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Experimental demonstration of a synthetic aperture compression scheme for multi-Petawatt high-energy lasers

Abstract : We present the experimental demonstration of a subaperture compression scheme achieved in the PETAL (PETawatt Aquitaine Laser) facility. We evidence that by dividing the beam into small subapertures fitting the available grating size, the sub-beam can be individually compressed below 1 ps, synchronized below 50 fs and then coherently added thanks to a segmented mirror. " Split-aperture laser pulse compressor design tolerant to alignment and line-density differences,
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Nathalie Blanchot, E Bar, G Behar, C Bellet, D Bigourd, et al.. Experimental demonstration of a synthetic aperture compression scheme for multi-Petawatt high-energy lasers. Optics Express, Optical Society of America - OSA Publishing, 2010, 18, pp.10088-10097. ⟨10.1364/OE.18.010088⟩. ⟨cea-01217070⟩

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