中国光学, 2013, 6 (4): 563, 网络出版: 2013-08-28
单机数字立体双通道放映镜头的光学设计
Optical design of single digital stereo dual-channel projection lens
光学设计 数字立体双通道 放映镜头 折射式光路 离轴 三轴 optical design digital stereo dual-channel projection lens refraction type path off-axis three optic axes
摘要
介绍了一种新型单机数字立体电影双通道放映系统, 利用ZEMAX光学设计软件与人工构造相结合的方法, 成功设计了一款单机数字立体电影双通道放映镜头。镜头采用特殊的离轴、三轴结构和折射式光路, 由前组和后组两分结构体组成, 前组包括6组7片球面透镜, 后组由两个完全相同的、对称的3组4片球面透镜结构组成。镜头参数为: 总长24387 mm, 最大口径93 mm, 焦距2023 mm, 全视场角36°, 相对孔径1/201; 后组两副光轴的间距为82 mm, 工作距为378 mm。镜头具有体积小、成本低、结构简单、成像质量好等特点。
Abstract
A new single digital stereo dual-channel projection system is introduced and a dual-channel projection lens is designed by using ZEMAX software and an artifical structure method. The structure of lens based on refraction type is off-axis and with three optic axes. It includes a former group and a back group. The former group is composed of seven glass sphere lenses and the back group consists of two identical and symmetrical structures composed of four glass sphere lenses. The lens has a total length of 2438 mm, a maximum diameter of 93 mm, and a focal length of 2023 mm. Moreover, its Field of View(FOV) and F-number are 36° and 201 respectively, and the distance of two assistant optic axes and the Back Focal Length(BFL) are 82 mm and 378 mm, respectively. The system performs excellently in image quality, and has advantages of small size, simple structure and low cost.
李维善, 陈琛, 于国辉, 李臣友, 刘宵婵, 张禹, 王陆军, 刘影. 单机数字立体双通道放映镜头的光学设计[J]. 中国光学, 2013, 6(4): 563. LI Wei-shan, CHEN Chen, YU Guo-hui, LI Chen-you, LIU Xiao-chan, ZHANG Yu, WANG Lu-jun, LIU Ying. Optical design of single digital stereo dual-channel projection lens[J]. Chinese Optics, 2013, 6(4): 563.