Photoelectron elliptical dichroism spectroscopy of resonance-enhanced multiphoton ionization via the 3s, 3p and 3d Rydberg series in Fenchone. - Archive ouverte HAL Access content directly
Journal Articles Physical Chemistry Chemical Physics Year : 2022

Photoelectron elliptical dichroism spectroscopy of resonance-enhanced multiphoton ionization via the 3s, 3p and 3d Rydberg series in Fenchone.

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Abstract

The resonance-enhanced multiphoton ionization of chiral molecules by elliptically polarized laser pulses produces photoelectron angular distributions that are forward/backward asymmetric with respect to the light propagation axis. We investigate this photoelectron elliptical dichroism in the (2 + 1)-photon ionization of fenchone molecules, using wavelength tunable femtosecond UV pulses. We show that the photoelectron elliptical asymmetry is extremely sensitive to the intermediate resonant states involved in the ionization process, and enables electronic couplings to be revealed that do not show up so clearly when using circularly polarized light.
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hal-03547281 , version 1 (28-01-2022)

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Sandra Beauvarlet, Etienne Bloch, Debobrata Rajak, Dominique Descamps, Baptiste Fabre, et al.. Photoelectron elliptical dichroism spectroscopy of resonance-enhanced multiphoton ionization via the 3s, 3p and 3d Rydberg series in Fenchone.. Physical Chemistry Chemical Physics, In press, ⟨10.1039/D1CP05618B⟩. ⟨hal-03547281⟩

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