| 摘要 |
PROBLEM TO BE SOLVED: To acquire selectively a linear X-ray beam or a point-shaped X-ray beam, while using an X-ray source for generating an X-ray beam having a linear section, and to enhance the X-ray intensity per unit area when the point-shaped X-ray beam is selected. SOLUTION: This X-ray optical system is equipped with the X-ray source 10, a paraboloidal multilayered film mirror 18 having an aperture slit plate 14 attached thereto, an optical path selection slit device 22, a polycapillary 36, and an outgoing width restriction slit 38. The polycapillary 36 and the outgoing width restriction slit 38 are inserted detachably into a route of a parallel beam 20 going out from the paraboloidal multilayered film mirror 18, and can be removed from the route. Then, a solar slit 26 and a divergent slit 28 can be inserted into the vacant spot. COPYRIGHT: (C)2008,JPO&INPIT
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