Tapered optical fiber for coupling to diffused optical waveguides
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United States of America Patent
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Jun 28, 2005
Grant Date -
Apr 10, 2003
app pub date -
Mar 28, 2002
filing date -
Mar 30, 2001
priority date (Note) -
Expired
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Abstract
An optical fiber having an a core with a D-shape or an oval shape at an endface. The optical fiber tapers from a round, cylindrical section to the endface so that adiabatic mode transformation is provided. Preferably, the D-shape or oval shape is selected so that the optical fiber has a mode shape at its endface that matches the mode shape of a diffused waveguide.
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