Method and device passively locating a fiber stub in a groove

Details Method and device passively locating a fiber stub in a groove Method and device passively locating a fiber stub in a groove

2002-02-08

2004-06-22

Sanghavi, Hermang (Department: 2874)

Optical waveguides

Accessories

External retainer/clamp

C385S052000, C385S091000, C385S049000

Reexamination Certificate

active

06754427

ABSTRACT:

FIELD OF THE INVENTION
The invention relates to fiber optic devices, and methods of making fiber optic devices.
BACKGROUND OF THE INVENTION
In some microoptical assemblies it is necessary to locate a short section (a stub or end, e.g. 0.5-5 mm long) of optical fiber in a groove (e.g. a V-groove). Placing the optical fiber in the groove is a simple matter, but locating the optical fiber longitudinally can be difficult. It would be an advance in the art of microoptical assembly construction to provide a simple method for longitudinally locating an optical fiber stub in a groove such as a V-groove.
SUMMARY OF THE INVENTION
The invention includes fiber optic device, comprising a substrate comprising at least one groove comprising a first surface, a fiber stop a bonding material, and at least one fiber comprising a second surface in the at least one groove, wherein at least one of the first surface and the second surface has a surface energy that increases in the direction of the fiber stop and method for longitudinally locating an optical fiber stub in a groove wherein the fiber stub is pressed against a fiber stop by surface tension.


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