发明名称 |
X-ray spectrometer and apparatus for XAFS measurements |
摘要 |
An X-ray spectrometer having a curved crystal monochromator which diffracts a continuous X-ray beam from an X-ray source to produce a monochromatic X-ray beam. An angle of incidence of the continuous X-ray beam can be changed with respect to the monochromator so as to change the wavelength of the monochromatic X-ray beam which is focused on and taken out from a receiving slit. The X-ray source, the monochromator and the receiving slit must be positioned always on a Rowland circle. The X-ray source and the monochromator can be moved so that the angle of incidence changes, while the receiving slit remains always stationary and the direction of an X-ray path from the center of the monochromator to the receiving slit remains always constant. Such an X-ray spectrometer is usable as an X-ray irradiation system of XAFS (X-ray Absorption Fine Structure) apparatus so that XAFS measurements require no movement of the sample.
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申请公布号 |
US6456688(B1) |
申请公布日期 |
2002.09.24 |
申请号 |
US20000643780 |
申请日期 |
2000.08.22 |
申请人 |
RIGAKU CORPORATION |
发明人 |
TAGUCHI TAKEYOSHI;OSAWA NOBORU;TOHJI KAZUYUKI |
分类号 |
G01N23/08;G01N23/223;G21K1/06;G21K5/02;(IPC1-7):G21K1/06 |
主分类号 |
G01N23/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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