A high-spatial-resolution fiber-optic-coupled CMOS imager with novel scintillator for high-energy x-ray application

被引：0
|
作者：
Baur, Robin M. [1 ,2 ]
Tate, Mark W. [3 ]
Dale, Darren S. [2 ]
Gruner, Sol M. [1 ,2 ,3 ,4 ]
机构：
[1] Cornell Univ, Dept Phys, Ithaca, NY 14853 USA
[2] Cornell Univ, Cornell High Energy Synchrotron Source, Ithaca, NY 14853 USA
[3] Cornell Univ, Atom & Solid State Phys Lab, Ithaca, NY 14853 USA
[4] Cornell Univ, Kavli Inst Cornell Nanoscale Sci, Ithaca, NY 14853 USA
来源：
11TH INTERNATIONAL CONFERENCE ON SYNCHROTRON RADIATION INSTRUMENTATION (SRI 2012) | 2013年 / 425卷
关键词：
D O I：
10.1088/1742-6596/425/6/062012
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A fast, high-spatial-resolution detector for high-energy microscopy work is presented. The detector uses a 2160 x 2560 CMOS chip for fast framing (up to 100 Hz in full-frame mode), coupled by a fiber optic taper to a scintillating Terbium-doped fiber optic plate for excellent stopping power even at high energies. The field of view is 7mm x 8.6mm with a resolution of 9 microns. The sensitivity is 1 e-/x-ray at 35 keV, with a read noise of 2.5 e-/pixel. Standard characterization metrics including dark current, sensitivity, modulation transfer function, and detective quantum efficiency are presented, along with preliminary experimental results.
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页数：4
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