Optics of beam transport in the NSLS uv-FEL

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The NSLS-FEL is designed as a single pass FEL to generate radiation 1 mJ per pulse (10 psec) in 10{sup {minus}4} bandwidth, with continuously tunable wavelength in the range 100--300 nm. A superconducting, recirculating linac provides electron beams of energy 20 MeV to 260 MeV at 4{pi} mm mrad normalized rms emittance with less than 0.1% momentum spread and 2 mm rms bunch length. The optics in this machine is seriously restricted by the requirement to not degrade the electron beam quality. We present a lattice design for the transport lines to be used in beam injection, linac focussing and ... continued below

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Pages: (4 p)

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Zhang, X.; Kramer, S.L. & Wachtel, J. January 1, 1992.

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Description

The NSLS-FEL is designed as a single pass FEL to generate radiation 1 mJ per pulse (10 psec) in 10{sup {minus}4} bandwidth, with continuously tunable wavelength in the range 100--300 nm. A superconducting, recirculating linac provides electron beams of energy 20 MeV to 260 MeV at 4{pi} mm mrad normalized rms emittance with less than 0.1% momentum spread and 2 mm rms bunch length. The optics in this machine is seriously restricted by the requirement to not degrade the electron beam quality. We present a lattice design for the transport lines to be used in beam injection, linac focussing and recirculations. These beam lines are tuned to be linearly achromatic and isochronous, to avoid beam breakup in the cavities, and to minimize second order distortions of the emittance. Special transport lines are designed that allow rapid switching of the electron beam to drive two different FEL wigglers. This provides the capability for up to four simultaneous, high power, independently energy tuned laser beam.

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Pages: (4 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • 3. European particle accelerator conference, Berlin (Germany), 24-28 Mar 1992

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  • Other: DE92014166
  • Report No.: BNL-47376
  • Report No.: CONF-920315--37
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 5232259
  • Archival Resource Key: ark:/67531/metadc1072059

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1992

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  • Feb. 4, 2018, 10:51 a.m.

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  • April 23, 2018, 1:15 p.m.

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Zhang, X.; Kramer, S.L. & Wachtel, J. Optics of beam transport in the NSLS uv-FEL, article, January 1, 1992; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1072059/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.