Optical waveguides – Optical fiber waveguide with cladding – Utilizing nonsolid core or cladding
Reexamination Certificate
2007-01-30
2007-01-30
Healy, Brian (Department: 2883)
Optical waveguides
Optical fiber waveguide with cladding
Utilizing nonsolid core or cladding
C385S123000, C385S124000, C385S126000, C385S127000, C372S006000, C359S341100
Reexamination Certificate
active
11204146
ABSTRACT:
Single transverse mode fiber amplifier and laser operation is obtained with a multi-mode signal core surrounded by cladding containing irregular microstructuring that causes loss in all of the core modes except the fundamental while maintaining robust guiding of the fundamental mode resulting in higher fiber laser power capacity.
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patent: 6608952 (2003-08-01), Eggleton et al.
patent: 2005/0111804 (2005-05-01), Bjarklev et al.
Koplow, J. P., Dahv A. V. Kliner, Lew Goldberg, “Single-mode operation of a coiled multimode fiber amplifier,” Optics Letters, vol. 25, No. y, Apr. 1, 2000.
Liu, Chi-Hung, Almantas Galvanauskas, Bodo Ehlers, Stefan Heinemann, “KW-power fiber lasers with single-transverse mode output using standard 20-micron core Yb-doped DC fibers,” SSDLTR2004.
Callahan Kenneth E.
The United States of America as represented by the Secretary of
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