Design of Ultraviolet Warning Optical System with Large Relative Aperture and Long Focal Length

被引：6

作者：

Cao Guili ^{[1
]}

Liu Fangfang ^{[1
]}

Jia Yongdan ^{[1
]}

Zhang Qian ^{[1
]}

Xu Chongbin ^{[1
]}

机构：

[1] Beijing Inst Space Mech & Elect, Beijing 100049, Peoples R China

来源：

LASER & OPTOELECTRONICS PROGRESS | 2019年 / 56卷 / 12期

关键词：

optical design; largo relative aperture; athermalization; ultraviolet warning;

D O I：

10.3788/LOP56.122203

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A telecentric ultraviolet warning optical system with a large relative aperture and a long focal length is designed using ZEMAX. This optical system contains six pieces of spherical lenses and has a total length of 154 mm. The system has a focal length of 100 mm, a relative aperture of 1:2, and a field of view angle of 10 degrees. CaF2 with a negative temperature coefficient of the refractive index is used as a concave lens for thermal compensation. The result shows that the average light modulation transfer function of each field of view is >0.4 at 10 lp/mm. Further, the biggest root-mean-square radius of the spot diagrams is smaller than 50 mu m. With the advantages of excellent imaging quality, compact configuration, and wide temperature adaptability, the system is suitable for ultraviolet warning cameras.

引用

页数：4

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