Design of an optical time domain reflectometer

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Design of an optical time domain reflectometer

 

Author: Jiang, Jingjin
Title: Design of an optical time domain reflectometer
Degree: M.Sc.
Year: 2012
Subject: Optical communications.
Time-domain reflectometry.
Optical fibers.
Hong Kong Polytechnic University -- Dissertations
Department: Dept. of Electronic and Information Engineering
Pages: vii, 46 leaves : ill. ; 30 cm.
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b2471059
URI: http://theses.lib.polyu.edu.hk/handle/200/6337
Abstract: Optical Time Domain Reflectometer(OTDR) is an optoelectronic integration precision instrument that makes use of Rayleigh back scattering and Fresnel reflection in optical fiber for optical fibre link chacterization, it is widely used in fiber maintenance, construction, fault location and other measurements. In the dissertation, the design of an OTDR system is studied. Background theory of the system and detailed system design are described. A light pulse with 5000Hz frequency and the duty cycle of 1/200 is launched into an eight kilometer optical fiber link. The backscattered and reflected light is detected and measured. Experimental results have demonstrated the effectiveness of the designed system.

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