Chromatic dispersion measurement in single-mode optical fibers by acousto-optic modulation and phase detection
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Date
1986
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Virginia Polytechnic Institute and State University
Abstract
A system to measure chromatic dispersion in single-mode optical fibers with near point wavelength resolution is described. Differential propagation constant data for the test fiber is collected by using an acousto-optic modulator to frequency-shift laser light passed to an optical heterodyne. Theoretical developments include a frequency-domain calculation technique for interpreting empirical results. The system is proven infeasible, however, due to inherent noise sensitivity