Absolute Distance Measurement Using Frequency Comb and a Single-Frequency Laser

被引：14
|
作者：
Wu, Hanzhong [1 ]
Zhang, Fumin [1 ]
Meng, Fei [2 ]
Balling, Petr [3 ]
Li, Jianshuang [2 ]
Pan, Liang [4 ]
Qu, Xinghua [1 ]
机构：
[1] Tianjin Univ, State Key Lab Precis Measurement Technol & Instru, Tianjin 300072, Peoples R China
[2] Natl Inst Metrol, Beijing 100013, Peoples R China
[3] Czech Metrol Inst, Lab Fundamental Metrol, Prague 15072, Czech Republic
[4] Tianjin Univ, Minist Educ, Key Lab Optoelect Informat Technol, Tianjin 300072, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 24期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Frequency comb; absolute distance measurement; interferometry;
D O I：
10.1109/LPT.2015.2478783
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose, here, a multi-heterodyne method using frequency comb and a tunable laser for absolute distance measurement. Numerous beat frequency components can be obtained in RF region. The distance can be determined via the phases of the beat signals. We potentially extend the non-ambiguity range up to 10(5) m by adjusting the comb repetition frequency slightly. The experimental results show an agreement within 4.5 mu m, corresponding to a relative precision of 1.5x10(-7) in a range up to 30 m, compared with an incremental distance meter.
引用
收藏
页码：2587 / 2590
页数：4
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