Multi-μJ harmonic emission energy from laser-driven plasma

Heissler, Patrick; Barna, A.; Mikhailova, Julia M.; Ma, Guangjin; Khrennikov, Konstantin; Karsch, Stefan; Veisz, László; Földeş, I; Tsakiris, George D.

doi:10.1007/s00340-014-5968-x

Cited by 25 publications

(14 citation statements)

References 38 publications

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“…5(b)). Notwithstanding appropriate modifications due to multi-dimensional effects, 35 the findings of our simulations indicate that an unrivalled high energy fluence for the strongest single AP of $10 4 J=cm 2 is reachable. This corresponds to $100 lJ in energy per single AP when we assume a 1 lm 2 source area.…”

Section: Discussionmentioning

confidence: 68%

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

Dallari

Borot

et al. 2015

Physics of Plasmas

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We have performed a systematic study through particle-in-cell simulations to investigate the generation of attosecond pulse from relativistic laser plasmas when laser pulse duration approaches the few-cycle regime. A significant enhancement of attosecond pulse energy has been found to depend on laser pulse duration, carrier envelope phase, and plasma scale length. Based on the results obtained in this work, the potential of attaining isolated attosecond pulses with ∼100 μJ energy for photons >16 eV using state-of-the-art laser technology appears to be within reach.

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Section: Discussionmentioning

confidence: 68%

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

Dallari

Borot

et al. 2015

Physics of Plasmas

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“…To date, ROM was observed up to multi-keV 25 , 26 energy in good agreement with theoretical predictions 9 . It is shown to provide well beamed radiation 27 , 28 and diffraction-limited focusing 29 , 30 . The motion of the plasma surface during the interaction (denting) influences the harmonic beam divergence 31 and reduces the coherence length of ROM harmonics 32 .…”

Section: Introductionmentioning

confidence: 99%

Spectral interferometry with waveform-dependent relativistic high-order harmonics from plasma surfaces

Kormin

Borot

et al. 2018

Nat Commun

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The interaction of ultra-intense laser pulses with matter opened the way to generate the shortest light pulses available nowadays in the attosecond regime. Ionized solid surfaces, also called plasma mirrors, are promising tools to enhance the potential of attosecond sources in terms of photon energy, photon number and duration especially at relativistic laser intensities. Although the production of isolated attosecond pulses and the understanding of the underlying interactions represent a fundamental step towards the realization of such sources, these are challenging and have not yet been demonstrated. Here, we present laser-waveform-dependent high-order harmonic radiation in the extreme ultraviolet spectral range supporting well-isolated attosecond pulses, and utilize spectral interferometry to understand its relativistic generation mechanism. This unique interpretation of the measured spectra provides access to unrevealed temporal and spatial properties such as spectral phase difference between attosecond pulses and field-driven plasma surface motion during the process.

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“…Relativistic high-order-harmonic generation (HHG) using reflection from solid-density targets may provide a mechanism for the efficient production of high-intensity phase-locked extreme-ultraviolet and x-ray radiation [1][2][3][4][5][6][7][8][9], potentially allowing the exploration of new regimes in non-linear attosecond optics at intensities beyond the capabilities of gas-based HHG [10]. In the relativistic regime, over-dense-plasma HHG can be described by the coherent synchrotron emission model [11][12][13], in which, during each optical cycle, a dense bunch of electrons is coherently driven by the laser and plasma fields through an instantaneously synchrotron-like orbit, emitting a subfemtosecond burst of intense high-frequency radiation.…”

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confidence: 99%

Waveform-Controlled Relativistic High-Order-Harmonic Generation

Edwards

Mikhailova

2016

Phys. Rev. Lett.

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We consider the efficiency limit of relativistic high-order-harmonic emission from solid targets achievable with tailored light fields. Using one-dimensional particle-in-cell simulations, the maximum energy conversion efficiency is shown to reach as high as 10% for the harmonics in the range of 80-200 eV and is largely independent of laser intensity and plasma density. The waveforms most effective at driving harmonics have a broad spectrum with a lower-frequency limit set by the width of the incident pulse envelope and an upper limit set by the relativistic plasma frequency.

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Multi-μJ harmonic emission energy from laser-driven plasma

Cited by 25 publications

References 38 publications

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

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

Spectral interferometry with waveform-dependent relativistic high-order harmonics from plasma surfaces

Waveform-Controlled Relativistic High-Order-Harmonic Generation

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