Design, fabrication, and verification of a three-dimensional autocollimator

Yin Yanhe; Cai Sheng; Qiao Yanfeng

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Design, fabrication, and verification of a three-dimensional autocollimator

机译：三维自动胶凝器的设计，制造和验证

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The autocollimator is an optical instrument for noncontact angle measurement with high resolution and a long detection range. It measures two-dimensional angles, i. e., pitch and yaw, but not roll. In this paper, we present a novelly structured autocollimator capable of measuring three-dimensional (3D) angles simultaneously. In this setup, two collimated beams of different wavelengths are projected onto a right-angle prism. One beam is reflected by the hypotenuse of the prism and received by an autocollimation unit for detecting pitch and yaw. The other is reflected by the two legs of the right-angle prism and received by a moire fringe imaging unit for detecting roll. Furthermore, a prototype is designed and fabricated. Experiments are carried out to evaluate its basic performance. Calibration results show that this prototype has angular RMS errors of less than 5 arcsec in all 3Ds over a range of 1000 arcsec at a working distance of 2 m. (C) 2016 Optical Society of America.

机译：自动调用器是用于非接触角度测量的光学仪器，具有高分辨率和长检测范围。它测量二维角度，我。即，沥青和偏航，但不是滚动。在本文中，我们介绍了一种新颖的结构化自动调用器，其能够同时测量三维（3D）角度。在该设置中，将两个不同波长的准直光束投射到直角棱镜上。一个光束被棱镜的斜边反射，并由自动调度单元接收以检测间距和偏航。另一个由直角棱镜的两条腿反射，并由莫尔条纹成像单元接收用于检测辊。此外，设计和制造了原型。进行实验以评估其基本性能。校准结果表明，该原型在所有3DS中具有小于5个弧度的角度率误差，在2距离的工作距离为1000个弧形。（c）2016年光学学会。

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《Applied optics》 |2016年第35期|共6页
作者
Yin Yanhe; Cai Sheng; Qiao Yanfeng;
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Chinese Acad Sci Changchun Inst Opt Fine Mech &

Phys Changchun 130033 Peoples R China;

Chinese Acad Sci Changchun Inst Opt Fine Mech &

Phys Changchun 130033 Peoples R China;

Chinese Acad Sci Changchun Inst Opt Fine Mech &

Phys Changchun 130033 Peoples R China;

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正文语种 eng
中图分类应用;
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Design, fabrication, and verification of a three-dimensional autocollimator

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