Radiation entrance windows for CCD-detectors

Details Radiation entrance windows for CCD-detectors Radiation entrance windows for CCD-detectors

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992spie.1743..192s&link_type=abstract

In: EUV, X-ray, and gamma-ray instrumentation for astronomy III; Proceedings of the Meeting, San Diego, CA, July 22-24, 1992 (A9

Astronomy and Astrophysics

Astronomy

Charge Coupled Devices, Satellite-Borne Instruments, Windows (Apertures), X Ray Detectors, X Ray Imagery, X Ray Spectroscopy, Environmental Tests, Filters, Optical Properties, Thermal Stresses, Transmittance, Vibration Tests

Scientific paper

A prototype spectral filter was developed to be used as a radiation entrance window for a satellite borne CCD X-ray imaging detector, which is presently under development within the EOBB (Electro-Optical-Breadboard) phase of ESA's X-ray Multimirror Mission project. CCDs have a broad spectral response ranging from the X-ray to the NIR range. For X-ray observations, the filter being located in front of the detector must suppress the radiation of visible and UV stars by more than 6 orders of magnitude, and be highly transparent at energies above 0.1 keV. The technique to manufacture the windows and the measurements of the spectral transmittance as well as the environmental testing is described. Performance data are given.

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