Optical fiber pump multiplexer

Details Optical fiber pump multiplexer Optical fiber pump multiplexer

2008-01-22

2010-06-22

Pak, Sung H (Department: 2874)

Optical waveguides

Optical fiber bundle

C385S028000, C385S121000

Reexamination Certificate

active

07742669

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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