Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre.
Journal
Light, science & applications
ISSN: 2047-7538
Titre abrégé: Light Sci Appl
Pays: England
ID NLM: 101610753
Informations de publication
Date de publication:
12 Feb 2021
12 Feb 2021
Historique:
received:
21
09
2020
accepted:
18
01
2021
revised:
07
01
2021
entrez:
13
2
2021
pubmed:
14
2
2021
medline:
14
2
2021
Statut:
epublish
Résumé
Bright, coherent soft X-ray radiation is essential to a variety of applications in fundamental research and life sciences. To date, a high photon flux in this spectral region can only be delivered by synchrotrons, free-electron lasers or high-order harmonic generation sources, which are driven by kHz-class repetition rate lasers with very high peak powers. Here, we establish a novel route toward powerful and easy-to-use SXR sources by presenting a compact experiment in which nonlinear pulse self-compression to the few-cycle regime is combined with phase-matched high-order harmonic generation in a single, helium-filled antiresonant hollow-core fibre. This enables the first 100 kHz-class repetition rate, table-top soft X-ray source that delivers an application-relevant flux of 2.8 × 10
Identifiants
pubmed: 33579895
doi: 10.1038/s41377-021-00477-x
pii: 10.1038/s41377-021-00477-x
pmc: PMC7881106
doi:
Types de publication
Letter
Langues
eng
Pagination
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