Abstract
Laser driven high-order harmonic generation (HHG) from molecules depends on the particular symmetry of the highest occupied molecular orbital (HOMO) and its orientation with respect to the laser field. Recent work has shown that the HHG spectrum from aligned molecular samples can be used to determine the molecular structure with a unique time resolution [1,2]. So far these studies have been confined to simple diatomic and triatomic molecular systems. The present work extends this approach to significantly more complex polyatomic molecules, namely acetylene (HC=CH) and allene H2C=C=CH2), whose HOMOs are represented in the insets of Fig. 1.
© 2007 IEEE
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