Manipulating slow photoelectron wave packets by rotation of the linear laser polarization

P Kalaitzis, S Danakas, C Bordas, S Cohen - Physical Review A, 2023 - APS
We study near-threshold atomic photoionization in the presence of an external uniform static
electric field, where the two-dimensional flux of the produced slow (meV) photoelectrons is …

Transition from correlated to single-active-electron excitation in strontium nonlinear ionization

A Dimitriou, V Loriot, A Marciniak, T Barillot, S Danakas… - Physical Review A, 2022 - APS
The nonlinear single and double ionization of Sr atoms as a result of their interaction with
800-nm Ti-sapphire laser pulses of 25-fs duration is experimentally investigated within the …

Ion and electron spectroscopy of strontium in the vicinity of the two-photon-excited state

A Dimitriou, S Cohen - Physical Review A, 2014 - APS
Two-photon ionization of ground-state strontium is investigated experimentally in the 360–
370-nm spectral range with dye laser pulses of long (∼ ns) duration and low (∼ 10 10 W …

Electron spectroscopy of strontium in the vicinity of the four-photon-excited 5p2 1S0 state

A Dimitriou, S Cohen - The European Physical Journal D, 2015 - Springer
We report on an electron energy analysis study conducted for the purpose of elucidating the
single and double ionization pathways when ground state strontium atoms interact with dye …

Electron Spectroscopy of strontium in the vicinity of four-photon excitation of the 5p2 1S0 state

A Dimitriou, S Cohen - Journal of Physics: Conference Series, 2015 - iopscience.iop.org
We present experimental photoelectron energy spectra and angular distributions from
multiphoton ionization of Sr by dye laser pulses of∼ ns duration in the wavelength range of …

Ionization of strontium atoms by ultrashort pulses of a Ti-Sapphire laser

A Dimitriou, A Marciniak, F Lepine… - Journal of Physics …, 2015 - iopscience.iop.org
We present experimental photoelectron spectra obtained by ionizing two-valence electron
Sr atoms with≈ 25 fs Ti-Sapphire laser pulses and we show preliminary evidence that …

Electron Spectroscopy of four-photon-ionized strontium in the 715-737 nm wavelength range

S Cohen, A Dimitriou - egas.lu.lv
We report on electron energy analysis experiments aiming to elucidate the single and
double ionization pathways when ground state strontium atoms interact with dye laser …