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：
Compilation and indexing terms; Copyright 2024 Elsevier Inc;
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
收藏
页码：2198 / 2206
页数：9
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