FIELD: optical engineering.
SUBSTANCE: multichannel optical commutator is made of two bunches of optical fibers, two collimators which have their focuses to place bunches' edges of, and light-guiding element mounted between collimators. As light-guiding element either mirrors or two acoustic-optical deflectors are used or their combination. Device allows to connect N users in series, which N user are connected to first bunch to S users which are connected to second bunch and visa versa and to conduct communication between users connected to one bunch.
EFFECT: units of fiber-optic assemblies and telecommunications can be made to provide speed of operation of channel switching within microsecond range and to provide number of switching channels up to 10000 at the same communication unit.
EFFECT: 21 cl, 12 dwg
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