Optical fiber coupler and optical fiber therefor

Details Optical fiber coupler and optical fiber therefor Optical fiber coupler and optical fiber therefor

2004-01-21

2008-11-11

Wood, Kevin S (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling structure

C385S096000

Reexamination Certificate

active

07450802

ABSTRACT:
An optical fiber coupler is comprised of a fusion-elongated portion15in which an optical fiber11which is designed and fabricated for use at a wavelength in the vicinity of 1.55 μm and an optical fiber12which is designed and fabricated for use at a wavelength in the vicinity of 0.98 μm are fused and elongated. The propagation constant difference between optical fibers11and12is 10−4rad/μm or smaller.

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