laser plasma wakefield accelerator
An ultrashort pulse ultra-violet radiation undulator source driven by a laser plasma wakefield accelerator
... Narrow band undulator radiation tuneable over the wavelength range of 150–260 nm has been produced by short electron bunches from a 2 mm long laser plasma wakefield accelerator based on a 20 ...
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Near-threshold electron injection in the laser-plasma wakefield accelerator leading to femtosecond bunches
... The laser–plasma wakefield accelerator (LWFA)[1] produces high quality relativistic electron beams with energies currently ranging from 100ʼs of MeV to several GeV by exploiting the large electric ...
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Near threshold electron injection in the laser plasma wakefield accelerator leading to femtosecond bunches
... single laser beam for two different experimental conditions, observing 1 – 2 fs structure containing ∼ 10 pC of charge, resulting in 1–10 kA peak ...the accelerator exit is ...
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Three electron beams from a laser-plasma wakefield accelerator and the energy apportioning question
... driving laser; beams with MeV energy and nC-level charge emitted in a broad forward directed cone; and beams with 100 s of keV energy and nC-level charge accelerated ...the laser propagation ...intense ...
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Pepper-pot emittance measurement of laser-plasma wakefield accelerated electrons
... A laser-plasma wakefield accelerator 1 combined with a magnetic undulator, can provide a source of synchrotron radiation from a device that is hundreds of times smaller and cheaper than ...
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Undulator radiation driven by laser-wakefield accelerator electron beams
... Advanced Laser-Plasma High-Energy Accelerators towards X-rays (ALPHA-X) programme is developing laser-plasma accelerators for the production of ultra-short electron bunches with subsequent ...
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Phase-contrast imaging using radiation sources based on laser-plasma wakefield accelerators : state of the art and future development
... the laser-plasma wakefield accelerator (LWFA) and X-ray phase-contrast imaging (XPCi) are promising technologies that are attracting the attention of the scientific ...surfing plasma ...
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Demonstration of passive plasma lensing of a laser wakefield accelerated electron bunch
... all-optical plasma lensing using a two-stage setup. An intense femtosecond laser accelerates electrons in a laser wakefield accelerator (LWFA) to 100 MeV over millimeter length ...the ...
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Plasma Wakefield Accelerator Research 2019 - 2040 : a community-driven UK roadmap compiled by the Plasma Wakefield Accelerator Steering Committee (PWASC)
... the laser pulse into each stage requires an optic of several metres focal length which would decrease the average acceleration gradient substantially if the drive focusing and accelerator stages were ...
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High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator
... the accelerator exit to 1–2ps at a distance of 1mm from the laser axis, depending on foil size and ...the laser axis, showing that the spectrum shifts towards lower frequencies as the electron beam ...
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Cárdenas Armas, Daniel E. (2017): Few-cycle laser-driven electron accelerators. Dissertation, LMU München: Fakultät für Physik
... in plasma, plasmons, has an associated electrostatic field which surpasses the current state-of-the-art radio-frequency accelerator technology (50 MV/m) by several orders of magnitude (> 10 3 − 10 4 ); ...
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Faraday-rotation self-interference method for electron beam duration measurement in the laser wakefield accelerator
... intense laser-plasma interactions," Nature 431, 535 ..."Quasi-monoenergetic laser-plasma acceleration of electrons to 2 GeV," Nat Commun ...Subpetawatt Laser Pulses in the ...
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Coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator
... high-intensity laser pulse propagates in an underdense ...the laser propagation ...the plasma-vacuum ...the accelerator, causing a shift of the radiation frequency peak from about 1 THz at a ...
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Electron energy increase in a laser wakefield accelerator using up-ramp plasma density profiles
... the wakefield can be manipulated by upward plasma ...as laser spectral phase, wavefront shape, full-scale of density profiles and so on, which could further boost and enhance the parameters of the ...
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First measurements of Trojan Horse injection in a plasma wakefield accelerator
... preionization laser arm, and on injection and diagnostics laser ...preionization laser pulse requires a vacuum compressor, and at the same time, especially for robust full but selective preionization ...
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Generation of electron high energy beams with a ring-like structure by a dual stage laser wakefield accelerator
... and acceleration inside the plasma bubble. On the other hand, the annular electron structure has a quasi- monoenergetic energy distribution, which corresponds to a singular localised injection event. The ...
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Ultralow-emittance measurement of high-quality electron beams from a laser wakefield accelerator
... Longitudinal plasma density profile in simulations. (b)-(f) Plasma density distribution and wakefield structure in the 2D PIC simulation at x = ...
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Chou, Shao-Wei (2016): Investigation of electron acceleration and deceleration in plasmas. Dissertation, LMU München: Fakultät für Physik
... the wakefield of a plasma excited by a high intensity laser pulse [Tajima and Dawson, 1979], and later in 1985, Chen et ...the plasma wakefield for the electron acceleration [Chen et ...
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Observation of laser power amplification in a self injecting laser wakefield accelerator
... We report on the depletion and power amplification of the driving laser pulse in a strongly-driven laser wakefield accelerator. Simultaneous measurement of the transmitted pulse energy and ...
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A Dual Grating Waveguide Structure for Wakefield Acceleration at THz
... advanced accelerator concept, wakefield acceleration of charged particles in slow wave structure waveguides attracts much ...The wakefield is then used to accelerate a second trailing group of ...
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