Customized design and efficient fabrication of two freeform aluminum mirrors by single point diamond turning technique

Shen Zhengxiang; Yu Jun; Song Zhenzhen; Chen Lu; Yuan Qun; Gao Zhishan; Pei Shixin; Liu Bo; Ye Jingfei

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Customized design and efficient fabrication of two freeform aluminum mirrors by single point diamond turning technique

机译：通过单点金刚石转动技术定制设计和高效制造两个自由形式铝镜

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The precision single point diamond turning technique has been a promising technology for generating small and medium-sized freeform optical elements with high surface quality. In this paper, we present an extremely off-axis freeform optical system with a large 10.0 mm pupil diameter and a low 3.0 F-number over a wide 28 degrees field of view. It is composed of two freeform aluminum mirrors, which are fabricated efficiently by the single point diamond turning machine. The manufacturing strategy and parameters are estimated rationally and comprehensively, based on the freeform surface characters. The freeform aluminum mirror surface can reach submicron surface accuracy and achieve nanometer surface roughness. The final assembled prototype of the off-axis two-mirror freeform display optical system has the advantages of compactness, a broad spectrum, and good display imaging performance. (C) 2019 Optical Society of America

机译：精密单点金刚石转动技术是一种有前途的技术，用于产生具有高表面质量的中小型自由形态光学元件。在本文中，我们介绍了一个极性轴外自由形式光学系统，具有大的10.0mm瞳孔直径，宽38度视场上的低3.0 f次。它由两个自由形式铝镜组成，由单点金刚石车削机有效地制造。基于自由形式表面特征，制造策略和参数估计合理和全面。自由形式铝镜表面可以达到亚微米表面精度并实现纳米表面粗糙度。轴外轴双镜式自由形式显示光学系统的最终组装原型具有紧凑性，广泛的频谱和良好的显示成像性能的优点。（c）2019年光学学会

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《Applied optics》 |2019年第9期|共8页
作者
Shen Zhengxiang; Yu Jun; Song Zhenzhen; Chen Lu; Yuan Qun; Gao Zhishan; Pei Shixin; Liu Bo; Ye Jingfei;
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作者单位

Nanjing Univ Informat Sci &

Technol Sch Phys &

Optoelect Engn Dept Optoelect Engn Jiangsu Key Lab Optoelect Detect Atmosphere &

Oce 219 Ning Liu Rd Nanjing 210044 Jiangsu Peoples R China;

Tongji Univ Sch Phys Sci &

Engn 1239 Si Ping Rd Shanghai 200092 Peoples R China;

Nanjing Univ Informat Sci &

Technol Sch Phys &

Optoelect Engn Dept Optoelect Engn Jiangsu Key Lab Optoelect Detect Atmosphere &

Oce 219 Ning Liu Rd Nanjing 210044 Jiangsu Peoples R China;

Nanjing Univ Sci &

Technol Sch Elect &

Opt Engn 200 Xiao Ling Wei Rd Nanjing 210094 Jiangsu Peoples R China;

Nanjing Univ Sci &

Technol Sch Elect &

Opt Engn 200 Xiao Ling Wei Rd Nanjing 210094 Jiangsu Peoples R China;

Nanjing Univ Sci &

Technol Sch Elect &

Opt Engn 200 Xiao Ling Wei Rd Nanjing 210094 Jiangsu Peoples R China;

Nanjing Univ Informat Sci &

Technol Sch Phys &

Optoelect Engn Dept Optoelect Engn Jiangsu Key Lab Optoelect Detect Atmosphere &

Oce 219 Ning Liu Rd Nanjing 210044 Jiangsu Peoples R China;

Nanjing Univ Informat Sci &

Technol Sch Phys &

Optoelect Engn Dept Optoelect Engn Jiangsu Key Lab Optoelect Detect Atmosphere &

Oce 219 Ning Liu Rd Nanjing 210044 Jiangsu Peoples R China;

Nanjing Univ Informat Sci &

Technol Sch Phys &

Optoelect Engn Dept Optoelect Engn Jiangsu Key Lab Optoelect Detect Atmosphere &

Oce 219 Ning Liu Rd Nanjing 210044 Jiangsu Peoples R China;

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Customized design and efficient fabrication of two freeform aluminum mirrors by single point diamond turning technique

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