Coherent combination of high power fiber amplifiers in a two-dimensional re-imaging waveguide

Four actively phase-locked beams produced by fiber amplifiers in a master oscillator power amplifier (MOPA) configuration were coherently combined in a glass capillary re-imaging waveguide producing more than 100 W of coherent output with 80% combining efficiency and excellent beam quality. The beam...

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Bibliographic Details
Published in:Optics express 2010-06, Vol.18 (13), p.13547-13553
Main Authors: Uberna, Radoslaw, Bratcher, Andrew, Alley, Thomas G, Sanchez, Anthony D, Flores, Angel S, Pulford, Benjamin
Format: Article
Language:English
Subjects:
Equipment Design
Fiber Optic Technology - instrumentation
Fiber Optic Technology - methods
Hot Temperature
Lasers
Light
Optical Fibers
Polymers
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Summary:Four actively phase-locked beams produced by fiber amplifiers in a master oscillator power amplifier (MOPA) configuration were coherently combined in a glass capillary re-imaging waveguide producing more than 100 W of coherent output with 80% combining efficiency and excellent beam quality. The beam combiner components maintained a temperature below 30 degrees C with no external cooling at >100 W of combined power.
ISSN:1094-4087
1094-4087
DOI:10.1364/oe.18.013547