Method and apparatus for providing optical coupling between opti

Details Method and apparatus for providing optical coupling between opti Method and apparatus for providing optical coupling between opti

1995-07-26

1996-11-12

Healy, Brian

Optical waveguides

With optical coupler

With alignment device

385 14, 385 49, 385 51, 385 88, 385130, G02B 626

Patent

active

055748112

ABSTRACT:
Optical coupling between the end of a laser (10) mounted on a silica motherboard (12) and an optical fibre (11) is effected with the aid of a silicon platform (14) to which the end of the fibre (11) is secured. The motherboard (12) and fibre platform (11) are crystallographically etched to provide complementary mating profiles with a clearance of less than 10 .mu.m when alignment is established. While that alignment is maintained, resin (23) is introduced between motherboard and the fibre platform, and is cured. The minimal thickness of the cured resin minimises misalignments caused by resin shrinkage.

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