%A Guijuan XIE,Jun CHANG,Ke ZHANG,Jide ZHOU,Yajun NIU %T Off-axis three-mirror reflective zoom system based on freeform surface %0 Journal Article %D 2016 %J Front. Optoelectron. %J Frontiers of Optoelectronics %@ 2095-2759 %R 10.1007/s12200-015-0515-x %P 609-615 %V 9 %N 4 %U {https://journal.hep.com.cn/foe/EN/10.1007/s12200-015-0515-x %8 2016-11-29 %X

A reflective optical system is not affected by chromatic aberration, so it has a wide range of applications. Based on the design theory of reflective zoom system with three mirrors, this paper presents the simulation, optimization, and image quality evaluation of the traditional off-axis three-mirror zoom system and freeform off-axis three-mirror reflective zoom system.. In these systems, the optical design was aided by software CODEV. Through the analysis of aberrations and structural performance for the traditional aspherical off-axis three-mirror system, the freeform surface was introduced to the tertiary mirror to improve the balance capacity for optical aberrations. This off-axis three-mirror reflective zoom system based on freeform surface could provide technical reference to the study of such systems.