Sökning: "Single attosecond pulses"

Visar resultat 16 - 18 av 18 avhandlingar innehållade orden Single attosecond pulses.

  1. 16. Theoretical study of light-molecule nonlinear interactions

    Författare :Ke Zhao; Yi Luo; Fahmi Himo; Valdas Pasiskevicius; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Bioengineering; Bioteknik;

    Sammanfattning : The work presented in the thesis concerned theoretical study of light-matter nonlinear interactions. Two important aspects of such interactions have been examined, namely the nonlinear optical properties of a series of organic charge transfer molecules in solutions induced by the laser light and the propagation of the ultrafast high power laser through the nonlinear molecular medium. LÄS MER

  3. 17. Ultra-fast dynamics in atoms and molecules during photoionization: from attoseconds to femtoseconds

    Författare :Erik Månsson; Synkrotronljusfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; photoelectron spectroscopy; momentum imaging; coincident detection; correlation; direct double ionization; Born–Oppenheimer approximation; high harmonics; synchrotron radiation; Fysicumarkivet A:2014:Månsson;

    Sammanfattning : Treating the correlated behaviour of multiple particles is challenging for both theory and experiment. This thesis reports on a variety of experimental investigations aiming to advance the understanding of fundamental processes in atoms and molecules: double ionization, isomerization and dissociation. LÄS MER

  4. 18. Theoretical study on nonlinearoptical properties of organicchromophores in solutions

    Författare :Ke Zhao; Yi Luo; Ruth Pachter; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; two-photon absorption; solvent effects; aggregation effects; molecular dynamics simulation; Theoretical chemistry; Teoretisk kemi;

    Sammanfattning : Inter-molecular interactions have significant influences on linear and nonlinear optical properties of molecules including one- and two-photon absorptions, emissions, and various high order nonlinear polarizations. The related investigation has become an active and challenging research area. LÄS MER