Wide Temperature-Range Brillouin and Rayleigh Optical-Time-Domain Reflectometry in a Dispersion-Shifted Fiber
Applied Optics, Vol. 42, Issue 19, pp. 3772-3775 (2003)
http://dx.doi.org/10.1364/AO.42.003772
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Abstract
The temperature dependences of spontaneous Brillouin and Rayleigh scattering intensities in a dispersion-shifted fiber have been measured over a wide temperature range by optical-time-domain reflectometry. It was found that spontaneous Brillouin and Rayleigh intensities normalized by room-temperature values have linear dependences on temperature, with coefficients (0.26 ± 0.02)%/°C and (0.015 ± 0.002)%/°C in temperature ranges −27–819 and 29–827 °C, respectively. Experimental results have demonstrated that both kinds of scattering can be used for distributed high-temperature measurement.
© 2003 Optical Society of America
[Optical Society of America ]
OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.6780) Instrumentation, measurement, and metrology : Temperature
(290.5830) Scattering : Scattering, Brillouin
(290.5870) Scattering : Scattering, Rayleigh
Citation
Yongqian Li, Fucai Zhang, and Toshihiko Yoshino, "Wide Temperature-Range Brillouin and Rayleigh Optical-Time-Domain Reflectometry in a Dispersion-Shifted Fiber," Appl. Opt. 42, 3772-3775 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-19-3772
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