激光与光电子学进展, 2018, 55 (7): 070801, 网络出版: 2018-07-20   

一款小型化红外广角镜头的设计 下载: 793次

Design of a Miniaturized Infrared Wide-Angle Lens
作者单位
中山市众盈光学有限公司, 广东 中山 528441
摘要
为满足现代智能化设备和红外交互识别的需求,利用CodeV和Zemax光学设计软件设计了一款小型化红外广角镜头。该镜头使用3片塑胶非球面镜片和1片红外带通滤光片,其光学结构形式为负-正-正的结构;该镜头的F数为2.2,全视场最大角度为129°,系统机械总长3.8 mm。该设计在1/2奈奎斯特频率处各个视场的调制传递函数值均大于0.5。组装该镜头进行测试,其调制传递函数性能符合设计需求,可以较好地实现红外探测功能。
Abstract
In order to meet the requirements of modern intelligent equipment and infrared interactive identification, we design a miniature infrared wide-angle lens by CodeV and Zemax optical design software. The lens is equipped with three plastic lenses and one infrared band pass filter. Its optical structure is negative-positive-positive. The design results show that F number is 2.2, the maximum viewing angle is 129° and the mechanical total length is 3.8 mm. Modulation transfer function (MTF) value of all fields is larger than 0.5 at 1/2 Nyquist frequency. The assembled lens is tested to show that MTF performance meets design requirements and the infrared detection function can be achieved.
参考文献

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朱佳巍, 王旗, 范俊辉, 净晓东. 一款小型化红外广角镜头的设计[J]. 激光与光电子学进展, 2018, 55(7): 070801. Zhu Jiawei, Wang Qi, Fan Junhui, Jing Xiaodong. Design of a Miniaturized Infrared Wide-Angle Lens[J]. Laser & Optoelectronics Progress, 2018, 55(7): 070801.

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