Generation of gamma-rays with low-energy picosecond laser pulses

Daniel DeCiccio; Keith Bisogno; Bernhard W. Adams; Christoph Rose-Petruck

doi:10.1117/12.2677657

3 October 2023 Generation of gamma-rays with low-energy picosecond laser pulses

Daniel DeCiccio, Keith Bisogno, Bernhard W. Adams, Christoph Rose-Petruck

Proceedings Volume 12694, Advances in X-Ray/EUV Optics and Components XVIII; 126940A (2023) https://doi.org/10.1117/12.2677657
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

We demonstrate high-energy x-ray (HEX-ray) generation using 3-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 spectrum follows approximately a Boltzmann energy distribution with a maximum HEX-ray “temperature” of 350 to 440 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, compact HEX-ray sources driven with kilowatt average laser power are achievable very soon.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Daniel DeCiccio, Keith Bisogno, Bernhard W. Adams, and Christoph Rose-Petruck "Generation of gamma-rays with low-energy picosecond laser pulses", Proc. SPIE 12694, Advances in X-Ray/EUV Optics and Components XVIII, 126940A (3 October 2023); https://doi.org/10.1117/12.2677657

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