Cucini, Riccardo, Pincelli, Tommaso ORCID: 0000-0003-2692-2540, Panaccione, Giancarlo, Kopic, Damir, Frassetto, Fabio, Miotti, Paolo, Pierantozzi, Gian Marco, Peli, Simone, Fondacaro, Andrea, De Luisa, Aleksander, De Vita, Alessandro, Carrara, Pietro, Krizmancic, Damjan, Payne, Daniel T., Salvador, Federico, Sterzi, Andrea, Poletto, Luca, Parmigiani, Fulvio, Rossi, Giorgio and Cilento, Federico (2020). Coherent narrowband light source for ultrafast photoelectron spectroscopy in the 17-31 eV photon energy range. Struct. Dyn.-US, 7 (1). MELVILLE: AMER INST PHYSICS. ISSN 2329-7778

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Abstract

Here, we report on a novel narrowband High Harmonic Generation (HHG) light source designed for ultrafast photoelectron spectroscopy (PES) on solids. Notably, at 16.9 eV photon energy, the harmonics bandwidth equals 19 meV. This result has been obtained by seeding the HHG process with 230 fs pulses at 515 nm. The ultimate energy resolution achieved on a polycrystalline Au sample at 40 K is similar to 22 meV at 16.9 eV. These parameters set a new benchmark for narrowband HHG sources and have been obtained by varying the repetition rate up to 200 kHz and, consequently, mitigating the space charge, operating with approximate to 3x10(7) electrons/s and approximate to 5x10(8) photons/s. By comparing the harmonics bandwidth and the ultimate energy resolution with a pulse duration of similar to 105 fs (as retrieved from time-resolved experiments on bismuth selenide), we demonstrate a new route for ultrafast space-charge-free PES experiments on solids close to transform-limit conditions.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Cucini, RiccardoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pincelli, TommasoUNSPECIFIEDorcid.org/0000-0003-2692-2540UNSPECIFIED
Panaccione, GiancarloUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kopic, DamirUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Frassetto, FabioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Miotti, PaoloUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pierantozzi, Gian MarcoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Peli, SimoneUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fondacaro, AndreaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
De Luisa, AleksanderUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
De Vita, AlessandroUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Carrara, PietroUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Krizmancic, DamjanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Payne, Daniel T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Salvador, FedericoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sterzi, AndreaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Poletto, LucaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Parmigiani, FulvioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rossi, GiorgioUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cilento, FedericoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-351357
DOI: 10.1063/1.5131216
Journal or Publication Title: Struct. Dyn.-US
Volume: 7
Number: 1
Date: 2020
Publisher: AMER INST PHYSICS
Place of Publication: MELVILLE
ISSN: 2329-7778
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
HIGH-REPETITION-RATE; RADIATIONMultiple languages
Chemistry, Physical; Physics, Atomic, Molecular & ChemicalMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/35135

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