LCOS微型投影物镜的研究  

Design of LCOS Micro Projection Lens

作　　者：周广丽[1] 陈姝君[1] 黄振凯[1] Guangli Zhou;Shujun Chen;Zhen-kai Huang(Nanjing University of Science & Technology Zijin College, Nanjing, Jiangsu, 210046, China)

机构地区：[1]南京理工大学紫金学院,江苏南京210046

出　　处：《电子科学技术》2017年第2期11-13,共3页Electronic Science & Technology

基　　金：江苏省高等学校大学生创新创业训练计划(201513654003Y)资助项目

摘　　要：微型投影仪具有体积小、便于携带的特点,因此,在商业领域和家庭娱乐等领域具有广泛的应用。LCOS微型投影物镜具有共轭距短,视场角大等优点,是微型投影仪的重要研究方向。文中采用非球面结构,设计一款短焦距、大视场的投影物镜,该系统焦距为7.4mm,全视场角为85°,最大畸变小于0.5%,在空间频率43lp/mm处的传递函数大于0.5。The micro projector has the advantages of small volume,easy to carry,therefore,it is widely used inthe field of business,home entertainment and so on.LCOS micro projection lens has the advantages of shortconjugate distance,large field of view and so on,It is an important research direction of micro projector.In thispaper,the non spherical structure is adopted to design a short focal length,large field of view of the projectionlens,the focal length of the system is7.4mm,the full field of view angle is85°,the maximum distortion is lessthan0.5%,the transfer function is greater than0.5at the spatial frequency of43lp/mm.

关 键 词：微型投影物镜 大视场 畸变 传递函数 

分 类 号：TN946.1[电子电信—信号与信息处理]