Apparatus for improved fiber optic coupling efficiency

Details Apparatus for improved fiber optic coupling efficiency Apparatus for improved fiber optic coupling efficiency

2007-08-07

2007-08-07

Doan, Jennifer (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S031000

Reexamination Certificate

active

10755383

ABSTRACT:
An optical assembly incorporates a compact and efficient lens for coupling a beam of light from an optical device to an optical fiber. The lens includes a curved reflecting surface and a focusing surface. The lens is positioned to receive and internally reflect the beam of light from the optical device toward the focusing surface. The focusing surface in turn focuses the reflected beam into the end of an optical fiber. The curved surface may include a reflective coating for transmitting a portion of the beam toward a monitoring unit which is used to monitor a parameter of the beam. The optical assembly may further include a platform for supporting the optical device, the lens, the optical fiber and the monitoring unit.

REFERENCES:
patent: 3628027 (1971-12-01), Brauss
patent: 5175783 (1992-12-01), Tatoh
patent: 5388171 (1995-02-01), Michikoshi et al.
patent: 5682449 (1997-10-01), Taira-Griffin
patent: 6856728 (2005-02-01), Zhang
patent: 07-270642 (1995-10-01), None

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