Title:
OPTICAL DEVICE FOR X-RAYS
Document Type and Number:
WIPO Patent Application WO/2019/137918
Kind Code:
A1
Abstract:
The invention relates to an optical element for the focusing and the monochromatisation of an X-ray beam, comprising: a support (7) in which a double sagittal and meridional concave curvature surface (U) is machined; and a diffractive substrate lamina (5) with a crystal or pseudo-crystal lattice with rectilinear lattice planes in the absence of constraints, firmly applied and fastened to the double-curvature surface of the support (7), characterised in that the lamina (5) has at least one cut-out (9) in a V shape, which is formed by two tangent or secant cut-out lines, defining a point directed towards a central portion of the lamina (5) and a base that flares out towards the edge of the lamina (5).
Inventors:
MERCIER YANN (FR)
RIVET ALAIN (FR)
RIVET ALAIN (FR)
Application Number:
PCT/EP2019/050348
Publication Date:
July 18, 2019
Filing Date:
January 08, 2019
Export Citation:
Assignee:
ALPYX (FR)
International Classes:
G21K1/06
Foreign References:
| JP2015219221A | 2015-12-07 | |||
| US3927319A | 1975-12-16 | |||
| GB1304868A | 1973-01-31 | |||
| US20080151089A1 | 2008-06-26 |
Other References:
None
Attorney, Agent or Firm:
CROONENBROEK, Thomas et al. (FR)
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