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Low-cost Rolled X-ray Prism Lenses to increase photon flux density in diffractometry experiments

Published online by Cambridge University Press:  15 April 2014

H. Vogt ,
A. Last ,
J. Mohr ,
F. Marschall ,
K.-U. Mettendorf ,
R. Eisenhower  and
M. Simon
H. Vogt*
Affiliation:
Karlsruhe Institute of Technology (KIT), Institute of Microstructure Technology (IMT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
A. Last
Affiliation:
Karlsruhe Institute of Technology (KIT), Institute of Microstructure Technology (IMT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
J. Mohr
Affiliation:
Karlsruhe Institute of Technology (KIT), Institute of Microstructure Technology (IMT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
F. Marschall
Affiliation:
Karlsruhe Institute of Technology (KIT), Institute of Microstructure Technology (IMT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
K.-U. Mettendorf
Affiliation:
Bruker AXS GmbH, Östliche Reinbrückenstraße 49, 76187 Karlsruhe, Germany
R. Eisenhower
Affiliation:
Bruker AXS GmbH, Östliche Reinbrückenstraße 49, 76187 Karlsruhe, Germany
M. Simon
Affiliation:
PI miCos GmbH, Freiburger Strasse 30, 79427 Eschbach, Germany
*
a)Author to whom correspondence should be addressed. Electronic mail: harald.vogt@kit.edu
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Abstract

At the Institute of Microstructure Technology (IMT) of the Karlsruhe Institute of Technology (KIT), a new type of refractive X-ray optics has been developed. Owing to its comparably easy fabrication method and the large aperture, the so-called Rolled X-ray Prism Lenses (RXPL) have the potential to be used with X-ray tubes in an industrial environment as a low-cost alternative to existing optics. The lens itself is built out of a micro-structured foil which is cut into shape and rolled around a winding core to form a refracting element for X-rays. The resulting refractive structure can be used as illumination optics. Diffractometry experiments with an NIST 1976a sample were performed and showed up to an 18-fold enhanced integrated intensity compared to that acquired with a steel tube collimator.

Keywords

X-rayrefractiveopticsRXPLfoil
Type
Technical Articles
Information
Powder Diffraction , Volume 29 , Issue 2 , June 2014 , pp. 118 - 122
Copyright
Copyright © International Centre for Diffraction Data 2014 

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