激光投影显示中光棒匀光的照明光路设计  

Optical design of laser projection display system by light pipe

作　　者：刘红[1] 王蔚生[2] 郑健 

机构地区：[1]上海电机学院电子信息学院,上海200240 [2]华东师范大学信息科学与技术学院,上海200062 [3]上海公安三所刑侦事业部,上海200031

出　　处：《强激光与粒子束》2014年第7期315-318,共4页High Power Laser and Particle Beams

基　　金：国家高技术发展计划项目;上海市大学生创新计划项目(2012SCX15);上海电机学院科研启动计划(13DX02);上海电机学院计算机应用技术学科项目(13XKJ01);上海高校青年教师培养资助项目(22SDJ13014)

摘　　要：在方棒照明系统的基础上,根据激光光源的发光特性和准直性,设计了一款用于激光投影显示的,基于光棒匀光的照明光路系统。此系统具有结构简单、开发周期短、加工成本低的优点。仿真结果表明:设计的激光投影机光能量利用率达到78%,均匀度达到85%,满足激光投影显示中对集光和照明的设计要求。According to the characteristics of the laser and its special collimator,we designed a kind of laser projection display system with uniform illumination,using a light pipe as the light homogenization system.The light pipe has several advantages,such as a simple structure,a short period of development,and low cost.The simulation results show that luminous efficiency of the entire illumination system is 78%,and the uniformity is 85%,which reach the designed demands of the optical engine for the laser projection display system.

关 键 词：激光投影显示 光学扩展量 光棒 光学引擎 照度分布 

分 类 号：TN248[电子电信—物理电子学]