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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Production of picosecond, kilojoule, and petawatt laser pulses via raman amplification of nanosecond pulses

Trines, R. M. G. M. and Fiuza, F. and Bingham, R. and Fonseca, R. A. and Silva, L. O. and Cairns, R. A. and Norreys, P. A. (2011) Production of picosecond, kilojoule, and petawatt laser pulses via raman amplification of nanosecond pulses. Physical Review Letters, 107 (10).

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Abstract

Raman amplification in plasma has been promoted as a means of compressing picosecond optical laser pulses to femtosecond duration to explore the intensity frontier. Here we show for the first time that it can be used, with equal success, to compress laser pulses from nanosecond to picosecond duration. Simulations show up to 60% energy transfer from pump pulse to probe pulse, implying that multikilojoule ultraviolet petawatt laser pulses can be produced using this scheme. This has important consequences for the demonstration of fast-ignition inertial confinement fusion.