Revealing the three-dimensional structure of microbunched plasma-wakefield-accelerated electron beams

M LaBerge, B Bowers, YY Chang… - Nature …, 2024 - nature.com
Plasma wakefield accelerators use tabletop equipment to produce relativistic femtosecond
electron bunches. Optical and X-ray diagnostics have established that their charge …

Noninvasive bunch length measurements exploiting Cherenkov diffraction radiation

A Curcio, M Bergamaschi, R Corsini, W Farabolini… - … Review Accelerators and …, 2020 - APS
We present the observation and the detailed investigation of coherent Cherenkov diffraction
radiation (CChDR) in terms of spectral-angular characteristics. Electromagnetic simulations …

Evidence of Ultrashort Electron Bunches in Laser-Plasma Interactions<? format?> at Relativistic Intensities

SD Baton, JJ Santos, F Amiranoff, H Popescu… - Physical review …, 2003 - APS
The second harmonic of the laser light (2 ω 0) is observed on the rear side of thick solid
targets irradiated by a laser beam at relativistic intensities. This emission is explained by the …

Theoretical study of transition radiation from hot electrons generated in the laser–solid interaction

J Zheng, KA Tanaka, T Miyakoshi, Y Kitagawa… - Physics of …, 2003 - pubs.aip.org
Recently, there has been an increasing interest in energetic hot electrons generated in
ultraintense laser plasma interactions because of their many potential applications in …

Multioctave high-dynamic range optical spectrometer for single-pulse, longitudinal characterization of ultrashort electron bunches

O Zarini, JC Cabadağ, YY Chang, A Köhler, T Kurz… - … Review Accelerators and …, 2022 - APS
We present design and realization of an ultrabroadband optical spectrometer capable of
measuring the spectral intensity of multioctave-spanning light sources on a single-pulse …

Coherent optical signatures of electron microbunching in laser-driven plasma accelerators

AH Lumpkin, M LaBerge, DW Rule, R Zgadzaj… - Physical Review Letters, 2020 - APS
We report observations of coherent optical transition radiation interferometry (COTRI)
patterns generated by microbunched∼ 200-MeV electrons as they emerge from a laser …

Nonlinear pulse evolution in seeded free-electron laser amplifiers and in free-electron laser cascades

L Giannessi, P Musumeci, S Spampinati - Journal of Applied Physics, 2005 - pubs.aip.org
The advances in laser technology have made available very short and intense laser pulses
which can be used to seed a high-gain single-pass free-electron laser (FEL) amplifier. With …

Study of Hot Electrons by Measurement of Optical Emission from the Rear Surface<? format?> of a Metallic Foil Irradiated with Ultraintense Laser Pulse

J Zheng, KA Tanaka, T Sato, T Yabuuchi, T Kurahashi… - Physical review …, 2004 - APS
Hot electrons and optical emission are measured from the rear surface of a metallic foil. The
spectra of the optical emission in the near infrared region have a sharp spike around the …

Observation of Fine Structures in Laser-Driven Electron Beams<? format?> Using Coherent Transition Radiation

Y Glinec, J Faure, A Norlin, A Pukhov, V Malka - Physical review letters, 2007 - APS
We have measured the coherent optical transition radiation emitted by an electron beam
from laser-plasma interaction. The measurement of the spectrum of the radiation reveals fine …

Tapered helical undulator system for high efficiency energy extraction from a high brightness electron beam

Y Park, R Agustsson, WJ Berg, J Byrd… - Nuclear Instruments and …, 2022 - Elsevier
In this paper we discuss the design choices and construction strategy of the tapered
undulator system designed for a high energy extraction efficiency experiment in the …