26 January 2016 Development of femtosecond optical frequency comb laser tracker
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Proceedings Volume 9903, Seventh International Symposium on Precision Mechanical Measurements; 990307 (2016) https://doi.org/10.1117/12.2218144
Event: Seventh International Symposium on Precision Mechanical Measurements, 2015, Xia'men, China
Abstract
A new type femtosecond laser tracker is one high precision measurement instrument with urgent need in science research region and industrial manufacture field. This paper focuses on the operational principle and the structure development of the femtosecond laser tracer, and the method of error compensation as well. The system modules were studied and constructed. The femtosecond frequency comb module was firstly analyzed and developed. The femtosecond laser frequency comb performed perfectly high precise distance measurement for laser tracker. The experimental result showed that the stability of repetition rate reached 3.0×10-12@1s and the stability of carrier envelop offset reached 1.0×10-10@1s. The initial experiment showed that measurement error was less than 1ppm. Later the error compensation module was introduced, and the optoelectronic aiming and tracking control module was built. The actual test result showed that the stability of miss distance was better than 2.0 μm, the tracking speed could reach 2m/s.
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Ju-qing Yang, Wei-hu Zhou, Deng-feng Dong, Zi-li Zhang, Da-bao Lao, Rong-yi Ji, Da-yong Wang, "Development of femtosecond optical frequency comb laser tracker", Proc. SPIE 9903, Seventh International Symposium on Precision Mechanical Measurements, 990307 (26 January 2016); doi: 10.1117/12.2218144; https://doi.org/10.1117/12.2218144
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