x-ray monochromator

x-ray monochromator

[′eks ‚rā ¦män·ə¦krō‚mād·ər]
(engineering)
An instrument in which x-rays are diffracted from a crystal to produce a beam having a narrow range of wavelengths.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
As a small spot X-ray monochromator, the instrument provides better energy resolution than those operating only in the large spot mode.
As a small spot x-ray monochromator, the XR5 is said to provide better energy resolution than those operating only in the large spot mode.
By combining a large x-ray monochromator with a water-cooled rotating anode for the x-ray source and a line-imaging detection system, we have dramatically improved the resolution, signal-to-noise ratio, and speed of analysis for the ESCA (electron spectroscopy for chemical analysis) technique (see accompanying box).
Very recently ultra-high resolution X-ray monochromators have been developed to provide sufficient flux in a narrow band width (5 meV at 14.4 ke V) in order to enable spectroscopy of nuclear energy levels (Mossbauer).