Patent
1987-09-14
1989-01-17
Arnold, Bruce Y.
35016224, G01B 518
Patent
active
047984465
ABSTRACT:
A reflection diffraction grating having a series of transverse minute grooves of progressively varying spacing along a concave surface enables use of such gratings for X-ray or longer wavelength imaging of objects. The variable groove spacing establishes aplanatism or substantially uniform magnification across the optical aperture. The grating may be used, for example, in X-ray microscopes or telescopes of the imaging type and in X-ray microprobes. Increased spatial resolution and field of view may be realized in X-ray imaging.
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Arnold Bruce Y.
Carnahan L. E.
Gaither Roger S.
Hightower Judson R.
The United States of America as represented by the United States
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