High-energy x-ray microbeam with total-reflection mirror optics

Suzuki, Yoshio; Takeuchi, Akihisa; Terada, Yasuko
May 2007
Review of Scientific Instruments;May2007, Vol. 78 Issue 5, p053713
Academic Journal
Total-reflection mirror optics for high-energy x-ray microfocusing have been developed, and tested in the energy range of 30–100 keV at beamline 20XU of Synchrotron Radiation Facility SPring-8. The optical system consists of a Kirkpatrick-Baez-type [J. Opt. Soc. Am. 38, 766 (1548)] focusing optics with aspherical total-reflection mirrors for the purpose of reducing the spherical aberrations. A focused beam size of 0.35×0.4 μm2 has been achieved at an x-ray energy of 80 keV, and the measured spot size was less than 1 μm in the x-ray energy region below 90 keV.


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