| 用于观察瞄准镜的截止滤光片设计和制备 |
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| 引用本文： | 庞梦林,周顺,郭峰,杭良毅,肖相国.用于观察瞄准镜的截止滤光片设计和制备[J].应用光学,2022,43(2):221-227. |
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| 作者姓名： | 庞梦林 周顺 郭峰 杭良毅 肖相国 |
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| 作者单位： | 1.陕西省薄膜技术与光学检测重点实验室 西安工业大学，陕西 西安 710021 |
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| 基金项目： | 陕西省教育厅科研计划重点项目(21JY017) |
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| 摘 要： | 基于观察瞄准镜系统中胶合目镜对滤光片的使用需求，设计了一种用于瞄准镜光学系统的截止滤光片，消除了滤光片的半波孔，压缩了通带波纹。采用电子束热蒸发技术制备了滤光片并测试其透过率，在400 nm～630 nm的平均透过率为95.76%，在655 nm～800 nm的平均透过率为0.06%，样片通过了盐雾测试和机械牢固度测试，制备结果满足设计需求。
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| 关 键 词： | 短波通滤光片 薄膜制备 半波孔消除 通带波纹压缩 |
| 收稿时间： | 2021-10-10 |
Design and preparation of cut-off filter for observation scope |
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| Institution: | 1.Xi'an Technological University, Shaanxi Province Key Laboratory of Thin Films Technology and Optical Test, Xi'an 710021, China2.Xi'an Institute of Applied Optics, Xi'an 710065, China |
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| Abstract: | Based on the requirements of glued eyepiece for the optical filter in the observation scope system, a cut-off filter for the optical system of the scope was designed, which eliminated the half-wave hole of the filter and compressed the passband ripple. The optical filter was prepared by electron beam thermal evaporation technology and its transmittance was tested. The average transmittance in the range of 400 nm~630 nm is 95.76%, and the average transmittance in the range of 655 nm~800 nm is 0.06%. The sample passes the salt spray test and the mechanical firmness test, and the preparation results meet the design requirements. |
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