The development of an optical centrifuge for chemical dynamics studies as probed through time-resolved coherent Raman scattering

Christopher Kliewer

doi:10.1117/12.2636344

3 October 2022 The development of an optical centrifuge for chemical dynamics studies as probed through time-resolved coherent Raman scattering

Christopher Kliewer

Author Affiliations +

Proceedings Volume PC12228, Ultrafast Nonlinear Imaging and Spectroscopy X; PC1222808 (2022) https://doi.org/10.1117/12.2636344
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

The selective control of population in the various degrees of freedom in molecules has opened the possibility for unprecedented understanding of reactive potential energy surfaces in gas phase chemical physics. While significant work has been dedicated to understanding, and controlling, the vibrational and translational degrees of molecular freedom, far less attention has been paid to the direct molecular control of rotational energy. In part, this is due to the quantum mechanical selection rules that govern rotational excitation. In this talk an optical molecular centrifuge has been developed and used for extreme rotational excitation of molecules. Coherence beating and energy transfer processes of these super-rotors are followed through coherent nonlinear scattering of the evolving rotational wavepacket.

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Christopher Kliewer "The development of an optical centrifuge for chemical dynamics studies as probed through time-resolved coherent Raman scattering", Proc. SPIE PC12228, Ultrafast Nonlinear Imaging and Spectroscopy X, PC1222808 (3 October 2022); https://doi.org/10.1117/12.2636344

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