论文标题
HCF（HREXI校准设施）：从高分辨率镉泰特里德（CZT）成像X射线检测器中绘制亚像素级响应
HCF (HREXI Calibration Facility): Mapping out sub-pixel level responses from high resolution Cadmium Zinc Telluride (CZT) imaging X-ray detectors
论文作者
论文摘要
哈佛大学的高分辨率X射线成像仪（HREXI）CZT检测器开发程序旨在开发瓷砖阵列，以用于宽场编码的光圈3-200 kev X射线望远镜，用于使用细分像素化的CZT探测器。 $ \ simeq $ 600 $μm$的像素尺寸已经在nustar asic读取的ProtoExist2（P2）检测器中实现。这为下一代HREXI检测器中的300 $ 300 $ $像素铺平了道路。本文介绍了一种新的HREXI校准设施（HCF），该设施可实现高分辨率子像素水平（100 $ $ $ $）2D扫描256 $ CM^2 $瓷砖阵列的2 $ \ times $ 2 cm CM CM CM CM CM CZT检测器，由明亮的X射线Amptek Mini-X Tube source persipecal of Aly Aly Tayscals of Tayscals of Tayscals of Ade Ade of Ade Ade。 HCF比以前用于扫描这些探测器的设备的重大改进，该设备花费了$ \ simeq $ 3周以完成对类似检测器平面的一维扫描。此外，HCF具有在10-50 KeV Energy范围内以100 $μm$分辨率扫描大型CZT检测器（$ 32厘米\ times 32厘米$）的能力。本文介绍了用于校准P2检测器平面的HCF的设计，结构和实施。
The High Resolution Energetic X-Ray Imager (HREXI) CZT detector development program at Harvard is aimed at developing tiled arrays of finely pixelated CZT detectors for use in wide-field coded aperture 3-200 keV X-ray telescopes. A pixel size of $\simeq$ 600 $μm$ has already been achieved in the ProtoEXIST2 (P2) detector plane with CZT read out by the NuSTAR ASIC. This paves the way for even smaller 300 $μm$ pixels in the next generation HREXI detectors. This article describes a new HREXI calibration facility (HCF) which enables a high resolution sub-pixel level (100 $μm$) 2D scan of a 256 $cm^2$ tiled array of 2 $\times$ 2 cm CZT detectors illuminated by a bright X-ray AmpTek Mini-X tube source at timescales of around a day. HCF is a significant improvement from the previous apparatus used for scanning these detectors which took $\simeq$ 3 weeks to complete a 1D scan of a similar detector plane. Moreover, HCF has the capability to scan a large tiled array of CZT detectors ($32cm \times 32cm$) at 100 $μm$ resolution in the 10 - 50 keV energy range which was not possible previously. This paper describes the design, construction, and implementation of HCF for the calibration of the P2 detector plane.
