摘要
为满足夜间低照度天候条件下装备维修保障需求,设计了一款大相对孔径的可见光/近红外波段的复消色差物镜。通过选择合适的光学玻璃材料,在可见/近红外波段很好地校正了二级光谱。设计完成的大相对孔径物镜焦距3.75 mm,F#为1.2,视场70.25°,畸变-17.5%,系统总长40 mm。该共焦型物镜在486~950 nm光谱范围条件下,无需调焦即能满足夜间观察使用需求,为低照度夜视头戴系统光学模组研制提供了新的技术手段。
In order to meet the requirement of equipment maintenance support in low illumination condition at night,a visible/near infrared achromatic objective lens with large relative aperture is designed.The secondary spectrum can be well corrected in the visible/near infrared band by mean of selecting suitable optical glass materials.The designed large relative aperture objective lens has a focal length of 3.75 mm,F#of 1.2,field of view of 70.25°,distortion of-17.5%and a total length of 40 mm.The con-focal objective lens can meet the requirements of night observation without focusing in the spectral range of 486~950 nm,which provides a new technical means for the development of optical module of lowillumination night vision head-mounted system.
作者
张勇
马飒飒
李志伟
田玉敏
ZHANG Yong;MASa-sa;LI Zhi-wei;TIAN Yu-min(PLA Unit 32181,Xi’an 710032,China;School of Artificial Intelligence and Data Science,Hebei University of Technology,Tianjin 300131,China;Ordnance NCO Academy Army Engineering University of PLA,Wuhan 430076,China)
出处
《光学与光电技术》
2022年第6期16-22,共7页
Optics & Optoelectronic Technology
基金
陆军装备科研(20212C031781)
河北省军民融合科技创新专项(20355601D)资助项目
关键词
光学系统设计
夜视头戴
大相对孔径
物镜
宽光谱
optical system design
night vision head-mounted
large relative aperture
objective lens
broad spectrum
