Complete dissociation by chirped laser pulses designed by adiabatic Floquet analysis
- 1 August 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 56 (2) , 1458-1462
- https://doi.org/10.1103/physreva.56.1458
Abstract
The tools of adiabatic Floquet theory are developed to study the control of population transfer by intense chirped laser pulses. We give a formulation of the adiabatic evolution for systems with a slowly varying frequency, which exhibits an effective frequency carrying relevant physical information. These tools are applied to dissociation. The path leading to dissociation corresponds to a single instantaneous Floquet state evolving adiabatically. We obtain 96% dissociation of the HF molecule by a chirped ultrashort infrared laser pulse of duration 2.3 ps and intensity 10(13) W/cm(2).Keywords
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