Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase

Abstract : Cross-polarized wave (XPW) generation is used for the contrast improvement of ultra-intense femtosecond laser pulses in a double CPA configuration. We present theoretical and experimental evidence that the XPW output spectrum depends in a predictable way on the input chirp. Therefore, a chirp controlled pulse can experience a pulse duration shortening up to a factor of sqrt(3), and an initial amount of chirp that leads to the exact preservation of the spectral width of a given pulse can be predicted.
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Submitted on : Friday, September 10, 2010 - 5:00:41 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:02 AM

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A. Jullien, L. Canova, Olivier Albert, Davide Boschetto, L. Antonucci, et al.. Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase. Applied Physics B - Laser and Optics, Springer Verlag, 2007, 87 (4), pp.595-601. ⟨10.1007/s00340-007-2685-8⟩. ⟨hal-00516694⟩

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