Feasibility study of a "4H" X-ray camera based on GaAs: Cr sensor

被引：9

作者：

Dragone, A. ^{[1
]}

Kenney, C. ^{[1
]}

Lozinskaya, A. ^{[2
]}

Tolbanov, O. ^{[2
]}

Tyazhev, A. ^{[2
]}

Zarubin, A. ^{[2
]}

Wang, Zhehui ^{[3
]}

机构：

[1] SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA

[2] Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia

[3] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

JOURNAL OF INSTRUMENTATION | 2016年 / 11卷

关键词：

Detector modelling and simulations I (interaction of radiation with matter; interaction of photons with matter; interaction of hadrons with matter; etc); Instrumentation for FEL; Solid state detectors; X-ray detectors; IMAGING DETECTORS; SYNCHROTRON;

D O I：

10.1088/1748-0221/11/11/C11042

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A multilayer stacked X-ray camera concept is described. This type of technology is called '4H' X-ray cameras, where 4H stands for high-Z (Z > 30) sensor, high-resolution (less than 300 micron pixel pitch), high-speed (above 100 MHz), and high-energy (above 30 keV in photon energy). The components of the technology, similar to the popular two-dimensional (2D) hybrid pixelated array detectors, consists of GaAs: Cr sensors bonded to high-speed ASICs. 4H cameras based on GaAs also use integration mode of X-ray detection. The number of layers, on the order of ten, is smaller than an earlier configuration for single-photon-counting (SPC) mode of detection [ 9]. High-speed ASIC based on modification to the ePix family of ASIC is discussed. Applications in X-ray free electron lasers (XFELs), synchrotrons, medicine and non-destructive testing are possible.

引用

页数：12

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