A superconducting linac driver for the Wisconsin free electron laser

J. J. Bisognano, R. A. Bosch, M. A. Green, K. D. Jacobs, K. J. Kleman, R. A. Legg, J. Chen, William Graves, F. X. Kärtner, J. Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

We present an initial design of the driver for the Wisconsin VUV/Soft Xray FEL facility, which will provide high intensity coherent photons from 5 eV to 0.9 keV. It uses a 2.2 GeV, L-band CW superconducting linac with a 1.7 GeV tap-off to feed the lower energy FELs. In order to support multiple high rep-rate FELs, the average design current is 1 mA. Sub-nanocoulomb bunches with normalized transverse emittances of order 1 μm are generated in a photoinjector for beamlines operating at repetition rates from kHz to MHz. Multistage bunch compression provides 1 kA peak current to the FELs, with low energy spread and a suitable current profile. Compressed bunch lengths of order 100 fs will allow generation of photon pulses in the range 10 to 30 fs using seeded FELs. Consideration has been given to removing the residual energy chirp from the beam, and minimizing the effects of space charge, coherent synchrotron radiation, and microbunching instabilities. A beam switchyard using RF separators and fast kickers delivers the desired electron bunches to each of the FELs. Details of the design are presented, including those areas requiring the most development work.

Original languageEnglish (US)
Title of host publicationProceedings of the IEEE Particle Accelerator Conference
Pages1281-1283
Number of pages3
DOIs
StatePublished - 2007
Externally publishedYes
EventIEEE Particle Accelerator Conference, PAC07 - Albuquerque, NM, United States
Duration: Jun 25 2007Jun 29 2007

Other

OtherIEEE Particle Accelerator Conference, PAC07
CountryUnited States
CityAlbuquerque, NM
Period6/25/076/29/07

Fingerprint

Free electron lasers
Photons
Plasma stability
Synchrotron radiation
Separators
Electric space charge
Electrons

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Bisognano, J. J., Bosch, R. A., Green, M. A., Jacobs, K. D., Kleman, K. J., Legg, R. A., ... Kim, J. (2007). A superconducting linac driver for the Wisconsin free electron laser. In Proceedings of the IEEE Particle Accelerator Conference (pp. 1281-1283). [4441056] https://doi.org/10.1109/PAC.2007.4441056

A superconducting linac driver for the Wisconsin free electron laser. / Bisognano, J. J.; Bosch, R. A.; Green, M. A.; Jacobs, K. D.; Kleman, K. J.; Legg, R. A.; Chen, J.; Graves, William; Kärtner, F. X.; Kim, J.

Proceedings of the IEEE Particle Accelerator Conference. 2007. p. 1281-1283 4441056.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bisognano, JJ, Bosch, RA, Green, MA, Jacobs, KD, Kleman, KJ, Legg, RA, Chen, J, Graves, W, Kärtner, FX & Kim, J 2007, A superconducting linac driver for the Wisconsin free electron laser. in Proceedings of the IEEE Particle Accelerator Conference., 4441056, pp. 1281-1283, IEEE Particle Accelerator Conference, PAC07, Albuquerque, NM, United States, 6/25/07. https://doi.org/10.1109/PAC.2007.4441056
Bisognano JJ, Bosch RA, Green MA, Jacobs KD, Kleman KJ, Legg RA et al. A superconducting linac driver for the Wisconsin free electron laser. In Proceedings of the IEEE Particle Accelerator Conference. 2007. p. 1281-1283. 4441056 https://doi.org/10.1109/PAC.2007.4441056
Bisognano, J. J. ; Bosch, R. A. ; Green, M. A. ; Jacobs, K. D. ; Kleman, K. J. ; Legg, R. A. ; Chen, J. ; Graves, William ; Kärtner, F. X. ; Kim, J. / A superconducting linac driver for the Wisconsin free electron laser. Proceedings of the IEEE Particle Accelerator Conference. 2007. pp. 1281-1283
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