First Name: J.
Middle Name: R.
Last Name: Rosenzweig
Full Name: J.R. Rosenzweig
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1 paper
| title: | Observations of Underdense Plasma Lens Focusing of Relativistic Electron Beams |
| format: | conference procceeding |
| conference: | PAC07 |
| year: | 2007 |
| 10 authors: | | | | | | | | | | |
| abstract: | Focusing of a 15 MeV, 19 nC electron bunch by an un- derdense plasma lens operated just beyond the threshold of the underdense condition has been demonstrated in ex- periments at the Fermilab NICADD Photoinjector Labora- tory (FNPL). The strong 1.9 cm focal-length plasma-lens focused both transverse directions simultaneously and re- duced the minimum area of the beam spot by a factor of 23. Analysis of the beam-envelope evolution observed near the beam waist shows that the spherical aberrations of this un- derdense lens are lower than those of an overdense plasma lens, as predicted by theory. Correlations between the beam charge and the properties of the beam focus corroborate this conclusion. |
| keywords: | pbpl_pub |
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