Lensed optical fiber and laser module

Details Lensed optical fiber and laser module Lensed optical fiber and laser module

1999-01-28

2000-10-10

Spryou, Cassandra

Optical waveguides

With optical coupler

Input/output coupler

385 34, 385 49, 385 93, 385124, G02B 632

Patent

active

061309729

ABSTRACT:
A lensed optical fiber and a semiconductor laser module, characterized in that first and second optical fibers, each including a core and a cladding, are connected to one end of a single-mode fiber, including a core and a cladding, in the order named. The core of the first optical fiber has a first square-low index distribution and a length substantially equal to 1/4 of the meandering period of light propagating through the core or an odd multiple thereof. The core of the second optical fiber has a second square-low index distribution and a meandering period different from that of the first optical fiber.

REFERENCES:
patent: 4812006 (1989-03-01), Osborn et al.
patent: 5774607 (1998-06-01), Shiraishi et al.

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