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Focusing of hard x-rays with spherical compound refractive lens

机译:用球形复合折射透镜聚焦硬X射线

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A focusing test of hard x-rays has been done using spherical compound refractive lens which was composed of 123 biconcave microlenses with a size of 200 μm in diameter. Each microlens was formed by the epoxy between two bubbles which were injected into an epoxy-filled glass capillary. The focal length of the lens was 114 mm at 8 keV. The optical simulation was completed by ray tracing by the commercial program of ZEMAX. The estimated size of focal spot was 17.2 μm. The focusing experiment has been achieved at U7B beamline in the National Synchrotron Radiation Laboratoryrn(NSRL) at the energy of 8 keV. The measured focal spot size ( FWHM ) was 33.3×65.9 μm~2 ( V×H ).
机译:使用球形复合折射透镜进行了硬X射线的聚焦测试,该透镜由123个双凹微透镜组成,直径为200μm。每个微透镜由两个气泡之间的环氧树脂形成,然后将两个气泡注入到填充环氧树脂的玻璃毛细管中。透镜的焦距在8 keV时为114 mm。光学模拟是通过ZEMAX的商业程序通过光线追踪完成的。焦点的估计大小为17.2μm。在国家同步辐射实验室(UrlB)的U7B光束线上以8 keV的能量完成了聚焦实验。测得的焦点尺寸(FWHM)为33.3×65.9μm〜2(V×H)。

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