SAMOP 2023 – scientific programme
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A: Fachverband Atomphysik
A 34: Ultrafast Dynamics III (joint session MO/A)
A 34.3: Talk
Friday, March 10, 2023, 15:00–15:15, F102
Ultrafast dynamics of OCS — •Wuwei Jin1, Sebastian Trippel1,3, Hubertus Bromberger1,3, Tobias Röhling1, Karol Dlugolecki1, Sergey Ryabchuk1, Erik Månsson1, Andrea Trabattoni1, Vincent Wanie1, Ivo Vinklárek4, Francesca Calegari1, and Jochen Küpper1,2,3 — 1Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Hamburg — 2Department of Physics, Universität Hamburg — 3Center for Ultrafast Imaging, Universität Hamburg — 4Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
Imaging ultrafast photochemical reactions with atomic-spatial and femtosecond-temporal resolution is one of the ultimate goals of physical chemistry and the molecular sciences [1]. We will discuss our ultrafast (sub 10 fs) time-resolved study of the photodissociation dynamics of carbonyl sulfide (OCS) after UV-photoexcitation at λ=267 nm. OCS was purified and separated from the helium seed gas using the electrostatic deflector [2]. The UV-induced dynamics was studied through strong field ionization using a velocity map imaging spectrometer in combination with a Timepix3 camera [3].
[1] J Onvlee, S Trippel, and J Küpper, doi:10.1038/s41467-022-33901-w, arXiv:2103.07171 [physics]
[2] YP Chang, D Horke, S Trippel, and J Küpper, Int. Rev. Phys. Chem. 34, 557 (2015), arXiv:1505.05632 [physics]
[3] H Bromberger, et al., J. Phys. B Atomic Mol. Opt. Phys. 55, 144001 (2022), arXiv:2111.14407 [physics]