Simultaneous dual-energy X-ray stereo imaging.
J Synchrotron Radiat
; 22(4): 1078-82, 2015 Jul.
Article
em En
| MEDLINE
| ID: mdl-26134814
ABSTRACT
Dual-energy or K-edge imaging is used to enhance contrast between two or more materials in an object and is routinely realised by acquiring two separate X-ray images each at different X-ray wavelength. On a broadband synchrotron source an imaging system to acquire the two images simultaneously was realised. The single-shot approach allows dual-energy and stereo imaging to be applied to dynamic systems. Using a Laue-Bragg crystal splitting scheme, the X-ray beam was split into two and the two beam branches could be easily tuned to either the same or to two different wavelengths. Due to the crystals' mutual position, the two beam branches intercept each other under a non-zero angle and create a stereoscopic setup.
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MEDLINE
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En
Ano de publicação:
2015
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Article