Ιδρυματικό Αποθετήριο
Πολυτεχνείο Κρήτης
Πολυτεχνείο Κρήτης
EN
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| URI: | http://purl.tuc.gr/dl/dias/9C3EA9E3-9B2A-4202-A59F-CF675A3AD65A | ||
| Έτος | 2005 | ||
| Τύπος | Δημοσίευση σε Περιοδικό με Κριτές | ||
| Άδεια Χρήσης |
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| Βιβλιογραφική Αναφορά | N. Kortsalioudakis, M. Tatarakis, N. Vakakis, S.D. Moustaizis, M. Franco, B. Prade, A. Mysyrowicz, , N.A. Papadogiannis, A. Couairon and S. Tzortzakis, ”Enhanced harmonic conversion efficiency in the self-guided propagation of femtosecond ultraviolet laser pulses in argon”, Applied Physics B: Lasers and Optics, vol. 80, no. 2, pp. 211-214. doi: 10.1007/s00340-004-1683-3 https://doi.org/10.1007/s00340-004-1683-3 | ||
| Εμφανίζεται στις Συλλογές |
Harmonic generation during the self-guided propagation of femtosecond ultraviolet (UV) laser pulses (248-nm, 450-fs) in argon is investigated. The third (82.7-nm) and fifth (49.6-nm) harmonics are generated in the UV filament. The energy-conversion efficiencies for the harmonics are found to be at least two orders of magnitude higher than those reported in the literature for similar gas pressures. The enhancement is attributed to the quasi-phase matching of the harmonics due to the self-guiding of the driving pulse.
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