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Conferences > HILAS > 2014 > HTh4B > HTh4B.5

Transient Inversion in Rotationally Aligned Nitrogen Ions in a Femtosecond Filament

D. Kartashov, S. Haessler, S. Ališauskas, G. Andriukaitis, A. Pugžlys, A. Baltuška, J. Möhring, D. Starukhin, M. Motzkus, A.M. Zheltikov, M. Richter, F. Morales, O. Smirnova, M. Yu. Ivanov, and M. Spanner

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Abstract

Bright narrowly timed coherent UV emission from molecular Nitrogen cations is explained in terms of transient rotational alignment of the ground and excited electronic states leading to laser gain in absence of population inversion.

© 2014 Optical Society of America

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