20-ELEMENT HGI2 ENERGY DISPERSIVE-X-RAY ARRAY DETECTOR SYSTEM

被引：7

作者：

IWANCZYK, JS

DORRI, N

WANG, M

SZCZEBIOT, RW

DABROWSKI, AJ

HEDMAN, B

HODGSON, KO

PATT, BE

机构：

[1] SLAC,STANFORD SYNCHROTRON RADIAT LAB,STANFORD,CA 94309

[2] STANFORD UNIV,DEPT CHEM,STANFORD,CA 94305

[3] EG&G ENERGY MEASUREMENTS INC,GOLETA,CA 93117

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 1992年 / 39卷 / 05期

基金：

美国国家卫生研究院; 美国国家航空航天局;

关键词：

D O I：

10.1109/23.173190

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes recent progress in the development of HgI2 energy dispersive x-ray detector arrays and associated miniaturized processing electronics for synchrotron radiations research applications. The experimental results with a 20-element array detector were obtained under realistic synchrotron beam conditions at SSRL. An energy resolution of 250 eV (FWHM) at 5.9 keV (Mn-Kalpha) was achieved. Energy resolution and throughput measurements versus input count rate and energy of incoming radiation have been measured. Extended X-ray Absorption Fine Structure (EXAFS) spectra were taken from diluted samples simulating proteins with nickel.

引用

收藏

页码：1275 / 1280

页数：6

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