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Ultrarelativistic nanoplasmonics as a route towards extreme-intensity attosecond pulses
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia.
Umeå University, Faculty of Science and Technology, Department of Physics.
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2011 (English)In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics, ISSN 1539-3755, Vol. 84, no 4, 046403- p.Article in journal (Refereed) Published
Abstract [en]

The generation of ultrastrong attosecond pulses through laser-plasma interactions offers the opportunity to surpass the intensity of any known laboratory radiation source, giving rise to new experimental possibilities, such as quantum electrodynamical tests and matter probing at extremely short scales. Here we demonstrate that a laser irradiated plasma surface can act as an efficient converter from the femto- to the attosecond range, giving a dramatic rise in pulse intensity. Although seemingly similar schemes have been described in the literature, the present setup differs significantly from the previous attempts. We present a model describing the nonlinear process of relativistic laser-plasma interaction. This model, which is applicable to a multitude of phenomena, is shown to be in excellent agreement with particle-in-cell simulations. The model makes it possible to determine a parameter region where the energy conversion from the femto- to the attosecond regime is maximal. Based on the study we propose a concept of laser pulse interaction with a target having a groove-shaped surface, which opens up the potential to exceed an intensity level of 10(26) W/cm(2) and observe effects due to nonlinear quantum electrodynamics with upcoming laser sources.

Place, publisher, year, edition, pages
Melville, N.Y.: American Physical Society through the American Institute of Physics , 2011. Vol. 84, no 4, 046403- p.
National Category
Physical Sciences
URN: urn:nbn:se:umu:diva-49961DOI: 10.1103/PhysRevE.84.046403ISI: 000296516400005OAI: diva2:458464
Available from: 2011-11-23 Created: 2011-11-22 Last updated: 2013-12-19Bibliographically approved
In thesis
1. Ultra-intense laser-plasma interaction for applied and fundamental physics
Open this publication in new window or tab >>Ultra-intense laser-plasma interaction for applied and fundamental physics
2013 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Rapid progress in ultra-intense laser technology has resulted in intensity levels surpassing 1022 W/cm2, reaching the highest possible density of electromagnetic energy amongst all controlled sources available in the laboratory. During recent decades, fast growth in available intensity has stimulated numerous studies based on the use of high intensity lasers as a unique tool for the initiation of nonlinear behavior in various basic systems: first molecules and atoms, then plasma resulting from the ionization of gases and solids, and, finally, pure vacuum. Apart from their fundamental importance, these studies reveal various mechanisms for the conversion of a laser pulse's energy into other forms, opening up new possibilities for generating beams of energetic particles and radiation with tailored properties. In particular, the cheapness and compactness of laser based sources of energetic protons are expected to make a revolution in medicine and industry.


In this thesis we study nonlinear phenomena in the process of laser radiation interacting with plasmas of ionized targets. We develop advanced numerical tools and use them for the simulation of laser-plasma interactions in various configurations relating to both current and proposed experiments. Phenomenological analysis of numerical results helps us to reveal several new effects, understand the physics behind them and develop related theoretical models capable of making general conclusions and predictions. We develop target designs to use studied effects for charged particle acceleration and for the generation of attosecond pulses of unprecedented intensity. Finally, we analyze prospects for experimental activity at the upcoming international high intensity laser facilities and uncover a basic effect of anomalous radiative trapping, which opens up new possibilities for fundamental science.

Place, publisher, year, edition, pages
Umeå: Umeå University, 2013. 85 p.
ultra-intense laser, femtosecond pulse, plasma, relativistic phenomena, laser-driven acceleration, attosecond pulse generation, radiation reaction
National Category
Physical Sciences
Research subject
urn:nbn:se:umu:diva-84245 (URN)978-91-7459-771-4 (ISBN)
Public defence
2014-01-13, S312, Samhällsvetarhuset, Umeå University, Umeå, 10:00 (English)
Available from: 2013-12-20 Created: 2013-12-19 Last updated: 2013-12-19Bibliographically approved

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Gonoskov, Arkady A.Korzhimanov, Artem V.Marklund, Mattias
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