High-repetition-rate, multi-MeV deuteron acceleration from converging heavy water microjets at laser intensities of 10<sup>21</sup> W/cm<sup>2</sup>-Reference-Cited by-同舟云学术

High-repetition-rate, multi-MeV deuteron acceleration from converging heavy water microjets at laser intensities of 10²¹ W/cm²

Published:2022-08-15 Issue:7 Volume:121 Page:074104
ISSN:0003-6951
Container-title:Applied Physics Letters
language:en
Short-container-title:Appl. Phys. Lett.

Author:

Treffert F.¹²^ORCID,Curry C. B.¹³^ORCID,Chou H.-G. J.¹⁴^ORCID,Crissman C. J.¹⁵^ORCID,DePonte D. P.¹^ORCID,Fiuza F.¹^ORCID,Glenn G. D.¹⁶^ORCID,Hollinger R. C.⁷^ORCID,Nedbailo R.⁷^ORCID,Park J.⁷^ORCID,Schoenwaelder C.¹⁸^ORCID,Song H.⁷^ORCID,Wang S.⁷^ORCID,Rocca J. J.⁷⁹^ORCID,Roth M.²^ORCID,Glenzer S. H.¹^ORCID,Gauthier M.¹^ORCID

Affiliation:

1. SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA

2. Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany

3. Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada

4. Physics Department, Stanford University, Stanford, California 94305, USA

5. United States Military Academy, West Point, New York 10996, USA

6. Applied Physics Department, Stanford University, Stanford, California 94305, USA

7. Electrical and Computer Engineering Department, Colorado State University, Fort Collins, Colorado 80521, USA

8. Friedrich-Alexander Universität Erlangen-Nürnberg, 91058 Erlangen, Germany

9. Physics Department, Colorado State University, Fort Collins, Colorado 80523, USA

Abstract

We demonstrate high repetition-rate deuteron acceleration by irradiating a continuously flowing, ambient temperature liquid heavy water jet with the high-intensity ALEPH laser. The laser delivered up to 5.5 J (120 TW, 1.2 × 1021 W/cm2) laser energy on target at 0.5 Hz. A high repetition-rate Thomson parabola spectrometer measured the deuteron beam energy spectra on each shot for 60 sequential shots (two minutes). Peak fluxes of [Formula: see text] deuterons/sr/pulse, corresponding to an average flux of [Formula: see text] deuterons/sr/min, were demonstrated with deuteron energies reaching up to 4.4 MeV. High shot-to-shot stability is observed up to 40%–50% of the maximum deuteron energy. These deuteron beams are suited for fast neutron production through deuteron breakup in a converter yielding energies similar to deuteron–deuteron (D–D, 2.45 MeV) fusion reactions of importance for material damage studies.

Funder

Fusion Energy Sciences

Basic Energy Sciences

National Nuclear Security Administration

Natural Sciences and Engineering Research Council of Canada

Publisher

AIP Publishing

Subject

Physics and Astronomy (miscellaneous)

Link

https://aip.scitation.org/doi/am-pdf/10.1063/5.0098973

Reference58 articles.