Results of design calculations for the modulator of the crossed field undulator device

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Description

The modulator is a five pole wiggler with a fixed 5 cm gap. In the current design, the modulator is oriented so that the magnetic field in the device is parallel to the field in one of the undulators. The two end poles have no coil and are only half as thick as the inner poles. The end poles serve as field clamps that reduce the stray field of the modulator and the sextupole coefficient of the field integral. The center pole and the two side poles can be energized with coils. As long as the permeability is large enough ... continued below

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5 p.

Creation Information

Sovay, R. August 1, 1990.

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Description

The modulator is a five pole wiggler with a fixed 5 cm gap. In the current design, the modulator is oriented so that the magnetic field in the device is parallel to the field in one of the undulators. The two end poles have no coil and are only half as thick as the inner poles. The end poles serve as field clamps that reduce the stray field of the modulator and the sextupole coefficient of the field integral. The center pole and the two side poles can be energized with coils. As long as the permeability is large enough within the steel the current in the center coil should be twice the current in a side coil to avoid steering the electron beam. Therefore, if the center coil has twice as many turns as the side coil, the magnet can be driven by one power supply.

Physical Description

5 p.

Notes

OSTI as DE96015160

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  • Other Information: PBD: Aug 1990

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  • Other: DE96015160
  • Report No.: ANL/APS/LS--151
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/379076 | External Link
  • Office of Scientific & Technical Information Report Number: 379076
  • Archival Resource Key: ark:/67531/metadc677112

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Creation Date

  • August 1, 1990

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

Description Last Updated

  • Dec. 14, 2015, 6:27 p.m.

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Sovay, R. Results of design calculations for the modulator of the crossed field undulator device, report, August 1, 1990; Illinois. (digital.library.unt.edu/ark:/67531/metadc677112/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.