Brunetti, E. et al. (2010) Low emittance, high brilliance relativistic electron beams from a laser-plasma accelerator. Physical Review Letters, 105(21), Art. 215007. (doi: 10.1103/PhysRevLett.105.215007)
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Abstract
Progress in laser wakefield accelerators indicates their suitability as a driver of compact free-electron lasers (FELs). High brightness is defined by the normalized transverse emittance, which should be less than 1π mm mrad for an x-ray FEL. We report high-resolution measurements of the emittance of 125 MeV, monoenergetic beams from a wakefield accelerator. An emittance as low as 1.1±0.1π mm mrad is measured using a pepper-pot mask. This sets an upper limit on the emittance, which is comparable with conventional linear accelerators. A peak transverse brightness of 5×1015 A m-1 rad-1 makes it suitable for compact XUV FELs.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Shanks, Dr Richard |
| Authors: | Brunetti, E., Shanks, R.P., Manahan, G.G., Islam, M.R., Ersfeld, B., Anania, M.P., Cipiccia, S., Issac, R.C., Raj, G., Vieux, G., Welsh, G.H., Wiggins, S.M., and Jaroszynski, D.A. |
| College/School: | College of Science and Engineering > Scottish Universities Environmental Research Centre |
| Journal Name: | Physical Review Letters |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| ISSN (Online): | 1079-7114 |
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