Concentration of synchrotron beams by means of monolithic polycapillary x-ray optics

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Capillary Optics have proven to be a valuable tool for concentrating synchrotron radiation. Single tapered capillaries are used at several facilities. However, most of these optics collect only over a small area. this can be overcome by using larger capillary structures. Polycapillary optics can deflect x-rays by larger angles than other x-ray optics that use only one or two reflections. Conventional x-ray optics that achieve similar deflections, are much more energy selective than capillaries. Therefore, capillaries achieve very short focal distances for a wide range of energies. The measurements shown here represent first tests performed with polycapillaries of large input ... continued below

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9 p.

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Ullrich, J.B.; Klotzko, I.L.; Huang, K.G.; Owens, S.M.; Aloisi, D.C.; Hofmann, F.A. et al. August 1, 1995.

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Description

Capillary Optics have proven to be a valuable tool for concentrating synchrotron radiation. Single tapered capillaries are used at several facilities. However, most of these optics collect only over a small area. this can be overcome by using larger capillary structures. Polycapillary optics can deflect x-rays by larger angles than other x-ray optics that use only one or two reflections. Conventional x-ray optics that achieve similar deflections, are much more energy selective than capillaries. Therefore, capillaries achieve very short focal distances for a wide range of energies. The measurements shown here represent first tests performed with polycapillaries of large input diameter. The performance with respect to transmission efficiency and spot size was evaluated for a set of four very different prototypes. It is shown that a significant gain may be achieved if a spot size of the order of 0.1 mm is required. Further, some characteristics of the different optics are discussed.

Physical Description

9 p.

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INIS; OSTI as DE97007875

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  • Other Information: PBD: Aug 1995

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  • Other: DE97007875
  • Report No.: ANL/MSD/PP--87657
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/505378 | External Link
  • Office of Scientific & Technical Information Report Number: 505378
  • Archival Resource Key: ark:/67531/metadc698883

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  • August 1, 1995

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Aug. 8, 2016, 8:32 p.m.

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Ullrich, J.B.; Klotzko, I.L.; Huang, K.G.; Owens, S.M.; Aloisi, D.C.; Hofmann, F.A. et al. Concentration of synchrotron beams by means of monolithic polycapillary x-ray optics, report, August 1, 1995; Illinois. (digital.library.unt.edu/ark:/67531/metadc698883/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.