Preliminary results from the MAMA detectors for the SOHO mission

Details Preliminary results from the MAMA detectors for the SOHO mission Preliminary results from the MAMA detectors for the SOHO mission

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993spie.1764...83s&link_type=abstract

In: Ultraviolet technology IV; Proceedings of the Meeting, San Diego, CA, July 20, 21, 1992 (A93-34426 13-35), p. 83-93.

Astronomy and Astrophysics

Astronomy

Multi-Anode Microchannel Arrays, Soho Mission, Spaceborne Astronomy, Ultraviolet Astronomy, Ultraviolet Detectors, Ultraviolet Spectrometers, Application Specific Integrated Circuits, Coronagraphs, Extreme Ultraviolet Radiation

Scientific paper

Multi-Anode Microchannel Array (MAMA) detector systems are being fabricated and tested for use in the Solar Ultraviolet Measurements of Emitted Radiation (SUMER) and the Ultraviolet Coronagraph Spectrometer (UVCS) instruments on the ESA/NASA Solar and Heliospheric Observatory (SOHO) mission. The SOHO MAMA detector systems have formats of 360 x 1024 pixels and pixel dimensions of 25 x 25 sq microns and are optimized for operation at Extreme Ultraviolet (EUV) wavelengths between 40 and 160 nm. In this paper we report on the initial results of measurements of the performance characteristics of the first flight-configuration detector system employing the new custom Application Specific Integrated Circuits (ASICs) which are designed to improve both the dynamic range and the uniformity of response. The performance characteristics of this detector system are compared with those of earlier breadboard systems employing discrete-component electronics circuits.

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