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.

引用

页数：4

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