A new fitting method for spectral characterization of Brillouin-based distributed sensors

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5260, Issue , 2003, Pages 512-515

  Ferrier, Graham A ^a   Afshar V , Shahraam ^a   Bao, Xiaoyi ^a   Chen, Liang ^a  

^a UNIVERSITY OF OTTAWA   (Canada)

Author keywords

Brillouin scattering; Curve fitting; Distributed sensors; Pulse pump; Short pulses

Indexed keywords

ACOUSTICS; BRILLOUIN SCATTERING; INTERFEROMETERS; MATHEMATICAL MODELS; PHONONS; TIME DOMAIN ANALYSIS;

BRILLOUIN FREQUENCY; OPTICAL PULSES;

SENSORS;

EID: 1842455295     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.543836     Document Type: Conference Paper

References (7)

1. T. Horiguchi, T. Kurashima, and M. Tateda, "A technique to measure distributed strain in optical fibers," IEEE Photon. Technol. Lett. 2, pp. 352, 1990.
2. X. Bao, D.J. Webb, and D.A. Jackson, "32-km distributed temperature sensor based on Brillouin loss in an optical fiber," Opt. Lett. 18, pp. 1561-1563, 1993.
3. M. Niklès, L. Thévenaz, and P.A. Robert, "Brillouin Gain Spectrum Characterization in Single-Mode Optical Fibers," J. Lightwave Technol. 15, pp. 1842-1851, 1997.
4. S. Afshar V., G.A. Ferrier, and X. Bao, "Impact of EOM extinction ratio on the Brillouin frequency of distributed Brillouin-based fiber-optic sensors," Submitted to the Photonics North Conference, Montreal, Canada, 2003.
5. H. Naruse and M. Tateda, "Trade-off between the spatial and the frequency resolutions in measuring the power spectrum of the Brillouin backscattered light in an optical fiber," Appl. Opt. 38, pp. 6516-6521, 1999.
6. J. Smith, "Characterization of the Brillouin loss spectrum for simultaneous distributed sensing of strain and temperature," M. Sc. Thesis, Physics Department, University of New Brunswick, Fredericton, NB, 1999.
7. D.W. Marquardt, "An algorithm for least squares estimation of parameters," J. Soc. Ind. and Appl. Math. 11, pp. 431-441, 1963.