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SAMOP 2023 – scientific programme

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MO: Fachverband Molekülphysik

MO 14: Ultrafast Dynamics II (joint session MO/A)

MO 14.5: Talk

Thursday, March 9, 2023, 12:00–12:15, F102

High-resolution rapid-scanning two-dimensional electronic spectroscopy — •Nicolai Gölz, Friedemann Landmesser, Daniel Uhl, Frank Stienkemeier, and Lukas Bruder — Institute of Physics, University of Freiburg, Hermann-Herder-Str. 3, 79104 Freiburg, Germany

Two-dimensional electronic spectroscopy (2DES) is an effective ultrafast spectroscopic technique to study dynamics of matter with a high spectro-temporal resolution. Extending the method to weakly perturbed molecular and cluster species in the gas phase permits very high spectral resolution [1,2]. However, in this case, the attainable resolution is limited by the acquisition time of corresponding long delay scans. To solve this problem, we have implemented a rapid-scanning method developed by the Ogilvie group [3] which reduces the acquisition time by up to 2 orders of magnitude. First results will be presented.

[1] L. Bruder et al., Nat Commun 9, 4823 (2018)

[2] U. Bangert et al., Nature Communications 13:1, 3350 (2022)

[3] D. Agathangelou et al., J. Chem. Phys.155, 094201 (2021)

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