Design and performance of an imaging plate system for X-ray diffraction study
Design and performance of an imaging plate system for X-ray diffraction study
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DOI：
10.1016/0168-9002(88)90458-5
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发表时间：
1988-04
影响因子：
1.4
通讯作者：
Y. Amemiya;T. Matsushita;A. Nakagawa;Y. Satow;J. Miyahara;J. Chikawa
中科院分区：
文献类型：
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作者：
Y. Amemiya;T. Matsushita;A. Nakagawa;Y. Satow;J. Miyahara;J. Chikawa
通过改进鼓式扫描仪，构建了一种新的BaFBr: Eu2+光刺激荧光粉屏幕（成像板）读出系统，并对其设计进行了优化，以适应x射线衍射和散射应用。利用12位a /D转换器实现了低于20 keV的高探测量子效率、小像素尺寸（25 μm × 25 μm）、低量化噪声（0.22%），并通过使用两个光电倍增管实现了覆盖固有动态范围（1:10 05）的光激发发光能力。该系统被用于几个同步辐射实验：蛋白质晶体的劳埃衍射，单个肌肉纤维的小角度衍射，金刚石铁质细胞中晶体的粉末衍射，以及在拉伸过程中合成聚合物的时间分辨小角度x射线散射。
A new readout system for a BaFBr: Eu2+photostimulable phosphor screen (imaging plate) was constructed by modifying a drum scanner, with a design optimized for X-ray diffraction and scattering applications. An effort was made to achieve a high detective quantum efficiency below 20 keV, a small pixel size (25 μm × 25 μm), a low quantization noise (0.22%) using 12-bit A/D converters, and the capability to cover an inherent dynamic range (1:105) of the photostimulated luminescence by using two photomultiplier tubes. This system is being used in several synchrotron radiation experiments: Laue diffraction of protein crystals, small angle diffraction from a single muscle fiber, powder diffraction from crystals in a diamond anvil cell, and time-resolved small-angle X-ray scattering from a synthetic polymer during stretching.