Technological Challenges to X-Ray FELs

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There is strong interest in the development of x-ray free electron lasers (x-ray FELs). The interest is driven by the scientific opportunities provided by intense, coherent x-rays. An x-ray FEL has all the characteristics of a fourth-generation source: brightness several orders of magnitude greater than presently achieved in third-generation sources, full transverse coherence, and sub-picosecond long pulses. The SLAC and DESY laboratories have presented detailed design studies for X-Ray FEL user facilities around the 0.1 nm wavelength-regime (LCLS at SLAC, TESLA X-Ray FEL at DESY). Both laboratories are engaged in proof-of-principle experiments are longer wavelengths (TTF FEL Phase I at ... continued below

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Nuhn, Heinz-Dieter September 16, 1999.

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Description

There is strong interest in the development of x-ray free electron lasers (x-ray FELs). The interest is driven by the scientific opportunities provided by intense, coherent x-rays. An x-ray FEL has all the characteristics of a fourth-generation source: brightness several orders of magnitude greater than presently achieved in third-generation sources, full transverse coherence, and sub-picosecond long pulses. The SLAC and DESY laboratories have presented detailed design studies for X-Ray FEL user facilities around the 0.1 nm wavelength-regime (LCLS at SLAC, TESLA X-Ray FEL at DESY). Both laboratories are engaged in proof-of-principle experiments are longer wavelengths (TTF FEL Phase I at 71 nm, VISA at 600-800 nm) with results expected in 1999. The technologies needed to achieve the proposed performances are those of bright electron sources, of acceleration systems capable of preserving the brightness of the source, and of undulators capable of meeting the magnetic and mechanical tolerances that are required for operation in the SASE mode. This paper discusses the technological challenges presented by the X-Ray FEL projects.

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  • Other Information: PBD: 16 Sep 1999

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  • Report No.: SLAC-PUB-8228
  • Grant Number: AC03-76SF00515
  • DOI: 10.2172/12475 | External Link
  • Office of Scientific & Technical Information Report Number: 12475
  • Archival Resource Key: ark:/67531/metadc619484

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  • September 16, 1999

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 5, 2016, 7:13 p.m.

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Nuhn, Heinz-Dieter. Technological Challenges to X-Ray FELs, report, September 16, 1999; Menlo Park, California. (digital.library.unt.edu/ark:/67531/metadc619484/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.