Enhanced relativistic harmonics by electron nanobunching

Brügge, D. an der; Pukhov, A.

doi:10.1063/1.3353050

Cited by 164 publications

(158 citation statements)

References 16 publications

Supporting

Mentioning

145

Contrasting

Order By: Relevance

“…Furthermore, based on the phenomenological assumption of electron nanobunches appearing in the plasma and emitting radiation, it was shown in Ref. [21] that the spectra can be much flatter than predicted by the OMM. Moreover, the OMM assumes as a prerequisite that the incident and backradiated amplitudes at the ARP are equal, in accordance with the Leontovich boundary conditions (which is in direct correspondence to the local energy conservation).…”

Section: Introductionmentioning

confidence: 99%

Ultrarelativistic nanoplasmonics as a route towards extreme-intensity attosecond pulses

et al. 2011

View full text Add to dashboard Cite

Marklund, M., Sergeev, A. (2011) Ultrarelativistic nanoplasmonics as a route towards extreme-intensity attosecond pulses.Physical Review E. Statistical, Nonlinear, and Soft Matter Physics, 84(4) 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.

show abstract

Section: Introductionmentioning

confidence: 99%

Ultrarelativistic nanoplasmonics as a route towards extreme-intensity attosecond pulses

et al. 2011

View full text Add to dashboard Cite

show abstract

“…In figures 6(a-d) the radiation spectra for various combinations of the parameter S are shown, and where the power decay indexes 5/3 are observed for these cases. Figure 6(c) shows for comparison a PIC harmonic spectrum from an ultrarelativistic laser-plasma interaction, characterized by a ∼4/3 power decay index, reported by other authors [13]. …”

Section: Plasma and Harmonic Emission From Relativistic Electrons Permentioning

confidence: 99%

Plasma effects in harmonic emission in relativistic laser interactions with overdense plasma targets examined from single particle radiation models

Ondarza-Rovira

Boyd

2012

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

Multiple attosecond pulse generation in relativistically laser-driven overdense plasmas X Lavocat-Dubuis, F Vidal, J-P Matte et al.High-order harmonic generation using plasma mirrors F Quéré, C Thaury, H George et al. Abstract. Intense femtosecond laser pulses incident on supercritical plasmas can generate reflected high-order harmonics of the fundamental frequency that extend over the xuv spectral region, characterized by a power decay Pm ∼ m −p , where m is the harmonic number. It has been shown in earlier reports that plasma effects can modify the emission spectrum producing decay indexes p significantly weaker than the universal value 8/3 predicted by the similarity theory, these being within the range 4/3 ≤ p ≤ 8/3. In this paper we employ two single particle radiation models to demonstrate that plasma density effects substantially modify the emission radiated by a relativistic electron accelerated by the electric field of the laser pulse, and show that the harmonic power decay is commonly characterized by the indexes 4/3 and 5/3, with remarkable similitudes to those particle-in-cell results recently reported in ultrarelativistic laser-plasma interactions.

show abstract

“…The situation for HHG from plasma surfaces is similar to HHG from noble gases; a circularly polarized laser pulse is generally not suitable to generate circularly polarized laser harmonics. Under normal incidence geometry, it is not efficient in driving the motion of electron population at plasma surfaces which is required to Doppler upshift the laser fundamental frequency [17][18][19]. Under oblique incidence, although a circularly polarized incident laser has equal energy in its p− and s−polarized components, the harmonic yields from these two polarization components are not the same.…”

Section: Introductionmentioning

confidence: 99%

“…In fact, the field has become a focus of research in the nonlinear optics of HHG. Compared to HHG from noble gases, HHG from plasma surfaces [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] does not subject to the limitation of maximum applied laser intensity and can thus use the state-of-the-art terawatt and petawatt laser technology, which will improve attosecond pulse energy, making it potentially useful to pump-probe experiments [29]. There is a strong motivation to seek circularly polarized attosecond XUV light source by HHG from plasma surfaces.…”

Section: Introductionmentioning

confidence: 99%

Intense circularly polarized attosecond pulse generation from relativistic laser plasmas using few-cycle laser pulses

Ma¹,

Yu²,

Yu³

et al. 2016

Opt. Express

View full text Add to dashboard Cite

Abstract:We have investigated the polarization of attosecond light pulses generated from relativistic few-cycle laser pulse interaction with the surface of overdense plasmas using particle-in-cell simulation. Under suitable conditions, a desired polarization state of the generated attosecond pulse can be achieved by controlling the polarization of the incident laser. In particular, an elliptically polarized laser pulse of suitable ellipticity can generate an almost circularly polarized attosecond pulse without compromising the harmonic generation efficiency. The process is thus applicable as a new tabletop circularly-polarized XUV radiation source for probing attosecond phenomena with high temporal resolution. 8, 616-622 (2012). 2. I. Gierz, M. Lindroos, H. Höchst, C. R. Ast, and K. Kern, "Graphene sublattice symmetry and isospin determined by circular dichroism in angle-resolved photoemission spectroscopy," Nano Lett. 12, 3900-3904 (2012). 3. G. Schütz, M. Knülle, and H. Ebert, "Magnetic circular x-ray dichroism and its relation to local moments," Phys. Scripta 1993Scripta , 302 (1993 Phys. Rev. E 74, 065401 (2006). 22. K. Gál and S. Varró, "Polarization properties of high harmonics generated on solid surfaces," Opt. Commun. 198, 419 -431 (2001). 23. G. Veres, J. S. Bakos, I. B. Földes, K. Gál, Z. Juhász, G. Kocsis, and S. Szatmári, "Polarization of harmonics generated by ultrashort krf-laser pulses on solid surfaces," EPL 48, 390 (1999). 24. P. Gibbon, "Harmonic generation by femtosecond laser-solid interaction: A coherent "water-window" light source?" Phys. Rev. Lett. 76, 50-53 (1996). 25. L. A. Gizzi, D. Giulietti, A. Giulietti, P. Audebert, S. Bastiani, J. P. Geindre, and A. Mysyrowicz, "Simultaneous measurements of hard x rays and second-harmonic emission in fs laser-target interactions," Phys. Rev. Lett. 76, 2278Lett. 76, -2281Lett. 76, (1996

show abstract

Enhanced relativistic harmonics by electron nanobunching

Cited by 164 publications

References 16 publications

Ultrarelativistic nanoplasmonics as a route towards extreme-intensity attosecond pulses

Ultrarelativistic nanoplasmonics as a route towards extreme-intensity attosecond pulses

Plasma effects in harmonic emission in relativistic laser interactions with overdense plasma targets examined from single particle radiation models

Intense circularly polarized attosecond pulse generation from relativistic laser plasmas using few-cycle laser pulses

Contact Info

Product

Resources

About