Generation of MeV x-rays with 3-mJ, picosecond laser pulses

Daniel DeCiccio; Keith Bisogno; Bernhard W. Adams; Gaia Barbiero; Michael Rampp; Thomas Metzger; Christoph Rose-Petruck

doi:10.1117/12.2666404

8 June 2023 Generation of MeV x-rays with 3-mJ, picosecond laser pulses

Daniel DeCiccio, Keith Bisogno, Bernhard W. Adams, Gaia Barbiero, Michael Rampp, Thomas Metzger, Christoph Rose-Petruck

Proceedings Volume 12582, Compact Radiation Sources from EUV to Gamma-rays: Development and Applications; 125820B (2023) https://doi.org/10.1117/12.2666404
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic

Abstract

We demonstrate High-Energy X-ray (HEX-ray) generation using 2.8-mJ, 850fs pulses on a liquid metal target in a Laser Plasma X-ray Source (LPXS). The measured HEX-ray spectra reach into the MeV spectral range. The spectra follow Boltzmann energy distributions with a maximum HEX-ray “temperature” of 420 keV. The low laser intensity requirement, orders of magnitude less than previously reported, enables operation with widely available picosecond, millijoule laser systems with hundreds of Watt average laser power. Based on lasers with Yb-doped active media, HEX-ray sources driven with kilowatt average laser power are achievable in the very near future.

Conference Presentation

Citation Download Citation

Daniel DeCiccio, Keith Bisogno, Bernhard W. Adams, Gaia Barbiero, Michael Rampp, Thomas Metzger, and Christoph Rose-Petruck "Generation of MeV x-rays with 3-mJ, picosecond laser pulses", Proc. SPIE 12582, Compact Radiation Sources from EUV to Gamma-rays: Development and Applications, 125820B (8 June 2023); https://doi.org/10.1117/12.2666404

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