Optical beam splitter

Details Optical beam splitter Optical beam splitter

2008-08-25

2010-06-22

Healy, Brian M (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling structure

C385S014000, C385S129000, C385S131000, C385S132000, C385S042000

Reexamination Certificate

active

07742666

ABSTRACT:
An optical beam splitter includes an input waveguide, two or more branching arms, two or more fan-out arms, and two or more output waveguides. The input waveguide receives an input light beam. The two or more branching arms are coupled to the input waveguide at a separation point and split the input light beam at the separation point into two or more light beams. Each fan-out arm is coupled to one of the branching arms and fans-out one of the two or more light beams to a predetermined output pitch. Each output waveguide is coupled to one of the fan-out arms and transmits one of the two or more light beams out of the optical beam splitter.

REFERENCES:
patent: 5175778 (1992-12-01), Nourshargh et al.
patent: 5222167 (1993-06-01), Jean et al.
patent: 5343545 (1994-08-01), Ota et al.
patent: 6229943 (2001-05-01), Okayama
patent: 6243516 (2001-06-01), Seino
patent: 6968104 (2005-11-01), Zheng et al.
patent: 7302137 (2007-11-01), Doerr
patent: 7302141 (2007-11-01), Eldada
patent: 2005/0185890 (2005-08-01), Eldada

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