Design and fabrication of imaging optical systems with freeform surfaces

被引：40

作者：

Zhang Xin ^{[1
]}

Zheng Ligong ^{[1
]}

He Xin ^{[1
]}

Wang Lingjie ^{[1
]}

Zhang Feng ^{[1
]}

Yu Shuqin ^{[1
]}

Shi Guangwei ^{[1
]}

Zhang Binzhi ^{[1
]}

Liu Qiang ^{[1
]}

Wang Tongtong ^{[1
]}

机构：

[1] Changchun Inst Opt, Key Lab Opt Syst Adv Mfg Technol, Changchun 130033, Peoples R China

来源：

CURRENT DEVELOPMENTS IN LENS DESIGN AND OPTICAL ENGINEERING XIII | 2012年 / 8486卷

关键词：

Freeform surfaces; aberrations correction; off-axis reflective optical system; wide FOV;

D O I：

10.1117/12.928387

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Freeform surfaces provide more degrees of freedom for design of optical systems, and enhance the ability of compensation and correction aberrations. Freeform surfaces are of advantage to balance the unsymmetrical aberrations, especially for the wide-field off-axis optical systems. This paper focus on an off-axis reflective optical system, which focal length is 550mm, F# is 6.5 and field of view (FOV) is 76 degrees. The system adopts some freeform surfaces. We discuss the problems we noticed in processes of design, manufacture, measurement and alignment, and the solutions. At last, the periodical research result and the expected performance are given.

引用

页数：10

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