High-accuracy long-distance measurements in air with a frequency comb laser

被引:116
|
作者
Cui, M. [1 ]
Zeitouny, M. G. [1 ]
Bhattacharya, N. [1 ]
van den Berg, S. A. [2 ]
Urbach, H. P. [1 ]
Braat, J. J. M. [1 ]
机构
[1] Delft Univ Technol, Dept Appl Phys, Opt Res Grp, NL-2628 CJ Delft, Netherlands
[2] Van Swinden Lab, NL-2629 JA Delft, Netherlands
基金
芬兰科学院;
关键词
D O I
10.1364/OL.34.001982
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We experimentally demonstrate that a femtosecond frequency comb laser can be applied as a tool for long-distance measurement in air. Our method is based on the measurement of cross correlation between individual pulses in a Michelson interferometer. From the position of the correlation functions, distances of up to 50 m have been measured. We have compared this measurement to a counting laser interferometer, showing an agreement with the measured distance within 2 mu m (4 x 10(-8) at 50 m). (C) 2009 Optical Society of America
引用
收藏
页码:1982 / 1984
页数:3
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