Photoelectron spectrometer for attosecond spectroscopy of liquids and gases
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2015-12
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Journal Article
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Abstract
A new apparatus for attosecond time-resolved photoelectron spectroscopy of liquids and gases is described. It combines a liquid microjet source with a magnetic-bottle photoelectron spectrometer and an actively stabilized attosecond beamline. The photoelectron spectrometer permits venting and pumping of the interaction chamber without affecting the low pressure in the flight tube. This pressure separation has been realized through a sliding skimmer plate, which effectively seals the flight tube in its closed position and functions as a differential pumping stage in its open position. A high-harmonic photon spectrometer, attached to the photoelectron spectrometer, exit port is used to acquire photon spectra for calibration purposes. Attosecond pulse trains have been used to record photoelectron spectra of noble gases, water in the gas and liquid states as well as solvated species. RABBIT scans demonstrate the attosecond resolution of this setup.
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published
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86 (12)
Pages / Article No.
123905
Publisher
American Institute of Physics
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03389 - Spencer, Nicholas (emeritus) / Spencer, Nicholas (emeritus)
03746 - Van Bokhoven, Jeroen A. / Van Bokhoven, Jeroen A.
03888 - Wörner, Hans Jakob / Wörner, Hans Jakob
02515 - Laboratorium für Physikalische Chemie / Laboratory of Physical Chemistry