Light coupler and fiber laser system including the same

Details Light coupler and fiber laser system including the same Light coupler and fiber laser system including the same

2011-06-07

2011-06-07

Rodriguez, Armando (Department: 2828)

Coherent light generators

Optical fiber laser

C372S064000

Reexamination Certificate

active

07957432

ABSTRACT:
A light coupler emitting a high power laser with a high beam quality and a fiber laser system including the light coupler is disclosed. The light coupler includes a first optical fiber bundle comprising a plurality of first optical fibers having either a single-mode core or a few-mode core and a second optical fiber, which guides multi-mode beams and is connected to the first optical fiber bundle. The optical fiber laser system includes a light coupler having a first optical fiber bundle comprising a plurality of first optical fiber having either a single-mode core or a few-mode core and a second optical fiber, which is connected to the first optical fiber bundle, is either a single cladding optical fiber or a double cladding optical fiber, and guides multi-mode beams, and one or more gain medium optical fiber, which is connected to the light coupler and emits light.

REFERENCES:
patent: 5864644 (1999-01-01), DiGiovanni et al.
patent: 5999673 (1999-12-01), Valentin et al.
patent: 7212553 (2007-05-01), Starodoumov
patent: 2002/0054740 (2002-05-01), Vakili et al.
Y. Jeong et al., “Ytterbium-doped large-core fiber laser with 1.36 kW continuous-wave output power” Optical Society of America, 2004.

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