Periscope pop-in beam monitor

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Description

The authors have built monitors for use as beam diagnostics in the narrow gap of an undulator for an FEL experiment. They utilize an intercepting screen of doped YAG scintillating crystal to make light that is imaged through a periscope by conventional video equipment. The absolute position can be ascertained by comparing the electron beam position with the position of a He:Ne laser that is observed by this pop-in monitor. The optical properties of the periscope and the mechanical arrangement of the system mean that beam can be spatially determined to the resolution of the camera, in this case approximately ... continued below

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8 p.

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Johnson, E.D.; Graves, W.S. & Robinson, K.E. June 1, 1998.

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Description

The authors have built monitors for use as beam diagnostics in the narrow gap of an undulator for an FEL experiment. They utilize an intercepting screen of doped YAG scintillating crystal to make light that is imaged through a periscope by conventional video equipment. The absolute position can be ascertained by comparing the electron beam position with the position of a He:Ne laser that is observed by this pop-in monitor. The optical properties of the periscope and the mechanical arrangement of the system mean that beam can be spatially determined to the resolution of the camera, in this case approximately 10 micrometers. The experience with these monitors suggests improvements for successor designs, which they also describe.

Physical Description

8 p.

Notes

INIS; OSTI as DE98007242

Medium: P; Size: 8 p.

Source

  • 8. beam instrumentation workshop (BIW-98), Stanford, CA (United States), 4-7 May 1998

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  • Other: DE98007242
  • Report No.: BNL--65651
  • Report No.: CONF-980573--
  • Grant Number: AC02-98CH10886;AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 666030
  • Archival Resource Key: ark:/67531/metadc708541

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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

  • June 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 13, 2017, 2:04 p.m.

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Johnson, E.D.; Graves, W.S. & Robinson, K.E. Periscope pop-in beam monitor, article, June 1, 1998; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc708541/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.