The glass capillary plate (CP) gas detector is a hole-type micropattern gas detector (MPGD) as well as a gas electron multiplier (GEM). An interesting feature of the hole-type MPGD is that since the electron multiplication takes place in each of the highly granulated holes, pixelized 2-D imaging with a high position resolution is possible. Using the CP, we have been developing a gas scintillation imager (GSI) for digital X-ray radiography, cosmic X-ray polarimetry, and neutron imaging. To realize the 2-D imaging capability, we exploit the visible and near-infrared (NIR) scintillation photons emitted from each hole upon gas excitation. This emission occurs simultaneously with electron multiplication. The readout of the scintillation photons has been carried out using an image-intensified charge-coupled device (CCD) or CMOS camera, or a cooled low-noise CCD/CMOS camera, coupled to an optical mirror or lens systems. In this article, we review the properties of the GSI as X-ray and neutron imagers and describe the outlook for future developments.

中文翻译：

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带毛细管板的气体闪烁成像仪


玻璃毛细管板 (CP) 气体检测器是孔型微图案气体检测器 (MPGD) 以及气体电子倍增器 (GEM)。空穴型 MPGD 的一个有趣特征是，由于电子倍增发生在每个高度颗粒化的空穴中，因此可以实现具有高位置分辨率的像素化二维成像。使用 CP，我们一直在开发用于数字 X 射线照相、宇宙 X 射线偏振测量和中子成像的气体闪烁成像仪 (GSI)。为了实现二维成像能力，我们利用气体激发时每个孔发射的可见光和近红外（NIR）闪烁光子。这种发射与电子倍增同时发生。闪烁光子的读出是使用图像增强电荷耦合器件（CCD）或CMOS相机，或冷却低噪声CCD/CMOS相机，耦合到光学镜或透镜系统来进行的。在本文中，我们回顾了 GSI 作为 X 射线和中子成像仪的特性，并描述了未来发展的前景。