Ch9Sec3

Ch9Sec3 - THE FIBER FORUM Fiber Optic Communications...

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Dr. Joseph C. Palais 9.3 1 THE FIBER FORUM Fiber Optic Communications Dr. JOSEPH C. PALAIS PRESENTED BY
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Dr. Joseph C. Palais 9.3 2 Section 9.3 Star Couplers
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Dr. Joseph C. Palais 9.3 3 Star couplers can be fabricated as multiport fused biconically-tapered couplers (only for multimode fibers). P 1 1 2 3 4 1’ P 1’ 2’ P 2’ 3’ P 3’ 4’ P 4’ Fused Region 4 X 4 Transmission Star Coupler
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Dr. Joseph C. Palais 9.3 4 Operation of the transmission star coupler: With an input into port 1 we have an output (ideally) equally divided between ports 1’, 2’, 3’,
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Ch9Sec3 - THE FIBER FORUM Fiber Optic Communications...

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