Article

Fiber chirped-pulse amplification system emitting 3.8 GW peak power.

Friedrich-Schiller-University Jena, Institute of Applied Physics, Jena, Germany.
Optics Express (Impact Factor: 3.53). 01/2011; 19(1):255-60. DOI: 10.1364/OE.19.000255
Source: PubMed

ABSTRACT We report on the experimental demonstration of a fiber chirped- pulse amplification system capable of generating nearly transform-limited sub 500 fs pulses with 2.2 mJ pulse energy at 11 W average power. The resulting record peak power of 3.8 GW could be achieved by combining active phase shaping with an efficient reduction of the acquired nonlinear phase. Therefore, we used an Ytterbium-doped large-pitch fiber with a mode field diameter of 105 µm as the main amplifier.

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Fabian Stutzki