光学 精密工程, 2017, 25 (9): 2292, 网络出版: 2017-10-30  

舰载光电跟踪系统φ1 032 mm窗镜的研制

Development of Φ1 032 mm optical window for shipboard photoelectric tracking system
作者单位
1 长春理工大学, 吉林 长春 130012
2 中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033
3 吉林大学 仪器科学与电气工程学院, 吉林 长春 130061
摘要
针对舰载光电跟踪系统反射式主光学系统的防护问题, 提出了一米量级尺寸的窗镜、镜框的设计、制造和检测的方法。首先, 对窗口材料的性能及强度进行分析, 依据内外压差、自身重量以及旋转惯性力对窗镜强度的影响确定其最小的厚度。其次, 依据指标要求分析设计窗镜、镜框的形变对窗镜等光程差的影响以及其环境适应性。然后, 采用等光程非平面的修磨方法对带镜框的窗镜进行加工及检测。最后, 成功研制出直径φ1 032 mm, 厚度80 mm, 通光口径φ1 010 mm 的融石英材料的窗口玻璃镜, 等光程差为RMS=0.062 8λ@632.8 nm。结果表明, 该窗镜能够对舰载光电跟踪系统反射式主光学系统进行有效的防护。
Abstract
Aiming at the protection of reflective main optical system for shipboard photoelectric tracking systems, an 1 m size optical window and its frame were designed, manufactured and tested. Firstly, the performance and strength of the window material were analyzed. According to the influence of the difference between internal and external pressures, the weight and the rotational inertia force on the window, the minimum thickness was determined. Then, the effects of deformation of optical window and frame on optical path difference and the environmental adaptability were studied base on the index requirements. Moreover, the aplanatic non-planar grinding method was used for machining and inspecting the optical window. Finally, an fused silica optical window with 1 032 mm in diameter, 80 mm in thickness and 1 010 mm in aperture diameter were successfully developed. The optical path difference is RMS=0.062 8λ@632.8 nm. The results proves that the optical window can provide an effective protection for main optical system of photoelectric tracking systems.

杨立保, 李艳红, 曹艳波, 陈亚, 谢京江, 史国权, 张刘. 舰载光电跟踪系统φ1 032 mm窗镜的研制[J]. 光学 精密工程, 2017, 25(9): 2292. YANG Li-bao, LI Yan-hong, CAO Yan-bo, CHEN Ya, XIE Jing-jiang, SHI Guo-quan, ZHANG Liu. Development of Φ1 032 mm optical window for shipboard photoelectric tracking system[J]. Optics and Precision Engineering, 2017, 25(9): 2292.

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