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Coherent beam combination of two-dimensional high power fiber amplifier array using stochastic parallel gradient descent algorithm
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10.1063/1.3152282
/content/aip/journal/apl/94/23/10.1063/1.3152282
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/23/10.1063/1.3152282
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup. MO denotes master oscillator, PA denotes preamplifier, PM denotes phase modulator, MA denotes main amplifier, ISO denotes optical isolator, and LCO denotes large diameter collimator.

Image of FIG. 2.
FIG. 2.

Output power characteristics of the four fiber amplifiers.

Image of FIG. 3.
FIG. 3.

Beam characteristics of one fiber amplifier (a) intensity distribution and (b) optical spectrum.

Image of FIG. 4.
FIG. 4.

Intensity pattern at the observing plane (a) Experimental beam profiles in open loop. (b) Experimental beam profiles in close loop, and (c) Simulated beam profiles in close loop.

Image of FIG. 5.
FIG. 5.

Frequency spectrum of the time-series signal of the power encircled in the pinhole.

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/content/aip/journal/apl/94/23/10.1063/1.3152282
2009-06-08
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Coherent beam combination of two-dimensional high power fiber amplifier array using stochastic parallel gradient descent algorithm
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/23/10.1063/1.3152282
10.1063/1.3152282
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