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Volumn 13, Issue 16, 2005, Pages 6296-6304

X-ray phase imaging with a grating interferometer

Author keywords

[No Author keywords available]

Indexed keywords

COHERENT LIGHT; DIFFRACTION GRATINGS; INTERFEROMETERS; LIGHT ABSORPTION; LIGHT SOURCES; RADIOGRAPHY; REFRACTIVE INDEX; TOMOGRAPHY; X RAYS;

EID: 24044538888     PISSN: 10944087     EISSN: 10944087     Source Type: Journal    
DOI: 10.1364/OPEX.13.006296     Document Type: Article
Times cited : (1185)

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    • note
    • If the incoming wave is not plane but curved, with a radius of curvature R, the only additional consideration that must be made is that the interference fringe period at a distance z downstream of the grating scales with a factor of M = 1 + z/R..
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    • It is conceivable to measure the derivatives of Φ along both transverse directions x and y instead of only one as described in this paper. This may make phase reconstruction more robust in the presence of phase wrapping. However, it would require a more complicated measurement procedure and, preferably, two-dimensional gratings, which cannot be fabricated with high aspect ratios using the same technology as for the line gratings.
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    • The energy spectrum was obtained by filtering the continuous spectrum from a wiggler source with a combination of absorption foils (Zr 0.1 mm, Si 0.8 mm) and the energy-dependent efficiency of the detector scintillator, a 20-μm-thick yttrium aluminium garnet (YAG) crystal.
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    • α lines in the emission spectrum of a molybdenum target are 0.1 keV apart from each other, at a mean energy of 17.4 keV.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.