应用光学, 2018, 39 (2): 169, 网络出版: 2018-08-08   

通用型数字鱼眼镜头检测系统的设计

Design of universal digital fish-eye lens testing system
作者单位
1 秦皇岛美视达视听检测技术有限公司,河北 秦皇岛 066000
2 秦皇岛视听机械研究所,河北 秦皇岛 066000
摘要
设计了一种通用型数字鱼眼镜头检测系统, 由照明系统、检测标板、等效平行平板系统和球幕组成。照明系统内部设有平面反光镜、柱体蝇眼透镜阵列、准直物镜, 起到了缩小系统体积, 提高光能利用率和照明均匀性, 以及实现照明光斑大小尺寸可调的作用。其球幕内壁刻有角度分划尺, 用于测量被测镜头的视场角。测试系统的照明视场范围为φ8.1 mm~φ36.3 mm, 照度均匀度达到91%, 光通量大于5 000 lm, 且大小可调。检测系统可实现对芯片尺寸为0.55″~1.55″的1DLP、3DLP、3LCD、3LCOS的各种类型的数字投影或放映鱼眼镜头的像方视场角、分辨率、彩色还原性能、色差等性能和放映效果进行测试, 降低了检测成本, 通用性强。
Abstract
A universal digital fish-eye lens testing system was designed.The system is composed of illumination system, testing plate, equivalent parallel plate system and ball screen, and the illumination system is configured of plane reflector, cylindrical fly-eye lens array and alignment lens. In this way, the volume of system is reduced, the utilization rate of light energy and uniformity of illumination are improved, and the size of the illumination spot can be adjusted. An angle dividing ruler is carved on the inner wall of ball screen for testing the field of view(FOV) of lens.The range of illumination FOV for testing system is φ8.1 mm~φ36.3 mm,the illumination uniformity is 91%, and the luminous flux of testing system is above 5 000 lm which is adjustable. The testing system can test the performance of various types of fish-eye lenses with 1DLP,3DLP,3LCD and 3LCOS in 0.55″~1.55″chip size, such as FOV angle, resolution, color rendition, chromatic aberration, and the projection effect. It has strong general availability, and can reduces the cost of testing.

李维善, 单宏, 高今朝, 阎继华, 杨刚, 王虹达, 张文胜, 王宏伟, 于梅霞. 通用型数字鱼眼镜头检测系统的设计[J]. 应用光学, 2018, 39(2): 169. Li Weishan, Shan Hong, Gao Jinzhao, Yan Jihua, Yang Gang, Wang Hongda, Zhang Wensheng, Wang Hongwei, Yu Meixia. Design of universal digital fish-eye lens testing system[J]. Journal of Applied Optics, 2018, 39(2): 169.

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