Control of the photodissociation of CsCl |
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| Authors: | A Glass T Rozgonyi T Feurer R Sauerbrey G Szabó |
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| Institution: | Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universit?t, Max-Wien-Platz 1, 07743 Jena, Germany, DE
Department of Optics and Quantum Electronics, JATE University, Dóm tér 9, 6720 Szeged, Hungary, HU
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| Abstract: | A femtosecond UV laser pulse is used to resonantly excite CsCl molecules from the ionically bound ground state to the first
excited repulsive state. The excitation leads to the dissociation of CsCl. After a certain time delay a visible (VIS) femtosecond
laser pulse interrupts the dissociation process by resonantly de-exciting the molecule back to the ground state. According
to the Tannor–Rice control scheme, the fraction of dissociated CsCl molecules is controlled by changing the delay time between
the two fs laser pulses. The processes involved are investigated theoretically and experimentally. Based on the results, a
self-learning system has been realized, which is able to control the dissociation without any a priori knowledge of the molecule.
Received: 2 December 1999 / Published online: 24 July 2000 |
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| Keywords: | PACS: 42 50 -p 33 80 Eh |
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