Design and fabrication of lightweight additively manufactured mirrors for aviation

被引：3

作者：

Tan, Songnian ^{[1
,2
,3
]}

Li, Quanchao ^{[1
,2
,3
]}

Xu, Yongsen ^{[1
,3
]}

Shen, Honghai ^{[1
,3
]}

Cheng, Yanping ^{[1
,3
]}

Jia, Ping ^{[1
,3
]}

Xu, Yulei ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, 3888 Southeast Lake Rd, Changchun 130033, Peoples R China

[2] Univ Chinese Acad Sci, Yuquan Rd, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Key Lab Airborne Opt Imaging & Measurement, 3888 Southeast Lake Rd, Changchun 130033, Peoples R China

来源：

APPLIED OPTICS | 2022年 / 61卷 / 09期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1364/AO.450663

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper proposes a design process for additively manufactured mirrors. A central support aspheric mirror and tripod support structure were manufactured via selective laser melting. To achieve substantial weight reduction, an additively manufactured body-centered cubic lattice structure was used in the mirror design. Simulation analysis showed that the mirror had good rigidity. Single-point diamond turning was applied to obtain an optical quality mirror. After assembly, the rms surface shape accuracy of the mirror was 0.069 lambda (lambda = 632.8 nm). The surface roughness (Ra) of the additively manufactured metal mirror was 8.125 nm. These findings provide a strong theoretical basis and technical support for the preparation and application of lightweight metal mirrors. (C) 2022 Optica Publishing Group

引用

页码：2198 / 2206

页数：9

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