System for time- and angle-resolved photoelectron spectroscopy based on an amplified femtosecond titanium:sapphire laser system

NR 20140805
A system for time- and angle-resolved photoelectron spectroscopy based on an amplified femtosecond titanium:sapphire laser system is described. Using this type of system, angle-resolved photoemission is extended to include the possibility of following the time development of excited electrons at and near a solid surface. Time resolution is accomplished by using pump-and-probe technique and the photoemitted electrons are energy analyzed in a time-of-fight detector. In order to perform photoemission, the near-infrared light from the titanium:sapphire laser is frequency up-converted to the vacuum ultraviolet range. This is accomplished by using the high peak power pulses from the laser system to produce short-wavelength radiation by means of harmonic generation. The system described uses cascaded frequency doubling and tripling, reaching a photon energy close to 10 eV. (C) 1996 American Institute of Physics.

Chiaia, G (author)
Karlsson, Ulf OKTH,Skolan för informations- och kommunikationsteknik (ICT),Materialfysik (author)
KTHSkolan för informations- och kommunikationsteknik (ICT) (creator_code:org_t)

In:Review of Scientific Instruments: AIP Publishing67:10, s. 3610-36150034-67481089-7623

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