Browsing by Author "Brown, Anthony Wayne"
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Item Development of a high frequency broadband photodetector for use in a distributed temperature sensor and studies of Brillouin scattering in single-mode optical fibre(University of New Brunswick, 1995) Brown, Anthony Wayne; Dr. Xiaoyi BaoA broadband and high frequency transimpedance amplifier with a 1300 nm photodetector for use in a distributed temperature sensing system based on stimulated Brillouin scattering was designed, built and tested. The bandwidth of such an amplifier has been shown to be on the order of 1 GHz, with 40 dB power gain and NEP of 11 pW/Hz1/2. The characteristics of fibre attenuation, Brillouin frequency shift and stimulated Brillouin scattering threshold power have been studied in single mode optical fibres.