• No results found

laser accelerated electron beams

Direct observation of plasma waves and dynamics induced by laser-accelerated electron beams

Direct observation of plasma waves and dynamics induced by laser-accelerated electron beams

... using electron beams accelerated with a 100-TW-class Ti:sapphire ...the laser-accelerated electron bunches are suitable to drive plasma waves at electron densities in the ...

13

Becker, Stefan
  

(2010):


	Dynamics and Transport of Laser-Accelerated Particle Beams.


Dissertation, LMU München: Fakultät für Physik

Becker, Stefan (2010): Dynamics and Transport of Laser-Accelerated Particle Beams. Dissertation, LMU München: Fakultät für Physik

... A tracking code [13] applying Eqs. (5) is used to calculate the free drift of the considered electron bunch in vacuum. Figure 3 compares results of different calculation methods at a later point in time than Fig. ...

138

Ultrahigh-charge electron beams from laser-irradiated solid surface

Ultrahigh-charge electron beams from laser-irradiated solid surface

... electronvolt electron beams with extremely high charge (∼100 nC) were generated ...such electron beams relies on the laser contrast and laser ...an electron acceleration ...

6

Enhance the Terahertz Wave by Varying the Laser Beam Intensity via Relativistic Plasma

Enhance the Terahertz Wave by Varying the Laser Beam Intensity via Relativistic Plasma

... on electron beams acceleration by means of synchrotron accelerators [12], or by impacting short laser pulses characterized with solid targets (nonlinear crystals or semiconductors) [13, ...pulse. ...

10

Guiding of relativistic electron beams in dense matter by laser-driven magnetostatic fields

Guiding of relativistic electron beams in dense matter by laser-driven magnetostatic fields

... background electron tempera- ture increase, respectively, by factors of ≈ ...of laser- accelerated high-energy particles sets the ground for laboratory studies in regimes of matter opacities and ...

9

Experimental evidence of radiation reaction in the collision of a high-intensity laser pulse with a laser-wakefield accelerated electron beam

Experimental evidence of radiation reaction in the collision of a high-intensity laser pulse with a laser-wakefield accelerated electron beam

... Gemini laser of the Central Laser Facility, Rutherford Appleton Laboratory, ...Ti:sapphire laser system delivering two synchronized linearly polarized beams of 800 nm central wavelength and ...

11

Experimental Evidence of Radiation Reaction in the Collision of a High-Intensity Laser Pulse with a Laser-Wakefield Accelerated Electron Beam

Experimental Evidence of Radiation Reaction in the Collision of a High-Intensity Laser Pulse with a Laser-Wakefield Accelerated Electron Beam

... of laser pulses of femtosecond duration, and so synchronization between the electron bunch and the colliding laser pulse must also be maintained at the femtosecond ...level. Laser-wakefield ...

12

Three electron beams from a laser-plasma wakefield accelerator and the energy apportioning question

Three electron beams from a laser-plasma wakefield accelerator and the energy apportioning question

... three electron beams: ultra-short electron bunches with MeV-GeV energies and pC-level charge, co-propagating with the driving laser; beams with MeV energy and nC-level charge emitted in ...

10

Ultralow-emittance measurement of high-quality electron beams from a laser wakefield accelerator

Ultralow-emittance measurement of high-quality electron beams from a laser wakefield accelerator

... FIG. 4 (Color Online) (a) Longitudinal plasma density profile in simulations. (b)-(f) Plasma density distribution and wakefield structure in the 2D PIC simulation at x = 1.0 (b), 1.5 (c), 2.0 (d), 2.3 (e), and 3.0 mm ...

13

Demonstration of passive plasma lensing of a laser wakefield accelerated electron bunch

Demonstration of passive plasma lensing of a laser wakefield accelerated electron bunch

... positron beams [13] or bright, high-energy γ-ray beams [14,15] as well as enhancing the bunch density for Thomson backscattering sources [16 – ...generated electron bunches after the accelerator ...

9

Concurrence of monoenergetic electron beams and bright X-rays from an evolving laser-plasma bubble

Concurrence of monoenergetic electron beams and bright X-rays from an evolving laser-plasma bubble

... quasi-monoenergetic electron bunch and a bright betatron X-ray emission, where the betatron X-rays are associated with another electron bunch with a broad energy spread and a large wiggling ...

18

Generation of electron high energy beams with a ring-like structure by a dual stage laser wakefield accelerator

Generation of electron high energy beams with a ring-like structure by a dual stage laser wakefield accelerator

... mentally that a stable electron ring structure can be formed at injection and subsequently accelerated to about 0.5 GeV with excellent shot-to-shot repeatability and about 5% energy spread. The ring ...

8

Electron and photon beams interacting with plasma

Electron and photon beams interacting with plasma

... relativistic electron bunches (Chen et al. 1985) or intense laser pulses (Tajima & Dawson 1979), which are sufficiently powerful to induce charge separation in plasma and set up a travelling space ...

10

High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

... wide-angle electron beams from a LWFA. An infrared laser pulse is focused to relativistic intensities (I>10 18 W cm −2 ) onto a gas target and emits a high-charge, low-energy electron ...

11

Fast electron transport patterns in intense laser-irradiated solids diagnosed by modeling measured multi-MeV proton beams

Fast electron transport patterns in intense laser-irradiated solids diagnosed by modeling measured multi-MeV proton beams

... protons accelerated by the fast electron hot-spots in the ring superimpose to produce cusp-like structures at the center of the beam, whereas the beam intensity profile is relatively smooth at large radii, ...

6

Directed fast electron beams in ultraintense picosecond laser irradiated solid targets

Directed fast electron beams in ultraintense picosecond laser irradiated solid targets

... fast electron currents in solids irradiated by ultraintense, picosecond laser ...the laser polarization axis at a peak laser intensity one-order magnitude higher than the relativistic ...

5

Manipulation of the spatial distribution of laser-accelerated proton beams by varying the laser intensity distribution

Manipulation of the spatial distribution of laser-accelerated proton beams by varying the laser intensity distribution

... the laser focus and the separation of the laser foci in the case of two beams may be expected to influence the resulting proton beam ...fast electron density distribution on a grid corre- ...

8

Instrumentation for diagnostics and control of laser-accelerated proton (ion) beams

Instrumentation for diagnostics and control of laser-accelerated proton (ion) beams

... of laser-accelerated particles if detectors with single par- ticle sensitivity are used, such as an absolutely calibrated multichannel-plate (MCP) coupled to a phosphor screen (see Sec- tion ...single ...

16

Coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

Coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

... the laser axis and orientation α = 60 ◦ . The mean electron energy is ...the electron distribution on a 3 mm × 3 mm foil placed at offsets d = 100 µ m, d = 500 µ m and d = 1 mm, and orientations α = ...

7

The dynamics of electron beam scattering on metal membranes: nanopore formation in metal membranes using transmission electron microscopy

The dynamics of electron beam scattering on metal membranes: nanopore formation in metal membranes using transmission electron microscopy

... energy electron beams (e‑beams) of transmission electron microscopy instruments was ...vs. electron dose curves (characteristic contrast curves) matched well the calculated atomic ...

7

Show all 10000 documents...

Related subjects