Rentgenový teleskop
    95.
    发明专利

    公开(公告)号:CZ20120265A3

    公开(公告)日:2013-07-03

    申请号:CZ20120265

    申请日:2012-04-17

    CPC classification number: G21K1/06 G21K2201/062 G21K2201/064

    Abstract: Teleskop zobrazující rentgenové zárení o vlnové délce (.lambda.) je tvorena parabolickým pásem slozeným z ohnutých monokrystalických desticek (1, 2) s atomovými rovinami (5) rovnobeznými s povrchem techto monokrystalických desticek (1, 2), jejichz vzájemná vzdálenost se v kazdé monokrystalické desticce (1, 2) mení dle vztahu d= , kde n je prirozené císlo, které udává pocet vlnových délek (.lambda.) pripadajících na rozdíl drah paprsku pri odrazu od dvou sousedních atomových rovin (5) a p je dvojnásobek vzdálenosti ohniskové prímky (F) od vrcholové prímky (V) parabolického pásu, tj. pro danou monokrystalickou desticku (1, 2) natazenou mezi (x.sub.min.n.) a (x.sub.max.n.) platí vztah = , kde (d.sub.0.n.) je vzdálenost mezi atomovými rovinami (5) v bode o souradnici (x.sub.min.n.) a (d) je vzdálenost mezi atomovými rovinami (5) v bode o souradnici (x). Tohoto prubehu lze dosáhnout rozlozením teplot v ruzných místech podle experimentálne zmerené závislosti mrízkového parametru .gama. na teplote T(x) = T(x.sub.min.n.) + .

    Highly reflective crystalline mosaic neutron monochromator

    公开(公告)号:US10020087B1

    公开(公告)日:2018-07-10

    申请号:US14692570

    申请日:2015-04-21

    Inventor: Michael Kozhukh

    Abstract: A crystal monochromator is manufactured by heating a crystal having an original thickness to a temperature of over about 850° C. The crystal is compressed for a duration of approximately 1-5 minutes with a force of about 5-10 metric tons while the crystal is maintained at the temperature of over about 850° C. to plastically deform the crystal along an axis, wherein the compressing causes a plastic deformation of about 0.5%-1.5% of the original thickness. The crystal may be sliced to form crystal monochromators having a mosaicity of between about 15-28 arcminutes and a slow neutron reflectivity of over 70% at a rocking curve peak.

    Optical design method for X-ray focusing system using rotating mirror, and X-ray focusing system

    公开(公告)号:US09892811B2

    公开(公告)日:2018-02-13

    申请号:US14904494

    申请日:2014-02-03

    CPC classification number: G21K1/067 G02B5/10 G02B19/0023 G21K2201/064

    Abstract: An object of the invention is to provide a novel optical design method for an X-ray focusing system capable of collecting all the fluxes, while applying an X-ray of a very small divergence angle to the entire surface of a rotating mirror. The method includes a step of determining the shape of a rotating mirror (3) provided with a reflection surface, the reflection surface being formed by rotating, by one turn around an optical axis (OA), a one-dimensional profile composed of an ellipse or a part of combination of the ellipse and a hyperbolic curve, the ellipse including a downstream focal point (F) serving as a light collecting point of the X-ray focusing system, and including an upstream focal point (F1) deviated from the optical axis (OA); and a step of determining the shape of a reflection surface of an annular focusing mirror (4).

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