发明公开
EP2600354A2 X-ray waveguide and X-ray waveguide system
审中-公开
RöntgenwellenleiterundRöntgenwellenleitersystem
- 专利标题: X-ray waveguide and X-ray waveguide system
- 专利标题(中): RöntgenwellenleiterundRöntgenwellenleitersystem
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申请号: EP12008083.3申请日: 2012-12-03
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公开(公告)号: EP2600354A2公开(公告)日: 2013-06-05
- 发明人: Okamoto, Kohei , Komoto, Atsushi , Kubo, Wataru , Miyata, Hirokatsu , Noma, Takashi
- 申请人: Canon Kabushiki Kaisha
- 申请人地址: 30-2 Shimomaruko 3-chome Ohta-ku Tokyo JP
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: 30-2 Shimomaruko 3-chome Ohta-ku Tokyo JP
- 代理机构: Weser, Wolfgang
- 优先权: JP2011265070 20111202
- 主分类号: G21K1/06
- IPC分类号: G21K1/06
摘要:
In an X-ray waveguide including a cladding (701, 702) and a core to guide an X-ray, the core includes a periodic structure of plural substances (703, 704) having different values of a refractive-index real part in a direction perpendicular to an X-ray guiding direction. A Bragg angle determined depending on an X-ray wavelength and periodicity of the periodic structure is smaller than a critical angle for total reflection of the X-ray at a core-cladding interface. The Bragg angle is larger than a critical angle for total reflection of the X-ray at an interface between the plural substances constituting the periodic structure. The core has, in the X-ray guiding direction, two or more regions (705, 706) differing in periodic number of the periodic structure constituting the core with a core width in a direction of period being different between the two or more regions corresponding to change of the periodic number.
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