Relativistic high harmonic generation using a PW level short-pulse laser

Milenko Vescovi; Marvin Elias Paul Umlandt; Stefan Assenbaum; Thomas Meric; Martin Rehwald; Florian Kroll; Radka Stefanikova; Thomas Püschel; Irene Prencipe; Stephan Kraft; Ulrich Schramm; Karl Zeil

doi:10.1117/12.2665671

8 June 2023 Relativistic high harmonic generation using a PW level short-pulse laser

Milenko Vescovi, Marvin Elias Paul Umlandt, Stefan Assenbaum, Thomas Meric, Martin Rehwald, Florian Kroll, Radka Stefanikova, Thomas Püschel, Irene Prencipe, Stephan Kraft, Ulrich Schramm, Karl Zeil

Author Affiliations +

Proceedings Volume PC12582, Compact Radiation Sources from EUV to Gamma-rays: Development and Applications; PC125820N (2023) https://doi.org/10.1117/12.2665671
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic

Abstract

We report on the measurement of XUV harmonic spectra between 53nm and 17nm wavelength emitted from solid targets driven by a short pulse (30fs FWHM) PW laser with peak intensity up to 6 x 10^21 W/cm2. Experiments were carried with a variety of target materials (metal foils, plastic foils, glass substrates), thicknesses (tens of nm to micron range) and laser parameters. This allowed us to study the influence of these parameters on the harmonic emission and gain insight into the interaction of the pump laser with the target front surface, where most of the energy absorption takes place. We explore the correlation between the dynamics on this target region and the proton acceleration from the laser target interaction by complementing the XUV spectrum measurements with simultaneous proton spectra for the different aforementioned conditions.

Conference Presentation

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Milenko Vescovi, Marvin Elias Paul Umlandt, Stefan Assenbaum, Thomas Meric, Martin Rehwald, Florian Kroll, Radka Stefanikova, Thomas Püschel, Irene Prencipe, Stephan Kraft, Ulrich Schramm, and Karl Zeil "Relativistic high harmonic generation using a PW level short-pulse laser", Proc. SPIE PC12582, Compact Radiation Sources from EUV to Gamma-rays: Development and Applications, PC125820N (8 June 2023); https://doi.org/10.1117/12.2665671

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