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

页码：348 / 351

页数：4

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