Apparatus and method for rebroadcasting signals in an optical backplane bus system
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United States of America Patent
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Dec 9, 2003
Grant Date -
Feb 21, 2002
app pub date -
Jul 18, 2001
filing date -
Jul 21, 2000
priority date (Note) -
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Abstract
An apparatus and method are provided for communicating optical signals between components attached to an optical backplane bus. Each component has a respective active coupler to receive and transmit optical signals through a waveguiding plate. Multiplexed polymeric holograms may be used to couple or direct optical signals between the components and the waveguiding plate. Optical signals received from any component may be rebroadcast to all other components by a distributor and its active coupler using a doubly multiplexed hologram. The distributor and its active coupler may be located proximate a midpoint of the waveguiding plate.
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