[PDF] Top 20 Pseudospark-based electron beam and Cherenkov maser experiments

Pseudospark-based electron beam and Cherenkov maser experiments

... the pseudospark discharge was determined by the conditions needed for the hollow cathode effect 17 and the required holdoff voltage of the discharge ...The pseudospark discharge chamber consists of a planar ... See full document

11

Study of a 0.2 THz extended interaction oscillator driven by a pseudospark-sourced sheet electron beam

... Ka-band Cherenkov maser with a ~2 kW measured peak power [15], and a W-band EIO with a tested peak power of 38 W ...current electron beam will become more challenging for higher frequency ... See full document

6

Generation of electromagnetic fields of extremely high intensity by coherent summation of Cherenkov superradiance pulses

... of Cherenkov SR initiated by radiation of the electron beam edge have been performed based on the PIC (particle-in-cell) code KARAT ...the electron injector shown in ...in ... See full document

12

Compact high power millimetre wave sources driven by pseudospark-sourced electron beams

... Free Electron Lasers and gyro-BWOs, are able to tune fully and rapidly over a very wide band (~50%) of ...PS-sourced electron beams over these similar devices are portability and low cost due to not having ... See full document

6

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

... the electron beam in multiple stages of the hollow cathode phase followed by the conductive ...the experiments (see ...energetic electron beam generation from the anode in the multiple ... See full document

5

X-ray emission as a diagnostic from pseudospark-sourced electron beams

... PS-sourced electron beam hitting the anode/molybdenum target at beam voltages of 24-40 kV and air kerma 1Gy were obtained, as shown in figure ...a beam voltage of 34 kV, with a variation of ± ... See full document

9

Simulation and Experiments of a W-Band Extended Interaction Oscillator Based on a Pseudospark-Sourced Electron Beam

... a beam voltage with slower decrease, this will allow more electrons to be located in the oscillating voltage range over relatively longer time, thus increasing the output power of the ...the pseudospark ... See full document

5

Coherent microwave generation from a pseudospark cathode Cherenkov maser

... axial electron beam, consisting mainly of electrons from the hollow cathode region behind the cathode hole, is formed during this hollow cathode discharge ... See full document

5

Pseudospark experiments : Cherenkov interaction and electron beam post-acceleration

... the Cherenkov maser were conducted by scanning a radially polarized detector in a circular path centred on the aperture of the output horn while repeatedly pulsing the maser ...the Cherenkov ... See full document

7

A pseudospark cathode Cherenkov maser : theory and experiment

... of electron beam production were carried out on a single-gap pseudospark system for a wide range of parameters, including cathode cavity length, cathode hole size, applied voltage, external ... See full document

5

Two-stage laser-driven plasma acceleration with external injection for EuPRAXIA

... witness electron beam. To eliminate an artificial growth in electron beam emittance caused by numerical Cherenkov radiation (NCR) generated in the standard Yee field solver, a special ... See full document

6

Probit analysis and effect of electron beam and gamma rays in blackgram (Vigna mungo (L.) Hepper)

... electrons beam and showed that electron beam induced high mutation rate and wide mutation ...of electron beam radiation breeding were published in China; the earliest is in the ...that ... See full document

6

Quality Control of High-Speed Photon Detectors

... as Cherenkov or scintillation light, are one of the important signals in high-energy ...the Cherenkov photons which are emitted from the charged particle itself in a ...The Cherenkov photons become ... See full document

5

The LUCID-2 detector

... An innovative system consists in depositing drops of radioactive Bi-207 on the photomultiplier quartz windows to produce electrons with energy above the Cherenkov threshold in the quartz. The photomultipliers can ... See full document

6

Development of a beam loss monitor using the Cherenkov Effect in optical fibres

... the experiments a resolution of 10-12 cm was obtained but it is possible without further complications to have even better ...the beam loss monitor prototype, was tested in lab by a laser to understand the ... See full document

183

Electron Beam Induced Chemistry

... Nanofabrication techniques are more commonly employed using an ion beam than an electron beam. Gas injection systems are found on most present day FIB systems usually containing a tungsten or ... See full document

132

Fabrication of 0 346 THz BWO for Plasma Diagnostics

... The DCW circuit is in fabrication phase by using the NN1000 DCG HSC nano-CNC milling machine developed by Digital Technology Laboratory, subsidiary of DMG – MORI, in Davis CA as a prototype machine for advancement of ... See full document

8

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

... is based on two well-known techniques, the Faraday-rotation effect caused by the azimuthal magnetic field of the electron beam, and the Michelson-type ...light beam is split from the driving ... See full document

11

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

... the electron induced current signals within an EBM machine was inspired by the design and research done by Wong et ...the beam was as well as beam current, was obtained by tabbing into the machines ... See full document

118

Methods of targets’ characterization

... the beam on the target and secondly to evaluate the process of pin-holes or surface cracks formation according to heavy ion beam ...ion beam position and time structure on the targets can be ... See full document

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