X-ray or gamma ray systems or devices – Specific application – Diffraction – reflection – or scattering analysis
Patent
1995-08-11
1997-02-18
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Diffraction, reflection, or scattering analysis
378145, 250353, 359858, G21K 106
Patent
active
056047827
ABSTRACT:
An optical system for x-rays combines at least two spherical or near spherical mirrors for each dimension in grazing incidence orientation to provide the functions of a lens in the x-ray region. To focus x-ray radiation in both the X and the Y dimensions, one of the mirrors focusses the X dimension, a second mirror focusses the Y direction, a third mirror corrects the X dimension by removing comatic aberration and a fourth mirror corrects the Y dimension. Spherical aberration may also be removed for an even better focus. The order of the mirrors is unimportant.
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B. Lai, et al., "A New Undulator Grazing Incidence Monochromator", Nuclear Instruments and Methods in Physics Research, vol. A246 publ. 1986, North-Holland, Amsterdam, pp. 297-302 no month.
K. P. Beuermann, et al., "Properties of transmission grating behind a grazing incidence telescope for cosmic x-ray spectroscopy", Applied Optics, May 1977, vol. 16, No. 5, pp. 1425-1431.
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Bruce David Vernon
Hancock E. C.
Porta David P.
Sirr F. A.
The Regents of the University of Colorado
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