制冷型红外变焦光学系统设计
Design of Cooled Infrared Zoom Optical System
程伟宁 1赵久良1
作者信息
摘要
设计了连续变焦中波红外光学系统,F数为4,工作波段为3.7～4.8 μm.为了实现大变倍比,采用了机械补偿和换根的变焦方式,仿真分析了光学系统光的冷反射情况,对变焦曲线进行了优化.光学系统整体结构紧凑,在整个变焦过程中,图像清晰且曲线平滑.
Abstract
A continuous zoom mid-wave infrared optical system with an F-number of 4 and working wavelength range of 3.7～4.8 µm is designed.To achieve a large zoom ratio,a mechanical compensation method with switching roots has been employed.The narcissus phenomenon is analyzed through simulation,and the zoom curve is opti-mized.The overall structure of the optical system is compact,and the image remains clear with a smooth curve dur-ing the entire zoom process.
关键词
红外/连续变焦/机械补偿/变焦曲线Key words
infrared/continuous zoom/mechanical compensation/cam curve引用本文复制引用
出版年
2024
NETL
NSTL
万方数据