成像在该光学系统焦点处的光斑能量分布较为集中, 距中心点0.6mm范围内的光斑能量占总能量的81.39%,该光学系统的检测精度能够达到2.9226″。满足了对车载观瞄系统光轴平行性原位检测时的精度要求, 测试装置的架设、校准也较为容易。
Abstract
In order to realize fast and accurate in-situ detection of observing and aiming system, the optical system is built by using off-axis reflective large aperture collimator. The optical system is achieved for the ray tracing based on TracePro, and spot quality analysis, as well as accuracy calculation and so on. Based on the analysis of the performance and the structure of the off-axis reflective collimator, the optical system of the detection equipment is designed. Source and sizes of the optical system errors are analyzed, and the detection accuracy is calculated by combining the error synthesis theory. The results show that the energy distribution of the spot at the focal point of the optical system is more concentrated, and the spot energy in the range of 0.6mm is 81.39%. The detection accuracy of the optical system is 2.9226″. The accuracy requirements of the in-situ detection of the optical axis parallelism of the vehicle observing and aiming system are met. And the erection and calibration of the detection equipment is also relatively easy.

易瑔, 王林森, 杨建昌, 罗天峰, 孙先知. 观瞄系统光轴平行性原位检测的光学系统设计[J]. 光学技术, 2018, 44(1): 113. YI Quan, WANG Linsen, YANG Jianchang, LUO Tianfeng, SUN Xianzhi. Design of parallelism of optical axis in-situ detection’s optical system of observing and aiming system[J]. Optical Technique, 2018, 44(1): 113.

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