Multispectral variable magnification glancing incidence x-ray te

Details Multispectral variable magnification glancing incidence x-ray te Multispectral variable magnification glancing incidence x-ray te

1990-06-28

1992-09-08

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Telescope or microscope

378210, G21K 700

Patent

active

051464829

ABSTRACT:
A multispectral variable magnification glancing incidence x-ray telescope capable of broadband, high resolution imaging of solar and stellar x-ray and extreme ultraviolet radiation sources includes a primary optical system which focuses the incoming radiation to a primary focus. Two or more rotatable mirror carriers each providing a different magnification are positioned behind the primary focus at an inclination to the optical axis, each carrier carrying a series of ellipsoidal mirrors each having a concave surface coated with a multilayer (layered synthetic microstructure) coating to reflect a different desired wavelength. The mirrors of both carriers are segments of ellipsoids having a common first focus coincident with the primary focus. A detector such as an x-ray sensitive photographic film is positioned at the second respective focus of each mirror so that each mirror may reflect the image at the first focus to the detector at the second focus. The carriers are selectively rotated to position a selected mirror for receiving radiation from the primary optical system, and at least the first carrier may be withdrawn from the path of the radiation to permit a selected mirror on the second carrier to receive the radiation.

REFERENCES:
patent: 4562583 (1985-12-01), Hoover et al.
patent: 5016265 (1991-05-01), Hoover
"Layered Synthetic Microstructures Properties and Applications in X-Ray astronomy", Underwood, SPIE, vol. 184, 1979, pp. 123-130.

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