Optical Pulse-Shaping for Internal Cooling of Molecular Ions

Details Optical Pulse-Shaping for Internal Cooling of Molecular Ions Optical Pulse-Shaping for Internal Cooling of Molecular Ions

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..confefd07l&link_type=abstract

"International Symposium On Molecular Spectroscopy, 66th Meeting, Held 20-24 June, 2011 at Ohio State University. http://molspec

Physics

Mini-Symposium: Fundamental Physics

Scientific paper

We propose a scheme to use pulse-shaped femtosecond lasers to optically cool the internal degrees of freedom of molecular ions. Since this approach relies on cooling rotational and vibrational quanta by exciting an electronic transition, it is most straightforward for molecular ions with diagonal Frank-Condon-Factors. The scheme has the advantage of requiring only tens of microseconds to reach equilibrium without blackbody radiation to redistribute the population. For AlH+, a candidate species, a rate equation simulation shows equilibrium is achieved in 15 μs.

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