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Persistent URL http://purl.org/net/epubs/work/55512
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Record Id 55512
Title Improving coherent contrast of petawatt laser pulses
Abstract We report on an experimental study of the "coherent" contrast feature that frequently appears in petawatt(PW)-class laser pulses as an exponentially-rising pedestal within a few tens of picoseconds of the compressed pulse. We show that scattering from the diffraction gratings in the stretcher is the principal source of this feature. Replacing the gratings by new, higher-quality components resulted in an order-of-magnitude reduction in the intensity of the pedestal.
Organisation CLF , CLF-HPL , CLF-ASTRA , STFC
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Language English (EN)
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Journal Article Opt Express 19, no. 3 (2011): 2193-2203. doi:10.1364/OE.19.002193 4ACC0F0D-01F8-4E8…AFC669AEA_209644.pdf 2011