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Direct observations of plane wave and spherical wave Pendellösung fringes
Author(s) -
Hart M.,
Milne A. D.
Publication year - 1968
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19680260118
Subject(s) - optics , wedge (geometry) , plane wave , spherical wave , bragg's law , reflection (computer programming) , physics , plane (geometry) , silicon , geometry , diffraction , mathematics , optoelectronics , computer science , programming language
Abstract By using successive Bragg reflections in a monolithic block of effectively perfect silicon, both plane wave (Ewald type) and spherical wave (Kato type) Pendellösung fringes have been obtained in the same wedge‐shaped crystal. In agreement with the theories, the fringe spacings are the same only at the centre of Bragg reflection and the fringe positions are different in the two cases.