Coupling element for coupling light into and out of an optical f

Details Coupling element for coupling light into and out of an optical f Coupling element for coupling light into and out of an optical f

1985-01-29

1985-09-10

Lee, John

G02B 5172

Patent

active

045402370

ABSTRACT:
A coupling element is composed of a thick core fiber having an end formed by a first and second end surface with the first end surface extending substantially perpendicular to the axis of the fiber and the second end surface, which has a highly reflective mirror layer being inclined to the first end surface and to the axis. A second fiber, which is thinner than the first fiber, is coupled by a butt-joint to the first end surface and a third fiber which is also a thick core fiber branches off obliquely from the side of the first fiber adjacent the end.

REFERENCES:
patent: 4325605 (1982-04-01), Winzer et al.
patent: 4378143 (1983-03-01), Winzer

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