We present high resolution temperature measurements of up to 850 °C over a fiber. The interrogation technique is based on measuring the spectral shift of the intrinsic Rayleigh backscatter signal along the optical fiber.
© 2007 OSA
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.6780) Instrumentation, measurement, and metrology : Temperature
A. K. Sang, M. E. Froggatt, D. K. Gifford, and B. D. Dickerson, "One Centimeter Resolution Temperature Measurements from 25 to 850 °C Using Rayleigh Scatter in Gold Coated Fiber," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper JTuA77.