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  Cavity-enhanced high harmonic generation for extreme ultraviolet time- and angle-resolved photoemission spectroscopy

Mills, A. K., Zhdanovich, S., Na, M. X., Boschini, F., Razzoli, E., Michiardi, M., et al. (2019). Cavity-enhanced high harmonic generation for extreme ultraviolet time- and angle-resolved photoemission spectroscopy. Review of Scientific Instruments, 90(8): 083001, pp. 1-9. doi:10.1063/1.5090507.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-BD1F-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-BD23-0
Genre: Journal Article

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 Creators:
Mills, A. K.1, Author
Zhdanovich, S.1, Author
Na, M. X.1, Author
Boschini, F.1, Author
Razzoli, E.1, Author
Michiardi, M.2, Author              
Sheyerman, A.1, Author
Schneider, M.1, Author
Hammond, T. J.1, Author
Süss, V.3, Author              
Felser, Claudia4, Author              
Damascelli, A.1, Author
Jones, D. J.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
3Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
4Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: With its direct correspondence to electronic structure, angle-resolved photoemission spectroscopy (ARPES) is a ubiquitous tool for the study of solids. When extended to the temporal domain, time-resolved (TR)-ARPES offers the potential to move beyond equilibrium properties, exploring both the unoccupied electronic structure as well as its dynamical response under ultrafast perturbation. Historically, ultrafast extreme ultraviolet sources employing high-order harmonic generation (HHG) have required compromises that make it challenging to achieve a high energy resolution-which is highly desirable for many TR-ARPES studies-while producing high photon energies and a high photon flux. We address this challenge by performing HHG inside a femtosecond enhancement cavity, realizing a practical source for TR-ARPES that achieves a flux of over 10(11) photons/s delivered to the sample, operates over a range of 8-40 eV with a repetition rate of 60 MHz. This source enables TR-ARPES studies with a temporal and energy resolution of 190 fs and 22 meV, respectively. To characterize the system, we perform ARPES measurements of polycrystalline Au and MoTe2, as well as TR-ARPES studies on graphite. Published under license by AIP Publishing

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Language(s): eng - English
 Dates: 2019-08-082019-08-08
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000483885600011
DOI: 10.1063/1.5090507
 Degree: -

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Title: Review of Scientific Instruments
  Abbreviation : Rev. Sci. Instrum.
Source Genre: Journal
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Publ. Info: Melville, NY : AIP Publishing
Pages: - Volume / Issue: 90 (8) Sequence Number: 083001 Start / End Page: 1 - 9 Identifier: ISSN: 0034-6748
CoNE: https://pure.mpg.de/cone/journals/resource/991042742033452