LASER PACKAGE INCLUDING TILTED LASER AND METHOD OF USING SAME
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United States of America Patent
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Issued Date -
Nov 15, 2012
app pub date -
May 11, 2011
filing date -
May 11, 2011
priority date (Note) -
Abandoned
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Abstract
In a laser package, a tilted laser causes laser light to be coupled into an optical fiber at an angle relative to a fiber axis of the optical fiber. The tilted laser emits laser light at an angle relative to a lens axis of a lens such that the lens directs and focuses the laser light at the angle relative to the fiber axis. Tilting the laser allows the laser light to be coupled into the optical fiber substantially parallel to or aligned with the core of the fiber while causing back reflection to be directed away from the laser, thereby improving coupling efficiency and minimizing feedback. The tilted laser may be coupled to an angle polished fiber, for example, in a laser package such as a TO can type laser package, a butterfly type laser package, or a TOSA type laser package.
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