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Stuttgart 2012 – scientific programme

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MO: Fachverband Molekülphysik

MO 6: Femtosecond Spectroscopy I

MO 6.3: Talk

Monday, March 12, 2012, 17:00–17:15, V38.03

Magic-angle and anisotropy calculations for arbitrarily polarized pump–probe spectroscopyJohannes Buback, •Sebastian Schott, Andreas Steinbacher, Patrick Nuernberger, and Tobias Brixner — Institut für Physikalische und Theoretische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany

We calculate anisotropy effects in pump–probe transient-absorption experiments with arbitrarily polarized pump and probe pulses. The versatility of the approach allows us to simulate various experimental scenarios, e.g. with femtosecond laser pulses generated by a polarization pulse shaper, and to derive magic-angle conditions for which the pump–probe signal is independent of the angle between pump and probe transition dipole moments. Whereas this is well-known for studies with linearly polarized pump and probe pulses, we discuss specifically the case of a polarization-shaped pump pulse for quantum control experiments, as well as the case of a circularly polarized probe pulse for transient circular-dichroism measurements.

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