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Journal Articles Journal of Physics: Conference Series Year : 2020

Photoionization microscopy: linear polarization rotation effects

Abstract

Photoionization microscopy (PM) aims at imaging the flux of slow (meV) electrons released by atomic photoionization in the presence of a static electric field. We discuss the rotation of the linear light polari-zation with respect to the electric field direction. Two-photon ionization out of an m=0 initial state allows for the population of |m|=0,1,2 Stark states. The resulting |m|-beating effects in the PM images are demonstrated theoretically (in hydrogen atom) and experimentally (in Mg atom). Implications on the applicability of tomographic techniques for slow electrons are also discussed.
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Dates and versions

hal-02931847 , version 1 (04-11-2020)

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P. Kalaïtzis, S. Danakas, Franck Lépine, C. Bordas, S. Cohen. Photoionization microscopy: linear polarization rotation effects. Journal of Physics: Conference Series, 2020, 1412, pp.152095. ⟨10.1088/1742-6596/1412/15/152095⟩. ⟨hal-02931847⟩
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