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Content Provider | IEEE Xplore Digital Library |
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Author | Ischebeck, R. Barnes, C. Blumenfeld, I. Decker, F. Hogan, M. Iverson, R.H. Krejcik, P. Siemann, R.H. Walz, D. Kirby, N. Clayton, C. Chengkun Huang Johnson, D.K. Wei Lu Marsh, K. Suzhi Deng Oz, E. |
Copyright Year | 2005 |
Description | Author affiliation: Stanford Linear Accelerator Center (Ischebeck, R.) |
Abstract | The accelerating field that can be obtained in a beam-driven plasma wakefield accelerator depends on the current of the electron beam that excites the wake. In the E-167 experiment, a peak current above 10 kA will be delivered at a particle energy of 28 GeV. The bunch has a length of a few ten micrometers and several methods are used to measure its longitudinal profile. Among these, autocorrelation of coherent transition radiation (CTR) is employed. The beam passes a thin metallic foil, where it emits transition radiation. For wavelengths greater than the bunch length, this transition radiation is emitted coherently. This amplifies the long-wavelength part of the spectrum. A scanning Michelson interferometer is used to autocorrelate the CTR. However, this method requires the contribution of many bunches to build an autocorrelation trace. The measurement is influenced by the transmission characteristics of the vacuum window and beam splitter. We present here an analysis of materials, as well as possible layouts for a single shot CTR autocorrelator. |
Starting Page | 4027 |
Ending Page | 4029 |
File Size | 289852 |
Page Count | 3 |
File Format | |
ISBN | 0780388593 |
DOI | 10.1109/PAC.2005.1591705 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2005-05-16 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Length measurement Autocorrelation Plasma accelerators Wavelength measurement Acceleration Electron beams Linear accelerators Titanium Electron emission Space vector pulse width modulation |
Content Type | Text |
Resource Type | Article |
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