Hard X-ray generation from ZnO nanowire targets in a non-relativistic regime of laser-solid interactions

Samsonova Z, Hoefer S, Hollinger R, Kaempfer T, Uschmann I, Roeder R, Trefflich L, Rosmej O, Foerster E, Ronning C, Kartashov D, Spielmann C (2018)

Publication Type: Journal article

Publication year: 2018

Journal

Applied Sciences MDPI

Book Volume: 8

Article Number: 1728

Journal Issue: 10

DOI: 10.3390/app8101728

Abstract

We present a detailed investigation of X-ray emission from both flat and nanowire zinc oxide targets irradiated by 60 fs 5 × 1016 W/cm2 intensity laser pulses at a 0.8 μm wavelength. It is shown that the fluence of the emitted hard X-ray radiation in the spectral range 150-800 keV is enhanced by at least one order of magnitude for nanowire targets compared to the emission from a flat surface, whereas the characteristic Kα line emission (8.64 keV) is insensitive to the target morphology. Furthermore, we provide evidence for a dramatic increase of the fast electron flux from the front side of the nanostructured targets. We suggest that targets with nanowire morphology may advance development of compact ultrafast X-ray sources with an enhanced flux of hard X-ray emission that could find wide applications in highenergy density (HED) physics.

Involved external institutions

Friedrich-Schiller-Universität Jena DE Germany (DE) Helmholtz-Institut Jena (HI-Jena) / Helmholtz Institute Jena DE Germany (DE) GSI Helmholtzzentrum für Schwerionenforschung GmbH DE Germany (DE)

How to cite

APA:

Samsonova, Z., Hoefer, S., Hollinger, R., Kaempfer, T., Uschmann, I., Roeder, R.,... Spielmann, C. (2018). Hard X-ray generation from ZnO nanowire targets in a non-relativistic regime of laser-solid interactions. Applied Sciences, 8(10). https://doi.org/10.3390/app8101728

MLA:

Samsonova, Zhanna, et al. "Hard X-ray generation from ZnO nanowire targets in a non-relativistic regime of laser-solid interactions." Applied Sciences 8.10 (2018).

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