Loaded delay lines for future RF pulse compression systems

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The peak power delivered by the klystrons in the NLCRA (Next Linear Collider Test Accelerator) now under construction at SLAC is enhanced by a factor of four in a SLED-II type of R.F. pulse compression system (pulse width compression ratio of six). To achieve the desired output pulse duration of 250 ns, a delay line constructed from a 36 m length of circular waveguide is used. Future colliders, however, will require even higher peak power and larger compression factors, which favors a more efficient binary pulse compression approach. Binary pulse compression, however, requires a line whose delay time is approximately ... continued below

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4 p.

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Jones, R.M.; Wilson, P.B. & Kroll, N.M. May 1, 1995.

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  • Jones, R.M.
  • Wilson, P.B. Stanford Linear Accelerator Center, Menlo Park, CA (United States)
  • Kroll, N.M. Stanford Linear Accelerator Center, Menlo Park, CA (United States)

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Description

The peak power delivered by the klystrons in the NLCRA (Next Linear Collider Test Accelerator) now under construction at SLAC is enhanced by a factor of four in a SLED-II type of R.F. pulse compression system (pulse width compression ratio of six). To achieve the desired output pulse duration of 250 ns, a delay line constructed from a 36 m length of circular waveguide is used. Future colliders, however, will require even higher peak power and larger compression factors, which favors a more efficient binary pulse compression approach. Binary pulse compression, however, requires a line whose delay time is approximately proportional to the compression factor. To reduce the length of these lines to manageable proportions, periodically loaded delay lines are being analyzed using a generalized scattering matrix approach. One issue under study is the possibility of propagating two TE{sub o} modes, one with a high group velocity and one with a group velocity of the order 0.05c, for use in a single-line binary pulse compression system. Particular attention is paid to time domain pulse degradation and to Ohmic losses.

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4 p.

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INIS; OSTI as DE95013283

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  • 16. Institute of Electrical and Electronic Engineers (IEEE) particle accelerator conference, Dallas, TX (United States), 1-5 May 1995

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  • Other: DE95013283
  • Report No.: SLAC-PUB--95-6906
  • Report No.: CONF-950512--132
  • Grant Number: AC03-76SF00515;FG03-93ER40759
  • Office of Scientific & Technical Information Report Number: 82440
  • Archival Resource Key: ark:/67531/metadc782850

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  • May 1, 1995

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  • Dec. 3, 2015, 9:30 a.m.

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  • Feb. 5, 2016, 7:19 p.m.

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Jones, R.M.; Wilson, P.B. & Kroll, N.M. Loaded delay lines for future RF pulse compression systems, article, May 1, 1995; Menlo Park, California. (digital.library.unt.edu/ark:/67531/metadc782850/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.