Optical-frequency-comb based interrogation of fiber resonators

G. Gagliardi; S. Avino; M. Fabian; M. Salza; P. Ferraro; P. De Natale

doi:10.1117/12.885911

17 May 2011 Optical-frequency-comb based interrogation of fiber resonators

G. Gagliardi, S. Avino, M. Fabian, M. Salza, P. Ferraro, P. De Natale

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77531I (2011) https://doi.org/10.1117/12.885911
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

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.

Citation Download Citation

G. Gagliardi, S. Avino, M. Fabian, M. Salza, P. Ferraro, and P. De Natale "Optical-frequency-comb based interrogation of fiber resonators", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77531I (17 May 2011); https://doi.org/10.1117/12.885911

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