• No results found

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

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

... the electron injection point (measured from the front of the gas jet), n e the electron density, n c the critical density, and λ 0 the laser ...the laser travels in the plasma at the nonlinear ...

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

... high-intensity laser pulse with a high- energy electron beam, they are not a systematic study of radiation ...the electron beam energy or laser intensity which extends to higher ...

12

Faraday-rotation self-interference method for electron beam duration measurement in the laser wakefield accelerator

Faraday-rotation self-interference method for electron beam duration measurement in the laser wakefield accelerator

... the electron beam, and the Michelson-type ...light beam is split from the driving pulse, which propagates perpendicularly to the driver and accelerated electron ...driving laser. ...

11

Quasimonoenergetic electron acceleration in the self-modulated laser wakefield regime

Quasimonoenergetic electron acceleration in the self-modulated laser wakefield regime

... the accelerated electrons were en- ergy resolved in a spectrometer based on permanent magnets and detected by image ...the laser polarization, thus allowing for observation of eventual beam ...

11

Ionization induced electron injection in laser wakefield acceleration

Ionization induced electron injection in laser wakefield acceleration

... the wakefield also has a very high phase speed (closed to the speed of light) and small spatial scale (tens of micro ...an electron beam into such a high speed small structure and make it to be ...

12

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

... and wakefield structure in the 2D PIC simulation at x = ...Transverse beam size (blue curve) and the corresponding normalized transverse emittance (green curve) evolution and typical trajectory (red curve) ...

13

Quantum Radiation Reaction in Laser-Electron-Beam Collisions

Quantum Radiation Reaction in Laser-Electron-Beam Collisions

... intense laser, we can reach the same η with electrons of much lower ...GeV electron beams by wakefield acceleration [19–21], it is realistic to consider the experiment shown in ...another ...

6

Electron energy increase in a laser wakefield accelerator using up-ramp plasma density profiles

Electron energy increase in a laser wakefield accelerator using up-ramp plasma density profiles

... the wakefield can be manipulated by upward plasma ...the electron energy although not to the levels seen in the ...the electron energy changed remarkably in the experiment with a relatively small ...

7

Resonantly enhanced betatron hard x-rays from ionization injected electrons in a laser plasma accelerator

Resonantly enhanced betatron hard x-rays from ionization injected electrons in a laser plasma accelerator

... the laser pulse in the nitrogen gas. The trapped electron beam is spatially distributed in the region of the driving laser and is modulated periodically with a period equal to the local ...

8

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

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

... the laser-wakefield accel- erated electron beam, the process of passive plasma lensing is robust with regards to fluctuations of the beam charge and initial ...final electron ...

9

Pepper-pot emittance measurement of laser-plasma wakefield accelerated electrons

Pepper-pot emittance measurement of laser-plasma wakefield accelerated electrons

... The electron trajectory and wakefield accelerator is optimised on the 1 st LANEX target to produce a low divergence beam with a good shot-to-shot pointing ...optimised beam with a divergence ...

10

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

... final beam properties are plotted in ...the laser axis or located at a distance larger than the bubble radius gain little energy and are scattered at large angles or left ...are accelerated to MeV ...

10

Near threshold electron injection in the laser plasma wakefield accelerator leading to femtosecond bunches

Near threshold electron injection in the laser plasma wakefield accelerator leading to femtosecond bunches

... colliding beam injection and density ramp injection, but for the purpose of this paper we restrict ourselves to a LWFA driven by a single laser pulse in plasma with uniform ...

13

Electron beam cooling in intense focussed laser pulses

Electron beam cooling in intense focussed laser pulses

... relativistic electron beam when it collides with a high intensity laser pulse, and that this cooling is split equally between the longitudinal and transverse ...overall beam cooling, the ...

8

Cascaded acceleration of proton beams in ultrashort laser-irradiated microtubes

Cascaded acceleration of proton beams in ultrashort laser-irradiated microtubes

... using laser-irradiated microtubes, by which both the energy and the quality of an injected proton beam can be en- ...intense laser pulses, a micro- tube will be ionized instantaneously and its ...

6

Chou, Shao-Wei
  

(2016):


	Investigation of electron acceleration and deceleration in plasmas.


Dissertation, LMU München: Fakultät für Physik

Chou, Shao-Wei (2016): Investigation of electron acceleration and deceleration in plasmas. Dissertation, LMU München: Fakultät für Physik

... of wakefield as shown in ...the electron bunch is assumed to fit a bi-Gaussian distribution, the bunch temporal evolution is assumed to be cylindrically symmetric, and the macroparticles which are located ...

189

Development of a Coaxial Electron-Laser Beam Collision Experiment

Development of a Coaxial Electron-Laser Beam Collision Experiment

... The electron beam current was recorded manually using a Keithley Picoammeter (Model# 480A), which has a digital read-out and is accurate to 0.01 μA. Digital measurements of current were also made using a ...

103

ELECTRON LASER ACCELERATION: IS THE GAUSSIAN BEAM DESCRIPTION ADEQUATE?

ELECTRON LASER ACCELERATION: IS THE GAUSSIAN BEAM DESCRIPTION ADEQUATE?

... Gaussian beam, is ...an electron into it remains ...about electron extraction out of such a ...result, electron interaction with any number of field cycles results in no net energy gain [9, ...

19

Near-threshold electron injection in the laser-plasma wakefield accelerator leading to femtosecond bunches

Near-threshold electron injection in the laser-plasma wakefield accelerator leading to femtosecond bunches

... amplitudes of the two peaks and the depth of the dip is reproduced when one bunch contains about 70% of the charge, for a total of about 10 ± 5 pC, depending on energy, energy spread and divergence. Variations of central ...

13

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

... laser beam, and could be passed through a foil placed off-axis, avoiding the intense part of the laser ...quick beam expansion, however, will lead to the suppression of the high frequency part ...

7

Show all 10000 documents...

Related subjects