Three-energy focusing Laue monochromator for the diamond light source x-ray pair distribution function beamline I15-1

John P. Sutter, Philip A. Chater, Michael R. Hillman, Dean S. Keeble, Matt G. Tucker, Heribert Wilhelm

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

The I15-1 beamline, the new side station to I15 at the Diamond Light Source, will be dedicated to the collection of atomic pair distribution function data. A Laue monochromator will be used consisting of three silicon crystals diffracting X-rays at a common Bragg angle of 2.83°. The crystals use the (1 1 1), (2 2 0), and (3 1 1) planes to select 40, 65, and 76 keV X-rays, respectively, and will be bent meridionally to horizontally focus the selected X-rays onto the sample. All crystals will be cut to the same optimized asymmetry angle in order to eliminate image broadening from the crystal thickness. Finite element calculations show that the thermal distortion of the crystals will affect the image size and bandpass.

Original languageEnglish
Title of host publicationProceedings of the 12th International Conference on Synchrotron Radiation Instrumentation, SRI 2015
EditorsOleg Chubar, Ignace Jarrige, Konstantine Kaznatcheev, Lisa Miller, Eli Stavitski, Toshiya Tanabe, Timur Shaftan, Qun Shen, Ronald Pindak, Christie Nelson, Sebastian Kalbfleisch, Juergen Thieme, Garth Williams, Martin Fuchs, Abdul Rumaiz, Jun Wang, Kenneth Evans-Lutterodt, Wah-Keat Lee, Sean McSweeney, Elio Vescovo
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735413986
DOIs
StatePublished - Jul 27 2016
Externally publishedYes
Event12th International Conference on Synchrotron Radiation Instrumentation, SRI 2015 - New York, United States
Duration: Jul 6 2015Jul 10 2015

Publication series

NameAIP Conference Proceedings
Volume1741
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference12th International Conference on Synchrotron Radiation Instrumentation, SRI 2015
Country/TerritoryUnited States
CityNew York
Period07/6/1507/10/15

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