An electromagnetic helical undulator for polarized x-rays

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Description

Linearly and circularly polarized x-rays have been very successfully applied to the study of the properties of materials. Many applications can benefit from the availability of energy-turnable, high-brilliance x-ray beams with adjustable polarization properties. A helical undulator that can generate beams of variable (linear to circular) polarization has been designed and built by the Budker Institute of Nuclear Physics and the Advanced Photon Source. The first harmonic of this 12.8-cm-period device will cover the energy range from 0.4 keV to 3.5 keV. An important feature of this fully electromagnetic device is that it will allow one to generate 100% horizontally ... continued below

Physical Description

6 p.

Creation Information

Gluskin, E.; Vinokurov, N.; Tcheskidov, V.; Medvedko, A.; Evtushenko, Y. Kolomogorov, V.; Vobly, P. et al. October 28, 1999.

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Description

Linearly and circularly polarized x-rays have been very successfully applied to the study of the properties of materials. Many applications can benefit from the availability of energy-turnable, high-brilliance x-ray beams with adjustable polarization properties. A helical undulator that can generate beams of variable (linear to circular) polarization has been designed and built by the Budker Institute of Nuclear Physics and the Advanced Photon Source. The first harmonic of this 12.8-cm-period device will cover the energy range from 0.4 keV to 3.5 keV. An important feature of this fully electromagnetic device is that it will allow one to generate 100% horizontally (K{sub x}=O)or vertically (K{sub y}=O) plane-polarized radiation, which will enable many experiments otherwise not technically feasible. With symmetric deflection parameters (K{sub x}=K{sub y}), the on-axis radiation will be circularly polarized, with a user-selectable handedness. The polarization can be changed at rates up to 10 Hz.

Physical Description

6 p.

Notes

INIS; OSTI as DE00750559

Medium: P; Size: 6 pages

Source

  • 11th U. S. National Synchrotron Radiation Instrumentation Conference, Stanford, CA (US), 10/13/1999--10/15/1999

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  • Report No.: ANL/XFD/CP-100295
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 750559
  • Archival Resource Key: ark:/67531/metadc702394

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  • October 28, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2017, 1:03 p.m.

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Gluskin, E.; Vinokurov, N.; Tcheskidov, V.; Medvedko, A.; Evtushenko, Y. Kolomogorov, V.; Vobly, P. et al. An electromagnetic helical undulator for polarized x-rays, article, October 28, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc702394/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.