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long-pulse electron beam

A tapered multi-gap multi-aperture pseudospark-sourced electron gun based X-band slow wave oscillator

A tapered multi-gap multi-aperture pseudospark-sourced electron gun based X-band slow wave oscillator

... generating long pulse energetic electron beams using an active pumping system for evacuating gas from the accelerator ...higher pulse repetition frequency (PRF) of more than 100 Hz which would ...

5

Optimization aspects of the new nELBE photo-neutron source

Optimization aspects of the new nELBE photo-neutron source

... brilliance electron beams with energies up to 40 MeV, intensities up to 1 mA and within a pulse width of less then 10 ...the electron beam is used also to provide high intensity neutron beams, ...

6

Electron beam diagnostics for short pulse FEL schemes at CLARA

Electron beam diagnostics for short pulse FEL schemes at CLARA

... the long wavelength laser (30-50 µm) beam with the 800 nm laser that will be used in the seeding experiments [1] and aligning this laser beam with the electron beam on two OTR [14] or ...

5

Chirped and modulated electron pulse free electron laser techniques

Chirped and modulated electron pulse free electron laser techniques

... FEL. Electron pulses used in free electron lasers can exhibit a large energy chirp (greater than 1 % of mean electron beam energy) which can degrade the FEL ...chirped pulse simula- ...

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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

... laser-electron beam interaction, we then consider the electron energies for these ...four electron beam energies are below 500 MeV, while the mean of the 10 beam-off shots was ...

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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

... 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 values of η than ...

12

Observations of the filamentation of high-intensity laser-produced electron beams

Observations of the filamentation of high-intensity laser-produced electron beams

... several electron filaments, each of them correlated with a small-scale defor- mation, may ...off-normal electron beams using only main inter- action laser beam, it is quite likely that this ...

6

On the theory and modelling of the fourth generation light source

On the theory and modelling of the fourth generation light source

... toroidal electron tube of their new 70MeV electron syn- chrotron ...320MeV electron synchrotron at Cornell and synchrotron radiation was exploited for scien- tific experiment for the first time ...of ...

159

Electron Beam Induced Chemistry

Electron Beam Induced Chemistry

... an electron beam. The first method uses a beam focused in one spot on the substrate and remaining in that position for an amount of time referred to as the exposure ...the beam impingement ...

132

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

... 3. S. P. D. Mangles, C. D. Murphy, Z. Najmudin, A. G. R. Thomas, J. L. Collier, A. E. Dangor, E. J. Divall, P. S. Foster, J. G. Gallacher, C. J. Hooker, D. A. Jaroszynski, A. J. Langley, W. B. Mori, P. A. Norreys, F. S. ...

11

Methods of targets’ characterization

Methods of targets’ characterization

... For actinide targets, when the beam is stopped and the spectrometer is tuned to the α emission velocity, the α activity of targets is measured at the focal plane. As described in [29, 30], the α spectra measured ...

5

Sample Pages. Andreas Gebhardt. Understanding Additive Manufacturing. Rapid Prototyping - Rapid Tooling - Rapid Manufacturing

Sample Pages. Andreas Gebhardt. Understanding Additive Manufacturing. Rapid Prototyping - Rapid Tooling - Rapid Manufacturing

... If an electron beam is used instead of a laser the process is called electron beam melting (EBM), and if the energy is provided by a radiator through a mask, it is called selective [r] ...

17

Introduction to the Scanning Electron Microscope

Introduction to the Scanning Electron Microscope

... For mounting, the individual transparencies are cut to 35 by 23 mm, long direction parallel to the tilt axis, so that the area of interest falls within the window area. It is best to mark the prints for cutting ...

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In-situ Electron Imaging for the Electron Beam Melting Process.

In-situ Electron Imaging for the Electron Beam Melting Process.

... The electron gun of the EBM system allows for the principle of electron imaging to be implemented as a means of a non-intrusive monitoring method, similar procedure was performed in scanning electron ...

118

Design and operation of a 45 μs repetitively pulsed 12 mw electron beam for a CO₂ laser

Design and operation of a 45 μs repetitively pulsed 12 mw electron beam for a CO₂ laser

... Modulator Current Pe.ak Power Energy Stored Pulse-width Electron Beam Load Impedance Thyratron Voltage Thyratron Peak Current Thyratron di/dt Repetition Rate Lifetime... 5 insulator phys[r] ...

236

The Effect of Tri Poly Phosphate Concentration towards Chitosan-Alginate Micro-particle Characterization and Dissolution Process  in Acidic Medium

The Effect of Tri Poly Phosphate Concentration towards Chitosan-Alginate Micro-particle Characterization and Dissolution Process in Acidic Medium

... scanning electron microscope which is able to produce high-resolution images of a sample ...of electron diffraction in which the same measurement as an optical ...fired electron will be deflected by ...

7

EXPERIMENT III EXPERIMENTS WITH AN ELECTRON BEAM

EXPERIMENT III EXPERIMENTS WITH AN ELECTRON BEAM

... the beam current (thereby controlling how bright is the spot of light on the ...all electron trajectories to a common focus on the screen (a small bright spot on the ...

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ABSTRACT: With our previous publication, characterization of the high-power arc-jet plasma torch was

ABSTRACT: With our previous publication, characterization of the high-power arc-jet plasma torch was

... The electron temperature, electron density, plasma potential and electron and ion beam energy over an extremely wide range of parameters can be determined by Langmuir probe which measure the ...

12

Compressing Electron Pulse with  Alternating Electric Field

Compressing Electron Pulse with Alternating Electric Field

... an electron pulse with controllable duration. Ultrafast electron diffraction (UED) is the application representative ...of electron pulse induced by both space charge effect and its ...

9

Electron acoustic solitons in the presence of an electron beam and superthermal electrons

Electron acoustic solitons in the presence of an electron beam and superthermal electrons

... and beam electrons as ob- served by the Viking satellite in the auroral ...hot electron inertia to be retained in the analysis as suggested by Verheest et ...polarity electron-acoustic solitons to ...

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