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首页> 外文期刊>Nuclear Instruments & Methods in Physics Research. B, Beam Interactions with Materials and Atoms >Transmission diffractive patterns of large microchannel plates at soft X-ray energies
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Transmission diffractive patterns of large microchannel plates at soft X-ray energies

机译:大型微通道板在软X射线能量下的透射衍射图

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摘要

In this contribution we compare experimental and theoretical diffractive patterns of Micro Channel Plates (MCPs) in transmission. We evaluate the transmission efficiency of different optical devices at different energies of the primary X-ray radiation in the normal incidence geometry. Data were collected performing angular scans of both the MCP device and of the detector in the range of a few degrees. We analyzed MCPs of 33 mm and 20 mm diameter and ~300 μm thickness, having circular micro-channels of 3.4 urn directed normal to the MCP surface. Quite symmetric patterns of increasing complexity from high to low photon energy have been collected. Their shape and intensity are in reasonable agreement with preliminary simulations.
机译:在这项贡献中,我们比较了微通道板(MCP)在传输中的实验和理论衍射图。我们评估了法线入射几何中不同光学设备在主要X射线辐射的不同能量下的传输效率。在几度范围内对MCP设备和检测器进行角度扫描时,收集了数据。我们分析了直径为33毫米和20毫米,厚度约为300微米的MCP,它们具有垂直于MCP表面的3.4微米的圆形微通道。已经收集了从高光子能量到低光子能量越来越复杂的相当对称的模式。它们的形状和强度与初步模拟合理地吻合。

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    Physics Department, Southern Federal University, Rostov-on-Don, Russia,lNFN Laboratori Nazionali di Frascati, 00044 Frascati, Italy;

    lNFN Laboratori Nazionali di Frascati, 00044 Frascati, Italy,RAS P.N. Lebedev Physical Institute, Moscow, Russia,NR Nuclear University MEPhI, Moscow, Russia;

    Physics Department, Southern Federal University, Rostov-on-Don, Russia;

    M. Smoluchowski Institute of Physics, Jagiellonian University, Krakow, Poland;

    Institute for Nanometre Optics, Helmholtz-Zentrum Berlin, Albert-Einstein-Strasse 15, Berlin 12489, Germany;

    CNR-ISM, LD2 Unit, Via del Fosso del Cavaliere 100, 00133 Rome, Italy;

    CNR-ISM, LD2 Unit, Via del Fosso del Cavaliere 100, 00133 Rome, Italy;

    Universita Roma Tre, Largo S. Leonardo Murialdo 1, 00146 Roma, Italy,University of Trieste, Department of Physics, 34127 Trieste, Italy;

    Sorbonne University, UPMC Universites Paris 06, UMR 7588, INSP, F-75005 Paris. France,CNRS, UMR 7588. Institut des NanoSciences de Paris, F-75005 Paris, France,Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, France;

    lNFN Laboratori Nazionali di Frascati, 00044 Frascati, Italy,R1CMASS, Rome International Center for Materials Science Superstripes, Via dei Sabelli 119A, 00185 Rome, Italy,CNR-ISM, LD2 Unit, Via del Fosso del Cavaliere 100, 00133 Rome, Italy;

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  • 正文语种 eng
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  • 关键词

    X-ray; X-ray optics; Capillary; Channeling phenomena; X-ray emission and fluorescence;

    机译:X射线X射线光学;毛细管引导现象;X射线发射和荧光;

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