Multispectral glancing incidence X-ray telescope

Details Multispectral glancing incidence X-ray telescope Multispectral glancing incidence X-ray telescope

1985-08-15

1990-07-10

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Telescope or microscope

378 84, G21K 700

Patent

active

049411632

ABSTRACT:
A multispectral glancing incidence X-ray telescope is illustrated capable of broadband, high-resolution imaging of solar and stellar X-ray and extreme ultraviolet radiation sources which includes a primary optical system preferably of the Wolter I type having a primary mirror system (20, 22). The primary optical system further includes an optical axis (24) having a primary focus (F1) at which the incoming radiation is focused by the primary mirrors. A plurality of ellipsoidal mirrors (30a, 30b, 30cand 30d) are carried at an inclination to the optical axis behind the primary focus (F1). A rotating carrier (32) is provided on which the ellipsoidal mirrors are carried so that a desired one of the ellipsoidal mirrors may be selectively positioned in front of the incoming radiation beam (26). In the preferred embodiment, each of the ellipsoidal mirrors has an identical concave surface carrying a layered synthetic microstructure coating tailored to reflect a desired wavelength of 1.5 .ANG. or longer. Each of the identical ellipsoidal mirrors has a second focus (F2) at which a detector (16) is carried. Thus the different wavelength image is focused upon the detector irregardless of which mirror is positioned in front of the radiation beam. In this manner, a plurality of low wavelengths in a wavelength band generally less than 30 angstroms can be imaged with a high resolution.

REFERENCES:
patent: 3821556 (1974-06-01), Hoover
patent: 4525853 (1985-06-01), Keem et al.
patent: 4562583 (1985-12-01), Hoover et al.

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