Electron-terahertz interaction in dielectric-lined waveguide structures for electron manipulation

@article{Healy2018ElectronterahertzII,
  title={Electron-terahertz interaction in dielectric-lined waveguide structures for electron manipulation},
  author={Alisa Healy and Graeme Burt and Steven P. Jamison},
  journal={Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment},
  year={2018}
}
  • A. HealyG. BurtS. Jamison
  • Published 2 February 2018
  • Physics
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Figures and Tables from this paper

Dispersion in dielectric-lined waveguides designed for terahertz-driven deflection of electron beams

We have developed dielectric-lined rectangular waveguide structures for terahertz (THz)-driven ultrafast deflection of 100 keV electron beams. The structures were designed to achieve THz phase

Characterizing the accelerating mode of a dielectric-lined waveguide designed for terahertz-driven manipulation of relativistic electron beams

We report on the generation of a terahertz (THz) beam with a quasi-TEM01 mode by exploiting the interferometric recombination of two linearly polarized emitters in a combined spintronic source. The

Optimization of PBG-Waveguides for Terahertz-Driven Electron Acceleration

The properties of 2-D photonic bandgap dielectric structures, also called photonic crystals, are numerically investigated to assist the design of waveguides for terahertz (THz)-driven linear electron

Terahertz-driven acceleration of a relativistic 35 MeV electron beam

We will present the first results from the CLARA research facility at Daresbury Laboratory demonstrating terahertz-driven acceleration of a relativistic 35 MeV electron beam. A polarization-tailored,

Optimization of PBG-Waveguides for THz-Driven Electron Acceleration

The properties of two-dimensional photonic bandgap dielectric structures, also called photonic crystals, are numerically investigated to assist the design of waveguides for THz driven linear electron

Terahertz Oscilloscope for Recording Time Information of Ultrashort Electron Beams.

This terahertz (THz) oscilloscope bridges the gap between streaking of photoelectrons with optical lasers and deflection of relativistic electron beams with radio-frequency deflectors, and should have wide applications in many ultrashort electron-beam-based facilities.

Longitudinal Phase-space Characterization of Electron Bunches with THz streaking and tomography

Transverse streaking of electron bunches with laser-derived THz frequency sources offers potential for compact and very-high (femtosecond) time resolution characterization of electron beams. We

Investigation of 2D PBG Waveguides for THz Driven Acceleration

There is significant interest in novel accelerating techniques which can overcome the limitations of conventional radio-frequency (RF) based devices in terms of frequency, gradient, and footprint.

Acceleration of relativistic beams using laser-generated terahertz pulses

Particle accelerators driven by laser-generated terahertz (THz) pulses promise unprecedented control over the energy–time phase space of particle bunches compared with conventional radiofrequency

Electromagnetic and Beam Dynamics Studies for High Gradient Accelerators at Terahertz Frequencies

THz radiation is one of the most appealing portion of the electromagnetic spectrum in terms of multi-disciplinary use in basic science and technology. Beyond the numerous applications, a great

References

SHOWING 1-10 OF 15 REFERENCES

Group velocity matching in terahertz-driven dielectric-lined waveguides for electron acceleration

  • A. HealyG. BurtS. Jamison
  • Physics
    2017 10th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT)
  • 2017
Terahertz(THz)-driven dielectric-lined waveguides have applications in electron manipulation, particularly acceleration, as the use of dielectric allows for phase velocities below the speed of light.

Phase Space Manipulation of Sub-Picosecond Electron Bunches Using Dielectric Wakefield Structures

Dielectric lined waveguides have drawn interest due to their application as high gradient accelerating structures, in both externally driven and wakefield schemes. We present simulation studies of

GROUP VELOCITY MATCHING IN DIELECTRIC-LINEDWAVEGUIDES AND ITS ROLE IN ELECTRON-TERAHERTZ INTERACTION

Terahertz(THz)-driven dielectric-lined waveguides have applications in electron manipulation, particularly acceleration, as the use of dielectric allows for phase velocities below the speed of light.

Temporal profile measurements of relativistic electron bunch based on wakefield generation

A complete characterization of the time-resolved longitudinal beam phase space is important to optimize the final performances of an accelerator, and in particular this is crucial for Free Electron

Demonstration of nonlinear-energy-spread compensation in relativistic electron bunches with corrugated structures.

This Letter reports on using corrugated structures to compensate for the beam nonlinear energy chirp imprinted by the curvature of the radio-frequency field, leading to a significant reduction in beam energy spread.

Optical Manipulation of Relativistic Electron Beams using THz Pulses

There are implementations and proposals for using microwave or optical radiation for electron acceleration, undulation, deflection, and spatial as well as temporal focusing. Using terahertz (THz)

Efficient narrowband terahertz generation in cryogenically cooled periodically poled lithium niobate.

An efficiency scaling study of optical rectification in cryogenically cooled periodically poled lithium niobate for the generation of narrowband terahertz radiation using ultrashort pulses shows an efficiency and brilliance increase compared to previous schemes, and achieves unprecedented spectral brightness in the 0.1-1 THz range relevant to terAhertz science and technology.

Field analysis of a dielectric-loaded rectangular waveguide accelerating structure.

This paper presents a detailed analysis of the modes of a dielectric-loaded rectangular waveguide accelerating structure based on a circuit model approximation and mode matching method and shows that by using a series of rectangular structures successively rotated by 90 degrees, the net accelerating force can be made almost uniform.

Terahertz-driven linear electron acceleration

Terahertz-driven accelerating structures enable high-gradient electron/proton accelerators with simple accelerating structures, high repetition rates and significant charge per bunch that hold great potential to have a transformative impact for free electron lasers, linear colliders, ultrafast electron diffraction, X-ray science and medical therapy with X-rays and electron beams.

Demonstration of sub-luminal propagation of single-cycle terahertz pulses for particle acceleration

A travelling-source approach utilizing the group-to-phase front conversion to overcome the sub-luminal propagation limit is demonstrated, paving the way towards the realisation of cheap and compact particle accelerators with femtosecond scale control of particles.