Abstract
| Original language | English |
|---|---|
| Title of host publication | SPIE Proceedings |
| Subtitle of host publication | Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond |
| Editors | Dino A. Jaroszynski, Antoine Rousse |
| Place of Publication | Bellingham, WA |
| Volume | 7359 |
| DOIs | |
| Publication status | Published - 20 May 2009 |
| Event | Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond - Prague, Czech Republic Duration: 21 Apr 2009 → 23 Apr 2009 |
Publication series
| Name | SPIE Proceedings |
|---|---|
| Publisher | SPIE |
| Volume | 7359 |
| ISSN (Print) | 0277-786X |
Conference
| Conference | Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond |
|---|---|
| Country | Czech Republic |
| City | Prague |
| Period | 21/04/09 → 23/04/09 |
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Narrow spread electron beams from a laser-plasma wakefield accelerator. / Wiggins, S. M.; Anania, M. P.; Brunetti, E.; Cipiccia, S.; Ersfeld, B.; Islam, M. R.; Issac, R. C.; Raj, G.; Shanks, R. P.; Vieux, G.; Welsh, G. H.; Gillespie, W. Allan; MacLeod, Allan M.; Jaroszynski, D. A.
SPIE Proceedings: Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond. ed. / Dino A. Jaroszynski; Antoine Rousse. Vol. 7359 Bellingham, WA, 2009. (SPIE Proceedings; Vol. 7359).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
TY - GEN
T1 - Narrow spread electron beams from a laser-plasma wakefield accelerator
AU - Wiggins, S. M.
AU - Anania, M. P.
AU - Brunetti, E.
AU - Cipiccia, S.
AU - Ersfeld, B.
AU - Islam, M. R.
AU - Issac, R. C.
AU - Raj, G.
AU - Shanks, R. P.
AU - Vieux, G.
AU - Welsh, G. H.
AU - Gillespie, W. Allan
AU - MacLeod, Allan M.
AU - Jaroszynski, D. A.
PY - 2009/5/20
Y1 - 2009/5/20
N2 - The Advanced Laser-Plasma High-Energy Accelerators towards X-rays (ALPHA-X) programme is developing laserplasma accelerators for the production of ultra-short electron bunches with subsequent generation of incoherent radiation pulses from plasma and coherent short-wavelength radiation pulses from a free-electron laser (FEL). The first quantitative measurements of the electron energy spectra have been made on the University of Strathclyde ALPHA-X wakefield acceleration beam line. A high peak power laser pulse (energy 900 mJ, duration 35 fs) is focused into a gas jet (nozzle length 2 mm) using an F/16 spherical mirror. Electrons from the laser-induced plasma are self-injected into the accelerating potential of the plasma density wake behind the laser pulse. Electron beams emitted from the plasma have been imaged downstream using a series of Lanex screens positioned along the beam line axis and the divergence of the electron beam has been measured to be typically in the range 1-3 mrad. Measurements of the electron energy spectrum, obtained using the ALPHA-X high resolution magnetic dipole spectrometer, are presented. The maximum central energy of the monoenergetic beam is 90 MeV and r.m.s. relative energy spreads as low as 0.8% are measured. The mean central energy is 82 MeV and mean relative energy spread is 1.1%. A theoretical analysis of this unexpectedly high electron beam quality is presented and the potential impact on the viability of FELs driven by electron beams from laser wakefield accelerators is examined.
AB - The Advanced Laser-Plasma High-Energy Accelerators towards X-rays (ALPHA-X) programme is developing laserplasma accelerators for the production of ultra-short electron bunches with subsequent generation of incoherent radiation pulses from plasma and coherent short-wavelength radiation pulses from a free-electron laser (FEL). The first quantitative measurements of the electron energy spectra have been made on the University of Strathclyde ALPHA-X wakefield acceleration beam line. A high peak power laser pulse (energy 900 mJ, duration 35 fs) is focused into a gas jet (nozzle length 2 mm) using an F/16 spherical mirror. Electrons from the laser-induced plasma are self-injected into the accelerating potential of the plasma density wake behind the laser pulse. Electron beams emitted from the plasma have been imaged downstream using a series of Lanex screens positioned along the beam line axis and the divergence of the electron beam has been measured to be typically in the range 1-3 mrad. Measurements of the electron energy spectrum, obtained using the ALPHA-X high resolution magnetic dipole spectrometer, are presented. The maximum central energy of the monoenergetic beam is 90 MeV and r.m.s. relative energy spreads as low as 0.8% are measured. The mean central energy is 82 MeV and mean relative energy spread is 1.1%. A theoretical analysis of this unexpectedly high electron beam quality is presented and the potential impact on the viability of FELs driven by electron beams from laser wakefield accelerators is examined.
U2 - 10.1117/12.820733
DO - 10.1117/12.820733
M3 - Conference contribution
SN - 9780819476333
VL - 7359
T3 - SPIE Proceedings
BT - SPIE Proceedings
A2 - Jaroszynski, Dino A.
A2 - Rousse, Antoine
CY - Bellingham, WA
ER -