A high resolution phosphor screen for XUV detectors

Details A high resolution phosphor screen for XUV detectors A high resolution phosphor screen for XUV detectors

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jphe...21..302s&link_type=abstract

Journal of Physics E - Scientific Instruments (ISSN 0022-3735), vol. 21, March 1988, p. 302-306. USAF-NSF-supported research.

Astronomy and Astrophysics

Astronomy

5

High Resolution, Image Processing, Phosphorus, Ultraviolet Detectors, X Ray Imagery, X Ray Telescopes, Pixels, Quantum Efficiency, Rocket-Borne Instruments, X Ray Astronomy

Scientific paper

The paper presents an XUV detector with a spatial resolution of about 6 microns designed to fly on the normal incidence X-ray telescope (NIXT) rocket package. The telescope is a 254 mm diameter Ritchey-Chretien system which relies on unusually high accuracy multilayer coatings to image active regions on the sun. The coatings are reflective in a narrow band centered on a wavelength near 6.3 nm; thus the detector's job is to convert the XUV image into an electronic format which can be stored on tape or relayed to the ground via telemetry. This paper is primarily concerned with how the X-rays are converted into a very high resolution visible light image which can be sensed and read out by the image processing electronics.

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