Method for aligning the optical fiber and laser of...

Details Method for aligning the optical fiber and laser of... Method for aligning the optical fiber and laser of...

1998-11-24

2001-06-12

Lee, John D. (Department: 2874)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

C385S052000

Reexamination Certificate

active

06244755

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to methods for aligning optical fibers and lasers, and more particularly to a method for aligning the optical fiber and laser of a fabricated laser module to maximize its coupling efficiency, i.e., optical throughput.
BACKGROUND OF THE INVENTION
Conventional methods employed to fabricate fiber-optic laser modules typically align the focal point of the optical fiber and the laser for maximum coupling efficiency as an intermediate fabrication step performed before the module is completely fabricated. However, such methods suffer from a significant drawback since the fiber-laser alignment can be disturbed by subsequent fabrication steps and post-fabrication certification tests, such as sealing the lid and burn-in, respectively, which can adversely effect the coupling efficiency of the laser module.
It is, therefore, an object of the present invention to overcome the foregoing drawback of conventional fabrication methods by providing an improved method for aligning the optical fiber and laser of a laser module to maximize its coupling efficiency.


REFERENCES:
patent: 5572614 (1996-11-01), Lucas, Jr.
patent: 5963695 (1999-10-01), Joyce

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