Contact-cooled U-monochromators for high heat load x-ray beamlines

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Description

This paper describes the design, expected performance, and preliminary test results of a contact-cooled monochromator for use on high heat load x-ray beamlines. The monochromator has a cross section in the shape of the letter U. This monochromator should be suitable for handing heat fluxes up to 5 W/square millimeter. As such, for the present application, it is compatible with the best internally cooled crystal monochromators. There are three key features in the design of this monochromator. First, it is contact cooled, thereby eliminating fabrication of cooling channels, bonding, and undesirable strains in the monochromator due to coolant-manifold-to-crystal-interface. Second, by ... continued below

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10 p.

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Khounsary, A.; Yun, W.; Trakhtenberg, E.; Xu, S.; Assoufid, L. & Lee, W.K. December 31, 1996.

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Description

This paper describes the design, expected performance, and preliminary test results of a contact-cooled monochromator for use on high heat load x-ray beamlines. The monochromator has a cross section in the shape of the letter U. This monochromator should be suitable for handing heat fluxes up to 5 W/square millimeter. As such, for the present application, it is compatible with the best internally cooled crystal monochromators. There are three key features in the design of this monochromator. First, it is contact cooled, thereby eliminating fabrication of cooling channels, bonding, and undesirable strains in the monochromator due to coolant-manifold-to-crystal-interface. Second, by illuminating the entire length of the crystal and extracting the central part of the reflected beam, sharp slope changes in the beam profile and thus slope errors are avoided. Last, by appropriate cooling of the crystal, tangential slope error can be substantially reduced.

Physical Description

10 p.

Notes

OSTI as DE97001216

Source

  • Denver `96: 1. conference on space processing of materials, at SPIE International Society for Optical Engineering (SPIE) annual international symposium on optical science, engineering, and instrumentation, Denver, CO (United States), 4-9 Aug 1996

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  • Other: DE97001216
  • Report No.: ANL/XFD/CP--91632
  • Report No.: CONF-960848--35
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 432843
  • Archival Resource Key: ark:/67531/metadc687972

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  • December 31, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Dec. 14, 2015, 6:54 p.m.

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Khounsary, A.; Yun, W.; Trakhtenberg, E.; Xu, S.; Assoufid, L. & Lee, W.K. Contact-cooled U-monochromators for high heat load x-ray beamlines, article, December 31, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc687972/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.