Optical-frequency-comb based interrogation of fiber resonators

被引：0
|
作者：
Gagliardi, G. [1 ]
Avino, S. [1 ]
Fabian, M. [2 ]
Salza, M. [1 ]
Ferraro, P.
De Natale, P. [1 ]
机构：
[1] CNR INO, Via Campi Flegrei 34, I-80078 Naples, Italy
[2] Univ Limerick, Fiber Opt Mat Res Program, Dept Elect & Comp Engn, Limerick, Ireland
来源：
21ST INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS | 2011年 / 7753卷
关键词：
strain sensors; fiber Bragg grating; laser frequency locking; optical fiber resonator; optical frequency comb; evanescent wave spectroscopy; cavity ring-down;
D O I：
10.1117/12.885911
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Strain sensing at the 10(-13) level, from the mHz to the kHz frequency range, is performed using a fiber Bragg-grating resonator interrogated by an optical-frequency-comb stabilized laser. The optical-comb synthesizer is a fs-pulsed fiber laser phase-locked to a quartz oscillator, which provides for a very high laser-frequency stability. The comb teeth span over the 1510-1580 nm spectral interval. Therefore, the OFS is also used as a coherent radiation source for fiber-loop cavity ring-down evanescent-wave spectroscopy of analytes diluted in liquid samples.
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收藏
页数：4
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