TY  - JOUR
A1  - Leitenberger, Wolfram
A1  - Wendrock, Horst
A1  - Bischoff, Lothar
A1  - Weitkamp, Timm
T1  - Pinhole interferometry with coherent hard X-rays
N2  - This paper discusses the experimental realisation of two types of X-ray interferometer based on pinhole diffraction. In both interferometers the beam splitter was a thin metal foil containing micrometer pinholes to divide the incident X-ray wave into two coherent waves. The interference pattern was studied using an energy-dispersive detector to simultaneously investigate in a large spectral range the diffraction properties of the white synchrotron radiation. For a highly absorbing pinhole mask the interference fringes from the classical Young's double-pinhole experiment were recorded and the degree of coherence of X-rays could be determined. In the case of low absorption of the metal foil at higher X-ray energies (> 15 keV) the interference pattern of a point diffraction interferometer was observed using the same set-up. The spectral refraction index of the metal foil was determined
Y1  - 2004
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/15221
ER  -