X-ray interferometers

Details X-ray interferometers X-ray interferometers

1977-07-05

1979-11-13

Smith, Alfred E.

Radiant energy

Coded record and readers; invisible radiant energy type

250272, 250277R, G01N 2320, G21K 100

Patent

active

041744780

ABSTRACT:
An X-ray interferometer comprises a plane film of material of low X-ray absorption coefficient, a first surface facing one side of the film, and a second surface facing the other side of the film and substantially opposite the first surface, the first and second surfaces being of high X-ray absorption coefficient and being relatively inclined at a small angle, arranged so that when a beam of X-rays is incident on the film at a glancing angle in the plane in which the small angle of relative inclination lies, a first part of the incident beam is, in sequence, transmitted by the film, reflected by the first surface, and reflected by the film as a first partial beam, and a second part of the incident beam is, in sequence, reflected by the film, reflected by the second surface, and transmitted by the film as a second partial beam which intersects the first partial beam.

REFERENCES:
patent: 3446961 (1969-05-01), Bonse et al.
Becker et al., "The Skew-Symmetric Two-Crystal X-ray Interferometer," J. Appl. Cryst., (1974) 7, pp. 593-598.

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