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Synchrotron X-ray Microdiffraction and Fluorescence Imaging of Mineral and Rock Samples
Published on: June 19, 2018
Imaging X-ray fluorescence microscope with a Wolter-type grazing-incidence mirror
1Institute of Applied Physics, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305, Japan.
Journal of Synchrotron Radiation
|July 21, 2004
Summary
A novel X-ray fluorescence microscope utilizing a Wolter-type mirror achieved clear imaging of characteristic X-rays from fine grids. This imaging X-ray fluorescence microscopy demonstrates a spatial resolution better than 10 micrometers.
Area of Science:
- Microscopy
- X-ray optics
- Materials science
Background:
- X-ray fluorescence (XRF) microscopy enables elemental analysis with high spatial resolution.
- Grazing-incidence optics offer potential for high-resolution X-ray imaging.
Purpose of the Study:
- To develop and demonstrate an imaging X-ray fluorescence microscope using Wolter-type optics.
- To evaluate the performance and spatial resolution of the developed microscope.
Main Methods:
- Construction of an imaging X-ray fluorescence microscope at Photon Factory beamline 6C2.
- Utilizing a Wolter-type grazing-incidence mirror as the objective lens.
- Employing fine grids as test specimens to record X-ray fluorescence images.
Main Results:
- Successfully imaged characteristic X-rays emitted from test specimens.
- Achieved clear X-ray fluorescence images of fine grids.
- Estimated spatial resolution to be better than 10 micrometers.
Conclusions:
- The Wolter-type grazing-incidence mirror is effective for high-resolution X-ray fluorescence microscopy.
- The developed microscope shows promise for advanced elemental mapping applications.
- Demonstrated the feasibility of X-ray fluorescence imaging with sub-10-micrometer resolution.
