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Chirped pulse Raman amplification in plasma

Vieux, Gregory and Lyachev, Andrey and Yang, Xue and Ersfeld, Bernhard and Farmer, John Patrick and Brunetti, Enrico and Issac, Riju and Raj, Gaurav and Welsh, Gregor H. and Wiggins, Mark and Jaroszynski, Dino (2011) Chirped pulse Raman amplification in plasma. New Journal of Physics, 13. ISSN 1367-2630

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Abstract

Raman amplification in plasma has been proposed to be a promising method of amplifying short radiation pulses. Here, we investigate chirped pulse Raman amplification (CPRA) where the pump pulse is chirped and leads to spatiotemporal distributed gain, which exhibits superradiant scaling in the linear regime, usually associated with the nonlinear pump depletion and Compton amplification regimes. CPRA has the potential to serve as a high-efficiency high-fidelity amplifier/compressor stage.