New PDF release: High-Resolution Experiments on Strong-Field Ionization of

By Lutz Fechner

In this thesis, the ionization of atoms and small molecules in powerful laser fields is experimentally studied utilizing a response microscope. The inhabitants of autoionizing doubly excited states within the laser fields is confirmed and a potential connection to the well known dielectronic recombination techniques is discussed.
The primary strategy of tunnel ionization in robust laser fields is topic of research in a pump-probe scan with ultrashort laser pulses. A coherent superposition of digital states in singly charged argon ions is created in the first, and for this reason tunnel-ionized with the second one pulse. this provides entry to state-selective information regarding the tunneling procedure and permits to check universal models. Moreover, the ionization of krypton and argon at assorted wavelengths is studied, from the multiphoton to the tunneling regime. The wavelength-dependent investigations are additionally prolonged to molecular hydrogen. as well as ionization, the program could suffer diversified dissociative methods. Channel-selective electron momentum distributions are offered and in comparison to every one other.

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High-Resolution Experiments on Strong-Field Ionization of Atoms and Molecules: Test of Tunneling Theory, the Role of Doubly Excited States, and Channel-Selective Electron Spectra (Springer Theses) by Lutz Fechner


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