TMT tertiary mirror axis calibration with laser tracker

To calibrate the tracing performance of the thirty meter telescope （TMT） tertiary mirror, for the special requirement of the TMT, the laser tracker is used to verify the motion. Firstly, the deviation is divided into two parts, namely, the re- peatable error and the unrepeatable part. Then, based on...

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Published inOptoelectronics letters Vol. 11; no. 2; pp. 84 - 87
Main Author 安其昌 张景旭 杨飞 孙敬伟
Format Journal Article
LanguageEnglish
Published Heidelberg Tianjin University of Technology 01.03.2015
Subjects
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
TMT
望远镜
校准
残余误差
激光跟踪仪
激光跟踪器
蒙特卡罗方法
跟踪性能
Rotation Vector
Fine Mechanics
Precision Engineer
Gravity Vector
Root Mean Square
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ISSN1673-1905
1993-5013
DOI10.1007/s11801-015-5019-9

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Summary:To calibrate the tracing performance of the thirty meter telescope （TMT） tertiary mirror, for the special requirement of the TMT, the laser tracker is used to verify the motion. Firstly, the deviation is divided into two parts, namely, the re- peatable error and the unrepeatable part. Then, based on the laser tracker, the mearturement and evalutation methods of the rigid body motion for the mirror are established, and the Monte Carol method is used to determine the accuracy of the mothod. Lastly, the mothod is applied to the turn table of a classical telescope and the residual error is about 4 arc second. The work of this paper will guide the next desgin and construction work of the thirty meter telescope tertiary
Bibliography:12-1370/TN
To calibrate the tracing performance of the thirty meter telescope （TMT） tertiary mirror, for the special requirement of the TMT, the laser tracker is used to verify the motion. Firstly, the deviation is divided into two parts, namely, the re- peatable error and the unrepeatable part. Then, based on the laser tracker, the mearturement and evalutation methods of the rigid body motion for the mirror are established, and the Monte Carol method is used to determine the accuracy of the mothod. Lastly, the mothod is applied to the turn table of a classical telescope and the residual error is about 4 arc second. The work of this paper will guide the next desgin and construction work of the thirty meter telescope tertiary
AN Qi-chang , ZHANG Jing-xu ,ANG Fei,SUN Jing-wei （Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China）
ISSN:1673-1905
1993-5013
DOI:10.1007/s11801-015-5019-9