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Towards High-Repetition-Rate Fast Neutron Sources Using Novel Enabling Technologies

Treffert, Franziska ; Curry, Chandra B. ; Ditmire, Todd ; Glenn, Griffin D. ; Quevedo, Hernan J. ; Roth, Markus ; Schoenwaelder, Christopher ; Zimmer, Marc ; Glenzer, Siegfried H. ; Gauthier, Maxence (2022)
Towards High-Repetition-Rate Fast Neutron Sources Using Novel Enabling Technologies.
In: Instruments, 5 (4)
doi: 10.3390/instruments5040038
Artikel, Bibliographie

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Kurzbeschreibung (Abstract)

High-flux, high-repetition-rate neutron sources are of interest in studying neutron-induced damage processes in materials relevant to fusion, ultimately guiding designs for future fusion reactors. Existing and upcoming petawatt laser systems show great potential to fulfill this need. Here, we present a platform for producing laser-driven neutron beams based on a high-repetition-rate cryogenic liquid jet target and an adaptable stacked lithium and beryllium converter. Selected ion and neutron diagnostics enable monitoring of the key parameters of both beams. A first single-shot proof-of-principle experiment successfully implemented the presented platform at the Texas Petawatt Laser facility, achieving efficient generation of a forward-directed neutron beam. This work lays the foundation for future high-repetition-rate experiments towards pulsed, high-flux, fast neutron sources for radiation-induced effect studies relevant for fusion science and applications that require neutron beams with short pulse duration.

Typ des Eintrags: Artikel
Erschienen: 2022
Autor(en): Treffert, Franziska ; Curry, Chandra B. ; Ditmire, Todd ; Glenn, Griffin D. ; Quevedo, Hernan J. ; Roth, Markus ; Schoenwaelder, Christopher ; Zimmer, Marc ; Glenzer, Siegfried H. ; Gauthier, Maxence
Art des Eintrags: Bibliographie
Titel: Towards High-Repetition-Rate Fast Neutron Sources Using Novel Enabling Technologies
Sprache: Englisch
Publikationsjahr: 2022
Verlag: MDPI
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Instruments
Jahrgang/Volume einer Zeitschrift: 5
(Heft-)Nummer: 4
Kollation: 21 Seiten
DOI: 10.3390/instruments5040038
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Kurzbeschreibung (Abstract):

High-flux, high-repetition-rate neutron sources are of interest in studying neutron-induced damage processes in materials relevant to fusion, ultimately guiding designs for future fusion reactors. Existing and upcoming petawatt laser systems show great potential to fulfill this need. Here, we present a platform for producing laser-driven neutron beams based on a high-repetition-rate cryogenic liquid jet target and an adaptable stacked lithium and beryllium converter. Selected ion and neutron diagnostics enable monitoring of the key parameters of both beams. A first single-shot proof-of-principle experiment successfully implemented the presented platform at the Texas Petawatt Laser facility, achieving efficient generation of a forward-directed neutron beam. This work lays the foundation for future high-repetition-rate experiments towards pulsed, high-flux, fast neutron sources for radiation-induced effect studies relevant for fusion science and applications that require neutron beams with short pulse duration.

Freie Schlagworte: high power lasers, ultra-intense laser, high repetition rate, cryogenic liquids, liquid jets, plasma physics, ion acceleration, neutron source
Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 530 Physik
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften und Maschinenbau
Fachbereich(e)/-gebiet(e): 05 Fachbereich Physik
05 Fachbereich Physik > Institut für Kernphysik
Hinterlegungsdatum: 02 Jul 2024 23:13
Letzte Änderung: 02 Jul 2024 23:13
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