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    • 6. 发明申请
    • Double-multilayer Monochromator
    • 双层单色机
    • US20140112452A1
    • 2014-04-24
    • US14057642
    • 2013-10-18
    • Helmholtz-Zentrum Geesthacht Zentrum Für Material-und Küstenforschung GmbH
    • Michael StoermerAstrid Haibel
    • G21K1/06
    • G21K1/062B82Y10/00
    • The present invention relates to a double-multilayer monochromator. The monochromator comprises a base, a housing moveably mounted on the base and having in one side thereof at least one inlet window for the inlet of a X-ray beam and in another side thereof an outlet window for the outlet a monochromatized X-ray beam, support means mounted in the housing to support opposed mirror pairs, wherein each of the mirrors has a coated surface, each of said coated mirror surfaces being coated with a multilayer coating in alternating layers of a scatterer material (A) having a thickness dA and a spacer material (B) having a thickness dB. The present monochromator provides an enhanced purity of the synchrotron beam, where even and odd orders of higher harmonics are rejected. This is achieved in that the ratio dA:(dA+dB) on one of the facing mirrors of the mirror pairs is about 1:2 and the ratio dA:(dA+dB) on the other of the facing mirrors of the mirror pairs is about 1:3.
    • 本发明涉及一种双层多层单色仪。 单色器包括基座,壳体可移动地安装在基座上,并且在其一侧具有用于X射线束入口的至少一个入口窗口,并且在另一侧具有用于出口的出口窗口,其具有单色化的X射线束 ,支撑装置,其安装在所述壳体中以支撑相对的镜对,其中每个所述反射镜具有涂覆表面,每个所述涂覆的镜表面涂覆有具有厚度dA的散射体材料(A)的交替层中的多层涂层,以及 具有厚度dB的间隔材料(B)。 本单色仪提供同步加速器光束的增强的纯度,其中高次谐波的偶次和奇数阶被拒绝。 这是通过在镜对中的一个面对镜上的比率dA:(dA + dB)约为1:2,并且镜对上的另一面朝镜上的比dA(dA + dB) 约1:3。