Novel technique to improve spatial resolution in Brillouin optical time-domain reflectometry

IEEE Photonics Technology Letters

Volumn 19, Issue 23, 2007, Pages 1910-1912

  Koyamada, Y ^a   Sakairi, Yoshiyuki ^a   Takeuchi, Nobuaki ^b   Adachi, Shoji ^b  

^a IBARAKI UNIVERSITY   (Japan)

^b YOKOGAWA ELECTRIC CORPORATION   (Japan)

Author keywords

Brillouin scattering; Distributed sensor; Fiber sensor; Optical fiber sensors; Optical time domain reflectometry (OTDR); Reflectometry; Strain measurement; Temperature measurement

Indexed keywords

BRILLOUIN SCATTERING; OPTICAL SENSORS; OPTICAL SYSTEMS; STRAIN MEASUREMENT; TEMPERATURE MEASUREMENT;

DISTRIBUTED SENSOR; OPTICAL FIBER SENSORS; OPTICAL TIME-DOMAIN REFLECTOMETRY; REFLECTOMETRY;

REFLECTOMETERS;

EID: 38049132458     PISSN: 10411135     EISSN: None     Source Type: Journal    
DOI: 10.1109/LPT.2007.908651     Document Type: Article

References (6)

1. T. Kurashima, M. Tateda, T. Horiguchi, and Y. Koyamada, "Performance improvement of a combined OTDR for distributed strain and loss measurement by randomizing the reference light polarization state," IEEE Photon. Technol. Lett., vol. 9, no. 3, pp. 360-362, Mar. 1997.
2. L. Zou, X. Bao, Y. Wan, and L. Chen, "Coherent probe-pump-based Brillouin sensor for centimeter-crack detection," Opt. Lett., vol. 30, no. 4, pp. 370-372, 2005.
3. C.-H. Li, T. Tsuda, and K. Kishida, PPP-BOTDA method to achieve cm-order spatial resolution in Brillouin distributed measuring technique IEICE Tech. Rep., OFT 2005-16, Aug. 2005, (in Japanese).
4. K. Y. Song, Z. He, and K. Hotate, "Distributed strain measurement with millimeter-order spatial resolution based on Brillouin optical correlation domain analysis," Opt. Lett., vol. 31, no. 17, pp. 2526-2528, 2006.
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., vol. 38, pp. 6516-6521, Nov. 1999.
6. S. B. Cho, J. J. Lee, and I. B. Kwon, "Strain event detection using a double-pulse technique of a brillouin scattering-based distributed optical fiber sensor," Opt. Express, vol. 12, pp. 4339-4346, 2004.