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Field-free two-direction alignment alternation of linear molecules by elliptic laser pulses

par Daems, David ;Guérin, Stéphane;Hertz, Edouard;Jauslin, Hans Rudolf;Lavorel, Bruno;Faucher, Olivier
Référence Physical review letters, 95, 6, 063005
Publication Publié, 2005-08

Article révisé par les pairs

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Résumé :

We show that a linear molecule subjected to a short specific elliptically polarized laser field yields postpulse revivals exhibiting alignment alternatively located along the orthogonal axis and the major axis of the ellipse. The effect is experimentally demonstrated by measuring the optical Kerr effect along two different axes. The conditions ensuring an optimal field-free alternation of high alignments along both directions are derived. © 2005 The American Physical Society.