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research article

High-resolution MHz time- and angle-resolved photoemission spectroscopy based on a tunable vacuum ultraviolet source

Hellbruck, Lukas  
•
Puppin, Michele  
•
Guo, Fei  
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March 1, 2024
Review Of Scientific Instruments

The time- and angle-resolved photoemission spectroscopy (trARPES) allows for direct mapping of the electronic band structure and its dynamic response on femtosecond timescales. Here, we present a new ARPES system, powered by a new fiber-based femtosecond light source in the vacuum ultraviolet range, accessing the complete first Brillouin zone for most materials. We present trARPES data on Au(111), polycrystalline Au, Bi2Se3, and TaTe2, demonstrating an energy resolution of 21 meV with a time resolution of <360 fs, at a high repetition rate of 1 MHz. The system is integrated with an extreme ultraviolet high harmonic generation beamline, enabling an excellent tunability of the time-bandwidth resolution.

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Type
research article
DOI
10.1063/5.0179549
Web of Science ID

WOS:001189287400002

Author(s)
Hellbruck, Lukas  
Puppin, Michele  
Guo, Fei  
Hickstein, Daniel D.
Benhabib, Siham  
Grioni, Marco  
Dil, J. Hugo  
Lagrange, Thomas  
Ronnow, Henrik M.  
Carbone, Fabrizio  
Date Issued

2024-03-01

Publisher

Aip Publishing

Published in
Review Of Scientific Instruments
Volume

95

Issue

3

Article Number

033007

Subjects

Technology

•

Physical Sciences

•

Light-Induced Superconductivity

•

Photoelectron-Spectroscopy

•

Ultrafast

•

Generation

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSE  
SCI-SB-HD  
FunderGrant Number

Lausanne Center for Ultrafast Science (LACUS)

European Research Council through the Consolidator network ISCQuM

771346

European Research Council through the Synergy network HERO

810451

Available on Infoscience
April 17, 2024
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/207254
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