Please use this identifier to cite or link to this item: http://dx.doi.org/10.25673/117690
Title: Boosting laboratory photoelectron spectroscopy by megahertz highorder harmonics
Author(s): Chiang, Cheng-TienLook up in the Integrated Authority File of the German National Library
Huth, MichaelLook up in the Integrated Authority File of the German National Library
Trützschler, Andreas
Kiel, Mario
Schumann, Frank O.
Kirschner, Jürgen
Widdra, Wolf
Issue Date: 2015
Type: Article
Language: English
Abstract: Since the discovery of the photoelectric effect, photoelectron spectroscopy has evolved into the most powerful technique for studying the electronic structure of materials. Moreover, the recent combination of photoelectron experiments with attosecond light sources using high-order harmonic generation (HHG) allows direct observation of electron dynamics in real time. However, the efficiency of these experiments is greatly limited by space-charge effects at typically low repetition rates of photoexcitation. Here, we demonstrate HHG-based laboratory photoemission experiments at a photoelectron count rate of 1 × 105 electrons/s and characterize the main features of the electronic band structure of Ag(001) within several seconds without significant degradation by the space-charge effects. The combination of a compact HHG light source at megahertz repetition rates with the efficient collection of photoelectrons using time-of-flight spectroscopy may allow rapid investigation of electronic bands in a flexible laboratory environment and pave the way for an efficient design of attosecond spectroscopy and microscopy.
URI: https://opendata.uni-halle.de//handle/1981185920/119650
http://dx.doi.org/10.25673/117690
Open Access: Open access publication
License: (CC BY 3.0) Creative Commons Attribution 3.0 Unported(CC BY 3.0) Creative Commons Attribution 3.0 Unported
Journal Title: New journal of physics
Publisher: Dt. Physikalische Ges.
Publisher Place: [Bad Honnef]
Volume: 17
Original Publication: 10.1088/1367-2630/17/1/013035
Page Start: 1
Page End: 8
Appears in Collections:Open Access Publikationen der MLU

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