Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2006-03-21
2006-03-21
Pak, Sung (Department: 2874)
Optical waveguides
With optical coupler
Particular coupling structure
C385S095000, C385S050000
Reexamination Certificate
active
07016573
ABSTRACT:
One or more single mode few-moded or multimode fibers are incorporated into a bundle to carry input to a fiber amplifier or output from a fiber amplifier or a fiber laser. The input is at the signal wavelength, which is the wavelength where amplification or lasing occurs. Each of the fibers in the bundle is cleaved individually or as a group and fiber ends are aligned in the same plane. The fiber amplifier or fiber laser may include a double clad fiber and the other fibers of the bundle couple light for cladding pumping. The device may also include a mode filter for controlling the output mode.
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Dong Liang
Harter Donald J.
IMRA America, Inc.
Pak Sung
Sughrue & Mion, PLLC
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