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

Treffert F, Curry CB, Chou HG, Crissman CJ, Deponte DP, Fiuza F, Glenn GD, Hollinger RC, Nedbailo R, Park J, Schönwälder C, Song H, Wang S, Rocca JJ, Roth M, Glenzer SH, Gauthier M (2022)

Publication Type: Journal article

Publication year: 2022

Journal

Applied Physics Letters American Institute of Physics (AIP)

Book Volume: 121

Article Number: 074104

Journal Issue: 7

DOI: 10.1063/5.0098973

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 5 × 10 10 deuterons/sr/pulse, corresponding to an average flux of 1.5 × 10 12 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.

Authors with CRIS profile

Christopher Schönwälder Lehrstuhl für Physik

Involved external institutions

Stanford National Accelerator Laboratory (SLAC) US United States (USA) (US) Colorado State University US United States (USA) (US) Technische Universität Darmstadt DE Germany (DE)

How to cite

APA:

Treffert, F., Curry, C.B., Chou, H.G., Crissman, C.J., Deponte, D.P., Fiuza, F.,... Gauthier, M. (2022). High-repetition-rate, multi-MeV deuteron acceleration from converging heavy water microjets at laser intensities of 1021W/cm2. Applied Physics Letters, 121(7). https://dx.doi.org/10.1063/5.0098973

MLA:

Treffert, F., et al. "High-repetition-rate, multi-MeV deuteron acceleration from converging heavy water microjets at laser intensities of 1021W/cm2." Applied Physics Letters 121.7 (2022).

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