Simultaneous optical and X-ray imaging telescopes

Details Simultaneous optical and X-ray imaging telescopes Simultaneous optical and X-ray imaging telescopes

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apopt..16.2039h&link_type=abstract

Applied Optics, vol. 16, Aug. 1977, p. 2039, 2040. USAF-sponsored research.

Astronomy and Astrophysics

Astronomy

Optical Reflection, Parabolic Reflectors, Surface Geometry, X Ray Telescopes, Collimators, Hyperbolas, Radiation Detectors, Radiation Shielding, X Ray Astronomy

Scientific paper

Addition of a paraboloid-hyperboloid telescope element capable of simultaneous imaging and detection in the X-ray and visible spectra to X-ray imaging telescope arrangements is described. X-radiation incident axially on the paraboloid is reflected onto the hyperboloid and thence onto an imaging detector. The reflection from the hyperboloid corrects for coma, and a diaphragm shields the X-ray detector from radiation that does not impinge on the collimating paraboloid. Advantages of the nested arrangement, and some disadvantages (slight degradation of X-ray and optical sensitivities), are indicated.

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