6 March 2015 Design and development of 80 meters laser interferometric measurement standard device
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Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 94463I (2015) https://doi.org/10.1117/12.2181381
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China
Abstract
A large-scale laser interferometric measurement standard device was designed and developed to improve the quantity transmission and calibration capabilities for linear measuring tools and large-scale high precision measurement instruments such as laser trackers, laser scanners and electronic total stations, etc. It consisted of an 80 meters granite guiding rail system, a length measuring system composed of three interferometers, a coarse-fine composite motion platform, environmental parameter (air pressure, temperature and humidity) automatic measuring system, and an image aiming system. The uncertainty of the standard device was analyzed, and a comparative experiment was made to determine the calibration capability of the built standard device. Experiment result indicated that the measurement uncertainty of this standard device to calibrate the other interferometers was better than 0.1μm + 1.0 × 10-7 L(k = 2).
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Dongjing Miao, Jianshuang Li, Mingzhao He, Xiangrui Deng, Lianfu Li, "Design and development of 80 meters laser interferometric measurement standard device", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94463I (6 March 2015); doi: 10.1117/12.2181381; https://doi.org/10.1117/12.2181381
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