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White-light femtosecond Lidar at 100 TW power level

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Matthews, Mary
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Published in Applied Physics. B, Lasers and Optics. 2013, vol. 114, no. 3, p. 319-325
Abstract We characterized the white-light supercontinuum emission by a sub-petawatt laser system in the atmosphere via light detection and ranging measurements. As much as 1 J of supercontinuum is generated in the atmosphere, corresponding to a conversion efficiency of 30 %. This generation occurs at altitudes below 100 m. The high initial beam intensity results in the saturation of the number of self-guided filaments. Therefore, the “photon bath” surrounding the filaments strongly contributes to the white-light generation. These finding is well reproduced by numerical simulations based on the experimental parameters.
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Other version: http://link.springer.com/10.1007/s00340-013-5741-6
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PETRARCA, Massimo et al. White-light femtosecond Lidar at 100 TW power level. In: Applied Physics. B, Lasers and Optics, 2013, vol. 114, n° 3, p. 319-325. https://archive-ouverte.unige.ch/unige:37063

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Deposited on : 2014-06-03

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