Experimental Evidence of Photon Acceleration of Ultrashort Laser Pulses in Relativistic Ionization Fronts

Dias, J. M.; Stenz, C.; Lopes, Nelson; Badiche, X.; Blasco, F.; Santos, A. Dos; Silva, L. Oliveira e; Mysyrowicz, A.; Antonetti, A.; Mendonça, J. T.

doi:10.1103/physrevlett.78.4773

Cited by 103 publications

(62 citation statements)

References 17 publications

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“…The criteria used to define the limiting curves are as follows. Recent experimental results [7] have shown a very good agreement with this ray-tracing formalism. The results of the frequency up-shift in the co-and counter-propagation setups of this experiment allow us to determine the electron plasma density and the ionization front velocity, by using the 2D version of eq.…”

Section: Discussionsupporting

confidence: 61%

“…The results of the frequency up-shift in the co-and counter-propagation setups of this experiment allow us to determine the electron plasma density and the ionization front velocity, by using the 2D version of eq. (6) [7]. This clearly points to the feasibility of PAD for relativistic coherent structures in laser produced plasmas like that presented in [7].…”

Section: Discussionsupporting

confidence: 53%

“…To overcome this problem we need an independent measure of the phase velocity of the plasma wakefield, which can be obtained by comparing the frequency shift in coand counter-propagation, as demonstrated in recent photon acceleration experiments [7].…”

Section: Propagation Velocity Effectsmentioning

confidence: 99%

“…Other experiments were performed with the purpose of studying the frequency up-shift resulting from the interaction of short laser pulses with relativistic ionization fronts [6,7]. An estimate for the velocity of the ionization front and its maximum electron density was obtained, clearly pointing to the feasibility of a new diagnostic tool, the photon acceleration diagnostic (PAD).…”

Section: Introductionmentioning

confidence: 99%

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Photon acceleration as the laser wakefield diagnostic for future plasma accelerators

Dias

Lopes²,

Figueira³

et al.

Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366)

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In the near future, laser-plasma particle accelerators will be able to sustain electric fields in excess of 100 GeV/m, along plasma channels several Rayleigh lengths long. For these extreme conditions, present day laser wakefield diagnostics such as Frequency Domain Interferometry will not be able to resolve the wake field structure and determine the magnitude of the electric field. In this paper, we present a detailed comparison between frequency-domain interferometry and a photon acceleration based wake field diagnostic. We determine the experimental parameters for which photon acceleration becomes the only viable diagnostic technique. Dispersion effects on the probe beam and the implications of an arbitrary phase velocity of the plasma wave are discussed for both diagnostic techniques. We also propose an experimental set-up for a photon acceleration diagnostic allowing for the simultaneous measurement of the electric field structure and the laser wake field phase velocity. Comparison with results from photon acceleration experiments by ionization fronts will also be presented.

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Section: Discussionsupporting

confidence: 61%

Section: Discussionsupporting

confidence: 53%

Section: Propagation Velocity Effectsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Photon acceleration as the laser wakefield diagnostic for future plasma accelerators

Dias

Lopes²,

Figueira³

et al.

Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366)

Self Cite

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show abstract

“…On the other hand, chirps with a varying nonlinear rate of instantaneous frequency are also known and proposed in recent years. 19,20 Today by using prevalent technologies, there would be various methods for generating pulses with considerable chirp such as propagation of a short pulse through a dispersive medium, 22 passive modulation associated with self steepening effects in a Kerr active liquid, reflection of electromagnetic pulses from a relativistic ionization fronts, 23 internal modulation of the optical resonator, mode locking of a Nd glass laser method, 24 etc. Nowadays, the theoretical and experimental work in the field of chirped laser pulse interaction with plasma has been investigated in detail.…”

Section: Introductionmentioning

confidence: 99%

Effect of nonlinear chirped Gaussian laser pulse on plasma wake field generation

Afhami

Eslami

2014

AIP Advances

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An ultrashort laser pulse propagating in plasma can excite a nonlinear plasma wake field which can accelerate charged particles up to GeV energies within a compact space compared to the conventional accelerator devices. In this paper, the effect of different kinds of nonlinear chirped Gaussian laser pulse on wake field generation is investigated. The numerical analysis of our results depicts that the excitation of plasma wave with large and highly amplitude can be accomplished by nonlinear chirped pulses. The maximum amplitude of excited wake in nonlinear chirped pulse is approximately three times more than that of linear chirped pulse. In order to achieve high wake field generation, chirp parameters and functions should be set to optimal values.

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Experimental observation of photon acceleration of femtosecond laser pulses in relativistic under-dense ionization fronts

Stenz

Blasco

Dias³

et al. 1998

Springer Series in Chemical Physics

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Experimental Evidence of Photon Acceleration of Ultrashort Laser Pulses in Relativistic Ionization Fronts

Cited by 103 publications

References 17 publications

Photon acceleration as the laser wakefield diagnostic for future plasma accelerators

Photon acceleration as the laser wakefield diagnostic for future plasma accelerators

Effect of nonlinear chirped Gaussian laser pulse on plasma wake field generation

Experimental observation of photon acceleration of femtosecond laser pulses in relativistic under-dense ionization fronts

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