Method of fabricating a low loss fused biconical taper fiber optic coupler
First Claim
1. A method of fabricating a low loss fused biconical taper fiber optic coupler comprising the steps of:
- simultaneously heating and pulling N optical fibers to provide a minimum biconical taper region wherein said fibers are fused, where N is an integer greater than one; and
deforming cores of said N fibers at said minimum taper region, said step of deforming including a pushing step at said minimum taper region.
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Accused Products
Abstract
A known low loss fused biconical taper fiber optic coupler is fabricating by heating and pulling a plurality of fused optical fibers which may be twisted to provide a minimum biconical taper region. One method of improving this known biconical taper coupler is to simultaneously heat and push the known coupler to form a glass ball in the minimum taper region and then simultaneously heat and pull the ball to provide the improved biconical taper coupler. Another method of improving the known biconical taper coupler is to score and pull the minimum taper region of the known coupler to separate the minimum taper region into two halves and then heat and push the two halves together to provide the improved biconical taper coupler.
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Citations
6 Claims
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1. A method of fabricating a low loss fused biconical taper fiber optic coupler comprising the steps of:
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simultaneously heating and pulling N optical fibers to provide a minimum biconical taper region wherein said fibers are fused, where N is an integer greater than one; and deforming cores of said N fibers at said minimum taper region, said step of deforming including a pushing step at said minimum taper region. - View Dependent Claims (2, 3, 4)
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5. A method of fabricating a low loss fused biconical taper fiber optic coupler comprising the steps of:
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simultaneously heating and pulling N optical fibers to provide a minimum biconical taper region wherein said fibers are fused, where n is an integer greater than one; and deforming cores of said N fibers at said minimum taper region, said step of deforming including the steps of; scoring said minimum region, pulling said scored minimum region for separation thereof, heating said separated minimum region, and pushing said heated separated minimum region together to rejoin said separated minimum region. - View Dependent Claims (6)
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Specification