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Optimal control of filamentation in air

Ackermann, Roland
Salmon, Estelle
Lascoux, Noëlle
Rohwetter, Philipp
Stelmaszczyk, Kamil
Li, Shaohui
Lindinger, Albrecht
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Published in Applied physics letters. 2006, vol. 89, no. 17, 171117
Abstract The authors demonstrate optimal control of the propagation of ultrashort, ultraintense (multiterawatt) laser pulses in air over distances up to 36m in a closed-loop scheme. They optimized three spectral ranges within the white-light continuum as well as the ionization efficiency. Optimization results in signal enhancements by typical factors of 2 and 1.4 for the target parameters. The optimization results in shorter pulses by reducing their chirp in the case of white-light continuum generation, while they correct the pulse from its defects and set the filamentation onset near the detector as far as air ionization is concerned.
Keywords ChirpingIonizationFilamentationSelf phase modulationVisible spectra
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Research groups ISE Climat
ISE Pôle Sciences
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ACKERMANN, Roland et al. Optimal control of filamentation in air. In: Applied physics letters, 2006, vol. 89, n° 17, p. 171117. doi: 10.1063/1.2363941 https://archive-ouverte.unige.ch/unige:37853

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Deposited on : 2014-06-16

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