Aplanatic and quasi-aplanatic diffraction gratings
Patent
·
OSTI ID:6771068
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 magnetification across the optical aperture. The grating may be sued, for example, in x-ray microscopes or telescopes of the imaging type and in x-ray microprobed. Increased spatial resolution and field of view may be realized in x-ray imaging. 5 figs.
- Research Organization:
- Lawrence Berkeley Lab., CA (USA)
- DOE Contract Number:
- AC03-76SF00098
- Assignee:
- LBNL; EDB-88-179309
- Patent Number(s):
- PATENTS-US-A6095715
- OSTI ID:
- 6771068
- Country of Publication:
- United States
- Language:
- English
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