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Rostock 2019 – scientific programme

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MO: Fachverband Molekülphysik

MO 12: High Resolution Spectroscopy and Precision Experiments

MO 12.8: Talk

Wednesday, March 13, 2019, 12:15–12:30, S HS 002 Biologie

The observation of non-adiabatic alignment of gas-phase molecules via an adapted opto-galvanic technique.Christian Matthaei1,2, •Matthew S. Robinson1, and Markus Gühr11Institut für Physik und Astronomie, Universität Potsdam, Potsdam, Germany — 2Current Address: Institut für Physikalische und Theoretische Chemie, Julius-Maximilians-Universität Würzburg, Germany

We have developed a new method for observing the non-adiabatic alignment of gas-phase molecules via an adapted opto-galvanic technique, in which the critical components of the detector are an oscilloscope and a 9V battery. In this talk I will discuss how we were able to observe the rotational wavepacket revivals of N2 and O2 molecules in a near-atmospheric pressure air mixture, after excitation by an ultrafast laser pulse, with high precision using this technique.

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