Method and apparatus for coupling a laser to a fiber in a...

Optical waveguides – With disengagable mechanical connector – Optical fiber to a nonfiber optical device connector

Reexamination Certificate

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C385S088000, C385S090000, C385S092000, C385S093000, C385S094000, C372S036000

Reexamination Certificate

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10938974

ABSTRACT:
A laser module having a laser optically coupled with an optical fiber via a collimating lens and a focusing lens is formed. The laser is mounted in a laser housing so that its laser light output is directed toward a laser housing wall opening in a laser housing wall of the laser housing. A lens-fiber housing having a lens installed in a first end thereof and a light-receiving input end of the fiber disposed in a bore at a second end thereof is provided. The lens and input end of the fiber form a collimator. The lens-fiber housing is mounted from the outside of the laser housing to the laser housing wall to receive collimated light transmitted from inside the laser housing through the laser housing wall opening. The collimating lens is actively aligned in the laser housing, between the laser and the laser housing wall opening, to determine an aligned position. The collimating lens is secured in the laser housing at the aligned position.

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patent: 411097964 (1999-04-01), None

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