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Switch multiplexer of fiber-optic channels Based on multibeam acousto-optic diffraction

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Abstract

The peculiarities of the multibeam acousto-optic Bragg diffraction of light by a multifrequency acoustic signal are investigated. The investigation is related to design of fiber-optic space division switch multiplexer 1×N. It is proved that a specialized two-dimensional acousto-optic deflector can perform high efficiency multifunctional light switching of fiber-optic channels. The device has advanced characteristics—the number of channels is up to a few hundred, the switching time is about a few microseconds, and the cross talk is limited to 45dB.

© 2009 Optical Society of America

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