In this paper, we present the HELIOS (High Energy Laser Induced Overtone Source) laboratory, an in-house high-order harmonic generation facility which generates extreme ultraviolet (XUV) photon pulses in the range of 15-70 eV with monochromatized XUV pulse lengths below 35 fs. HELIOS is a source for time-resolved pump-probe/two-color spectroscopy in the sub-50 fs range, which can be operated at 5 kHz or 10 kHz. An optical parametric amplifier is available for pump-probe experiments with wavelengths ranging from 240 nm to 20 000 nm. The produced XUV radiation is monochromatized by a grating in the so-called off-plane mount. Together with overall design parameters, first monochromatized spectra are shown with an intensity of 2 ⋅ 1010 photons/s (at 5 kHz) in the 29th harmonic, after the monochromator. The XUV pulse duration is measured to be <25 fs after monochromatization.
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December 2015
Research Article|
December 18 2015
HELIOS—A laboratory based on high-order harmonic generation of extreme ultraviolet photons for time-resolved spectroscopy
S. Plogmaker;
S. Plogmaker
Department of Physics and Astronomy, Molecular and Condensed Matter Physics,
Uppsala University
, P.O. Box 516, 75120 Uppsala, Sweden
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J. A. Terschlüsen;
J. A. Terschlüsen
Department of Physics and Astronomy, Molecular and Condensed Matter Physics,
Uppsala University
, P.O. Box 516, 75120 Uppsala, Sweden
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N. Krebs;
N. Krebs
Department of Physics and Astronomy, Molecular and Condensed Matter Physics,
Uppsala University
, P.O. Box 516, 75120 Uppsala, Sweden
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M. Svanqvist
;
M. Svanqvist
c)
Department of Physics and Astronomy, Molecular and Condensed Matter Physics,
Uppsala University
, P.O. Box 516, 75120 Uppsala, Sweden
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J. Forsberg;
J. Forsberg
d)
Department of Physics and Astronomy, Molecular and Condensed Matter Physics,
Uppsala University
, P.O. Box 516, 75120 Uppsala, Sweden
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U. B. Cappel;
U. B. Cappel
Department of Physics and Astronomy, Molecular and Condensed Matter Physics,
Uppsala University
, P.O. Box 516, 75120 Uppsala, Sweden
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J.-E. Rubensson;
J.-E. Rubensson
Department of Physics and Astronomy, Molecular and Condensed Matter Physics,
Uppsala University
, P.O. Box 516, 75120 Uppsala, Sweden
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H. Siegbahn
;
H. Siegbahn
Department of Physics and Astronomy, Molecular and Condensed Matter Physics,
Uppsala University
, P.O. Box 516, 75120 Uppsala, Sweden
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J. Söderström
J. Söderström
a)
Department of Physics and Astronomy, Molecular and Condensed Matter Physics,
Uppsala University
, P.O. Box 516, 75120 Uppsala, Sweden
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a)
Authors to whom correspondence should be addressed. Electronic addresses: Stefan.Plogmaker@physics.uu.se; Joachim.Terschluesen@physics.uu.se; and Johan.Soderstrom@physics.uu.se
b)
S. Plogmaker and J. Terschlüsen contributed equally to this work.
c)
Present address: Swedish Defense Research Agency, FOI, SE-14725 Tumba, Sweden.
d)
Present address: MAX VI Laboratory, Lund, Sweden.
Rev. Sci. Instrum. 86, 123107 (2015)
Article history
Received:
March 06 2015
Accepted:
November 17 2015
Citation
S. Plogmaker, J. A. Terschlüsen, N. Krebs, M. Svanqvist, J. Forsberg, U. B. Cappel, J.-E. Rubensson, H. Siegbahn, J. Söderström; HELIOS—A laboratory based on high-order harmonic generation of extreme ultraviolet photons for time-resolved spectroscopy. Rev. Sci. Instrum. 1 December 2015; 86 (12): 123107. https://doi.org/10.1063/1.4937463
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