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Title: Multiple wavelength X-ray monochromators

Abstract

An improved apparatus and method is provided for separating input x-ray radiation containing first and second x-ray wavelengths into spatially separate first and second output radiation which contain the first and second x-ray wavelengths, respectively. The apparatus includes a crystalline diffractor which includes a first set of parallel crystal planes, where each of the planes is spaced a predetermined first distance from one another. The crystalline diffractor also includes a second set of parallel crystal planes inclined at an angle with respect to the first set of crystal planes where each of the planes of the second set of parallel crystal planes is spaced a predetermined second distance from one another. In one embodiment, the crystalline diffractor is comprised of a single crystal. In a second embodiment, the crystalline diffractor is comprised of a stack of two crystals. In a third embodiment, the crystalline diffractor includes a single crystal that is bent for focusing the separate first and second output x-ray radiation wavelengths into separate focal points. 3 figs.

Inventors:
Issue Date:
OSTI Identifier:
7310363
Patent Number(s):
5164975 A
Application Number:
PPN: US 7-714805
Assignee:
Dept. of Energy, Washington, DC (United States) PTO; EDB-94-090360
DOE Contract Number:  
AC04-76DP03533
Resource Type:
Patent
Resource Relation:
Patent File Date: 13 Jun 1991
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 43 PARTICLE ACCELERATORS; MONOCHROMATORS; DESIGN; X RADIATION; WAVELENGTHS; BEAM OPTICS; DIFFRACTION; FOCUSING; MONOCRYSTALS; SPECTROMETERS; COHERENT SCATTERING; CRYSTALS; ELECTROMAGNETIC RADIATION; IONIZING RADIATIONS; MEASURING INSTRUMENTS; RADIATIONS; SCATTERING; 440100* - Radiation Instrumentation; 430303 - Particle Accelerators- Experimental Facilities & Equipment

Citation Formats

Steinmeyer, P.A. Multiple wavelength X-ray monochromators. United States: N. p., 1992. Web.
Steinmeyer, P.A. Multiple wavelength X-ray monochromators. United States.
Steinmeyer, P.A. Tue . "Multiple wavelength X-ray monochromators". United States.
@article{osti_7310363,
title = {Multiple wavelength X-ray monochromators},
author = {Steinmeyer, P.A.},
abstractNote = {An improved apparatus and method is provided for separating input x-ray radiation containing first and second x-ray wavelengths into spatially separate first and second output radiation which contain the first and second x-ray wavelengths, respectively. The apparatus includes a crystalline diffractor which includes a first set of parallel crystal planes, where each of the planes is spaced a predetermined first distance from one another. The crystalline diffractor also includes a second set of parallel crystal planes inclined at an angle with respect to the first set of crystal planes where each of the planes of the second set of parallel crystal planes is spaced a predetermined second distance from one another. In one embodiment, the crystalline diffractor is comprised of a single crystal. In a second embodiment, the crystalline diffractor is comprised of a stack of two crystals. In a third embodiment, the crystalline diffractor includes a single crystal that is bent for focusing the separate first and second output x-ray radiation wavelengths into separate focal points. 3 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1992},
month = {11}
}