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14 May 2019 High harmonic generation and QED effects induced by relativistic oscillating mirror (Conference Presentation)
Yanjun Gu, Ondrej Klimo, Stefan Weber, Sergei Bulanov, Georg Korn
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Proceedings Volume 11039, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers IV; 110390G (2019) https://doi.org/10.1117/12.2524702
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic
Abstract
The laser-plasma interactions are dominated by the QED regime since intensities of the forthcoming laser facilities are approaching 10^{23-24} W/cm^2. Here we present the high brightness γ-photon emission and e^+e^- pair creation accompanied with the high harmonic generation. Relativistic oscillating mirror reflects the incident intense laser field and generates the focused attosecond pulse with enhanced intensity. A large number of high energy photons are emitted by the collisions between the radiation trapped electrons and the high harmonic pulses. The corresponding photons are counter-propagating through the strong laser field which provide a large cross section for pair creation. Relativistic positron bunches are generated and further accelerated in the reflected laser field.
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Yanjun Gu, Ondrej Klimo, Stefan Weber, Sergei Bulanov, and Georg Korn "High harmonic generation and QED effects induced by relativistic oscillating mirror (Conference Presentation)", Proc. SPIE 11039, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers IV, 110390G (14 May 2019); https://doi.org/10.1117/12.2524702
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KEYWORDS
High harmonic generation
Mirrors
Photons
Electrons
Pulsed laser operation
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