The key parameters of projection display, including resolution, contrast, projection optics, optical throughput, color, light source and screen and their optimum method were described.
描述了投影显示关键参数（分辨率、对比度、投影光学、系统的光通量、彩色化、灯及屏幕）及优化方法。
The principle of projection type micro optical encoder has been described and the optics theory of grating imaging is deduced.
对投影型微光学编码器的原理进行了分析，结合微机电系统集成技术，提出并实现了投影型微光学编码器。
The projection optics is designed for a constant field angle and entrance pupil. Thus image always fills entrance aperture and view field of the test optical system.
从光学指标的确定，结构、材料的选取到最终光学性能，阐述了准直投射光学系统的设计。
应用推荐