High resolution beam profile monitors in the SLC

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Description

In the SLC linac, low emittance beams with typical transverse dimensions less than 0.2 mm must be accelerated without effective emittance growth. In order to monitor this we have installed a high resolution beam profile monitor system which consists of an aluminum target covered with a fine-grained phosphor, a magnifying optical system, a television camera and video signal recording electronics. The image formed when the beam strikes the phosphor screen is viewed on a CRT monitor at the console and selected horizontal and vertical slices of the beam spot intensity are recorded. A 20 MHz transient waveform recorder is used ... continued below

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Pages: 3

Creation Information

Ross, M.C.; Seeman, J.T.; Jobe, R.K.; Sheppard, J.C. & Stiening, R.F. April 1, 1985.

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Description

In the SLC linac, low emittance beams with typical transverse dimensions less than 0.2 mm must be accelerated without effective emittance growth. In order to monitor this we have installed a high resolution beam profile monitor system which consists of an aluminum target covered with a fine-grained phosphor, a magnifying optical system, a television camera and video signal recording electronics. The image formed when the beam strikes the phosphor screen is viewed on a CRT monitor at the console and selected horizontal and vertical slices of the beam spot intensity are recorded. A 20 MHz transient waveform recorder is used to sample and digitize the raw video signal along the selected slice. The beam width is determined by fitting the background subtracted data to a Gaussian. Beam spots less than 6 x 3 mm can be viewed. Beam spot sizes sigma/sub x,y/ < 80 ..mu..m have been measured. 9 refs., 4 figs.

Physical Description

Pages: 3

Notes

NTIS, PC A02/MF A01.

Source

  • Particle accelerator conference, Vancouver, Canada, 13 May 1985

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  • Other: DE85013375
  • Report No.: SLAC-PUB-3640
  • Report No.: CONF-850504-66
  • Grant Number: AC03-76SF00515
  • Office of Scientific & Technical Information Report Number: 5526849
  • Archival Resource Key: ark:/67531/metadc1092678

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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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Creation Date

  • April 1, 1985

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • May 29, 2018, 2:48 p.m.

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Ross, M.C.; Seeman, J.T.; Jobe, R.K.; Sheppard, J.C. & Stiening, R.F. High resolution beam profile monitors in the SLC, article, April 1, 1985; California. (digital.library.unt.edu/ark:/67531/metadc1092678/: accessed November 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.