Stress reduced laser module
AssigneeLucent Technologies Inc.
InventorWilliam B. Joyce
Life of this patent
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Abstract
A module which holds an optical fiber and a laser in alignment to couple light energy emitted from the laser to an end of the fiber. The fiber is held within a metal ferrule. The fiber and the laser are aligned by means of a metal platform to which both the ferrule and the laser are secured. Only the ferrule is secured to the outer box of the module, so that the platform, along with the alignment of the fiber and the laser, are isolated from mechanical stresses induced in the box.
Claims5
A module for holding an optical fiber and a laser in alignment to couple light energy emitted from said laser into an end of said fiber, the module comprising:
- a housing having a first opening along one side of said housing for providing access to the interior of said housing and a second opening through an end of said housing for allowing passage of said fiber into said housing interior;
- a cover for sealing said first opening of said housing;
- a metal ferrule surrounding said fiber and extending through said housing second opening to the interior of said housing, said ferrule being secured to said housing;
- a metal platform supported by said ferrule so that said platform is not directly secured to said housing, said platform having a base portion extending substantially parallel to said fiber and a support portion extending from said base portion beyond the end of said fiber;
- and
- laser support structure secured to said platform support portion for supporting said laser in alignment with the end of said fiber;
- whereby said platform and the alignment of said laser with said fiber are isolated from mechanical stresses induced in said housing.
Dependencies are inferred from the claim text.