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Proceedings Paper

Optical-frequency-comb based interrogation of fiber resonators
Author(s): G. Gagliardi; S. Avino; M. Fabian; M. Salza; P. Ferraro; P. De Natale
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Paper Abstract

Strain sensing at the 10-13 level, from the mHz to the kHz frequency range, is performed using a fiber Bragggrating 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.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77531I (17 May 2011); doi: 10.1117/12.885911
Show Author Affiliations
G. Gagliardi, Istituto Nazionale di Ottica, CNR (Italy)
S. Avino, Istituto Nazionale di Ottica, CNR (Italy)
M. Fabian, Univ. of Limerick (Ireland)
M. Salza, Istituto Nazionale di Ottica, CNR (Italy)
P. Ferraro, Istituto Nazionale di Ottica, CNR (Italy)
P. De Natale, Istituto Nazionale di Ottica, CNR (Italy)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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