Note: Measurement of synchrotron radiation phase-space beam properties to verify astigmatism compensation in Fresnel zone plate focusing optics

Yasushi Kagoshima, Takamasa Miyagawa, Saki Kagawa, Shingo Takeda, Hidekazu Takano

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The intensity distribution in phase space of an X-ray synchrotron radiation beamline was measured using a pinhole camera method, in order to verify astigmatism compensation by a Fresnel zone plate focusing optical system. The beamline is equipped with a silicon double crystal monochromator. The beam size and divergence at an arbitrary distance were estimated. It was found that the virtual source point was largely different between the vertical and horizontal directions, which is probably caused by thermal distortion of the monochromator crystal. The result is consistent with our astigmatism compensation by inclining a Fresnel zone plate.

Original languageEnglish
Article number086110
JournalReview of Scientific Instruments
Volume88
Issue number8
DOIs
Publication statusPublished - 2017 Aug 1

ASJC Scopus subject areas

  • Instrumentation

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