91 citations · 785 across the 39 of their papers we have counts for
24 papers · 1 filter
Effect of Nozzle Curvature on Supersonic Gas Jets Used in Laser-Plasma Acceleration
Ocean Zhou, Hai-En Tsai, Tobias M. Ostermayr +5
Supersonic gas jets produced by converging-diverging (C-D) nozzles are commonly used as targets for laser-plasma acceleration (LPA) experiments. A major point of interest for these…
Radial Density Profile and Stability of Capillary Discharge Plasma Waveguides of Lengths up to 40 Centimeters
M. Turner, A. J. Gonsalves, S. S. Bulvanov +10
We measured the parameter reproducibility and radial electron density profile of capillary discharge waveguides with diameters of 650 um to 2 mm and lengths of 9 to 40 cm. To our k…
Multiple-colliding laser pulses as a basis for studying high-field high-energy physics
J. Magnusson, A. Gonoskov, M. Marklund +10
Apart from maximizing the strength of optical electromagnetic fields achievable at high-intensity laser facilities, the collision of several phase-matched laser pulses has been the…
Ion Acceleration in Laser Generated Mega Tesla Magnetic Vortex
Jaehong Park, Stepan S. Bulanov, Jianhui Bin +8
Magnetic Vortex Acceleration (MVA) from near critical density targets is one of the promising schemes of laser-driven ion acceleration. 3D particle-in-cell simulations are used to…
Saturation of the hosing instability in quasi-linear plasma accelerators
Remi Lehe, Carl B. Schroeder, Jean-Luc Vay +2
The beam hosing instability is analyzed theoretically for a witness beam in the quasi-linear regime of plasma accelerators. In this regime, the hosing instability saturates, even f…
Multistage Coupling of Laser-Wakefield Accelerators with Curved Plasma Channel
J. Luo, M. Chen, W. Y. Wu +8
Multistage coupling of laser-wakefield accelerators is essential to overcome laser energy depletion for high-energy applications such as TeV level electron-positron colliders. Curr…
On production and asymmetric focusing of flat electron beams using rectangular capillary discharge plasmas
G. A. Bagdasarov, N. A. Bobrova, A. S. Boldarev +15
A method for the asymmetric focusing of electron bunches, based on the active plasma lensing technique is proposed. This method takes advantage of the strong inhomogeneous magnetic…
Plasma Equilibrium inside Various Cross-Section Capillary Discharges
Gennadiy Bagdasarov, Pavel Sasorov, Alexey Boldarev +13
Plasma properties inside a hydrogen-filled capillary discharge waveguide were modeled with dissipative magnetohydrodynamic simulations to enable analysis of capillaries of circular…
Laser beam coupling with capillary discharge plasma for laser wakefield acceleration applications
Gennadiy Bagdasarov, Pavel Sasorov, Vladimir Gasilov +13
One of the most robust methods, demonstrated up to date, of accelerating electron beams by laser-plasma sources is the utilization of plasma channels generated by the capillary dis…
Radiation Pressure Acceleration: the factors limiting maximum attainable ion energy
S. S. Bulanov, E. Esarey, C. B. Schroeder +5
Radiation pressure acceleration (RPA) is a highly efficient mechanism of laser-driven ion acceleration, with with near complete transfer of the laser energy to the ions in the rela…
Enhancing proton acceleration by using composite targets
S. S. Bulanov, E. Esarey, C. B. Schroeder +5
Efficient laser ion acceleration requires high laser intensities, which can only be obtained by tightly focusing laser radiation. In the radiation pressure acceleration regime, whe…
Ultra-low emittance beam generation using two-color ionization injection in a CO2 laser-driven plasma accelerator
C. B. Schroeder, C. Benedetti, S. S. Bulanov +6
Ultra-low emittance (tens of nm) beams can be generated in a plasma accelerator using ionization injection of electrons into a wakefield. An all-optical method of beam generation u…
Helium-3 and Helium-4 acceleration by high power laser pulses for hadron therapy
S. S. Bulanov, E. Esarey, C. B. Schroeder +5
The laser driven acceleration of ions is considered a promising candidate for an ion source for hadron therapy of oncological diseases. Though proton and carbon ion sources are con…
Controlling the spectral shape of nonlinear Thomson scattering with proper laser chirping
S. G. Rykovanov, C. G. R. Geddes, C. B. Schroeder +2
Effects of nonlinearity in Thomson scattering of a high intensity laser pulse from electrons are analyzed. Analytic expressions for laser pulse shaping in amplitude and frequency a…
Quasi-monoenergetic femtosecond photon sources from Thomson Scattering using laser plasma accelerators and plasma channels
S. G. Rykovanov, C. G. R. Geddes, J. -L. Vay +3
Narrow bandwidth, high energy photon sources can be generated by Thomson scattering of laser light from energetic electrons, and detailed control of the interaction is needed to pr…
Enhancement of maximum attainable ion energy in the radiation pressure acceleration regime using a guiding structure
S. S. Bulanov, E. Esarey, C. B. Schroeder +5
Radiation Pressure Acceleration relies on high intensity laser pulse interacting with solid target to obtain high maximum energy, quasimonoenergetic ion beams. Either extremely hig…
Detecting radiation reaction at moderate laser intensities
Thomas Heinzl, Chris Harvey, Anton Ilderton +6
We propose a new method of detecting radiation reaction effects in the motion of particles subjected to laser pulses of moderate intensity and long duration. The effect becomes siz…
Low transverse emittance electron bunches from two-color laser-ionization injection
Lu-Le Yu, Eric Esarey, Jean-Luc Vay +7
A method is proposed to generate low emittance electron bunches from two color laser pulses in a laser-plasma accelerator. A two-region gas structure is used, containing a short re…
Control of focusing forces and emittances in plasma-based accelerators using near-hollow plasma channels
Carl B. Schroeder, Eric Esarey, Carlo Benedetti +1
A near-hollow plasma channel, where the plasma density in the channel is much less than the plasma density in the walls, is proposed to provide independent control over the focusin…
Laser-heater assisted plasma channel formation in capillary discharge waveguides
N. A. Bobrova, P. V. Sasorov, C. Benedetti +5
A method of creating plasma channels with controllable depth and transverse profile for the guiding of short, high power laser pulses for efficient electron acceleration is propose…
On the breaking of a plasma wave in a thermal plasma: II. Electromagnetic wave interaction with the breaking plasma wave
Sergei V. Bulanov, Timur Zh. Esirkepov, Masaki Kando +8
The structure of the density singularity formed in a relativistically large amplitude plasma wave close to the wavebreaking limit leads to a refraction coefficient which has a coor…
On the breaking of a plasma wave in a thermal plasma: I. The structure of the density singularity
Sergei V. Bulanov, Timur Zh. Esirkepov, Masaki Kando +8
The structure of the singularity that is formed in a relativistically large amplitude plasma wave close to the wavebreaking limit is found by using a simple waterbag electron distr…
Growth and phase velocity of self-modulated beam-driven plasma waves
C. B. Schroeder, C. Benedetti, E. Esarey +2
A long, relativistic charged particle beam propagating in a plasma is subject to the self-modulation instability. This instability is analyzed and the growth rate is calculated, in…
Relativistic spherical plasma waves
S. S. Bulanov, A. Maksimchuk, C. B. Schroeder +3
Tightly focused laser pulses as they diverge or converge in underdense plasma can generate wake waves, having local structures that are spherical waves. Here we report on theoretic…