Compact electron acceleration and bunch compression in THz waveguides.

Opt Express

Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA.

Published: April 2013


Category Ranking

98%

Total Visits

921

Avg Visit Duration

2 minutes

Citations

20

Article Abstract

We numerically investigate the acceleration and bunch compression capabilities of 20 mJ, 0.6 THz-centered coherent terahertz pulses in optimized metallic dielectric-loaded cylindrical waveguides. In particular, we theoretically demonstrate the acceleration of 1.6 pC and 16 pC electron bunches from 1 MeV to 10 MeV over an interaction distance of 20mm, the compression of a 1.6 pC 1 MeV bunch from 100 fs to 2 fs (50 times compression) over an interaction distance of about 18mm, and the compression of a 1.6 pC 10 MeV bunch from 100 fs to 1.61 fs (62 times) over an interaction distance of 42 cm. The obtained results show the promise of coherent THz pulses in realizing compact electron acceleration and bunch compression schemes.

Download full-text PDF

Source
http://dx.doi.org/10.1364/OE.21.009792DOI Listing

Publication Analysis

Top Keywords

acceleration bunch
12
bunch compression
12
interaction distance
12
compact electron
8
electron acceleration
8
compression mev
8
mev bunch
8
bunch 100
8
compression
6
bunch
5

Similar Publications

We propose an experimentally feasible approach for observing the Fulling-Davies-Unruh effect in circular motions using a novel detector based on the thermally activated decay of metastable bunched fluxon-antifluxon pairs in coupled annular Josephson junctions. The uniform circular motion of fluxon pairs acting as detectors under relativistic velocities and small radii produces high acceleration, making an effective Unruh temperature on the order of 1 K observable with existing technologies. In addition, the newly designed detector delivers highly sensitive temperature measurements, offering a promising avenue for experimentally probing the nontrivial properties of the quantum vacuum.

View Article and Find Full Text PDF

The EuPRAXIA project is a European initiative aimed at developing groundbreaking, ultra-compact accelerator research infrastructures based on novel plasma acceleration concepts. The EuPRAXIA@SPARC_LAB facility, located in the Italian National Institute for Nuclear Physics-Frascati National Laboratory, will be the first operating Free Electron Laser facility of EuPRAXIA, based on an accelerator module driven by an electron bunch driver. The Free Electron Laser will produce ultra-short photon pulses in the soft X-ray region.

View Article and Find Full Text PDF

We developed an ultrafast time-resolved electron diffractometer with a tungsten probe photocathode. High transverse coherence and short-pulsed electrons were generated from a tungsten tip with a diameter of 1 μm. The transverse coherence length and duration of the electron pulses accelerated to 45 keV were experimentally and numerically characterized under high electron density conditions.

View Article and Find Full Text PDF

Rechargeable magnesium-ion batteries (RMBs) exhibit distinct advantages, such as superior theoretical capacity, economic viability, and enhanced safety features, making them a promising alternative to traditional energy storage systems. Nevertheless, the current research of high-performance RMBs is still fraught with many shortcomings of the unexpected actual capacity, poor cycling stability rapid energy decay, and a relatively short lifespan. Herein, Grape-bunch CoS/Te materials are prepared by one-step metal sulfide template-free anion-doped solvent-thermal synthesis.

View Article and Find Full Text PDF

The pulsed nature of laser-driven ion sources and their relative large emission angles result in the production of secondary, undesired, pulsed neutron (and photon) radiation. Conventional neutron monitors struggle to accurately measure in such environments, yet characterizing these fields is crucial for applications like hadron therapy. Parasitic neutron dose measurements were performed at the Petawatt beam of the Dresden Laser Acceleration Source (DRACO) employing laser energies from 4.

View Article and Find Full Text PDF