HIGH-RESOLUTION, LARGE-ANGULAR-ACCEPTANCE MONOCHROMATOR FOR HARD X-RAYS

被引：43
|
作者：
MOONEY, TM
TOELLNER, T
STURHAHN, W
ALP, EE
SHASTRI, SD
机构：
[1] CORNELL UNIV,CORNELL HIGH ENERGY SYNCHROTRON SOURCE,ITHACA,NY 14853
[2] CORNELL UNIV,SCH APPL & ENGN PHYS,ITHACA,NY 14853
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 347卷 / 1-3期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0168-9002(94)91907-0
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We have constructed the first working model of a novel diffraction geometry for the high-resolution monochromatization of hard (5-30 keV) synchrotron radiation. The monochromator has an energy bandpass of 6.7 meV FWHM and an angular acceptance of 22 murad (4.5 arcseconds) for 14.4 keV X rays - an energy resolution DELTAE/E of 4.6 X 10(-7). With a second set of crystals, an energy bandpass of 23 meV FWHM and an angular acceptance of 7 murad was achieved for 23.8 keV photons. The performance of the monochromator has been verified, in a nearly ideal measurement, using nuclear-fluorescent X rays with an energy bandwidth on the order of 10 neV.
引用
收藏
页码：348 / 351
页数：4
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