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24 April 2019 High order harmonics generation via laser reflection at electron density peaks
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Abstract
A novel regime of high frequency radiation generation via reflection at the electron density spikes in under- dense plasma is proposed. Intense driver laser pulse propagating in underdense plasma forms dense electron singularities near the front part of the bow waves, moving at relativistic velocity. By irradiating a source pulse counterpropagating to the electron density singularities, it is reflected and compressed, producing ultrashort coherent high order harmonics with frequency upshift.
Conference Presentation
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jie Mu, Yanjun Gu, Tae Moon Jeong, Petr Valenta, Ondrej Klimo, Timur Zh. Esirkepov, Alexander S. Pirozhkov, James K. Koga, Masaki Kando, Georg Korn, and Sergei V. Bulanov "High order harmonics generation via laser reflection at electron density peaks", Proc. SPIE 11039, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers IV, 110390H (24 April 2019); https://doi.org/10.1117/12.2524653
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