Performance results of the STIS flight MAMA detectors

Details Performance results of the STIS flight MAMA detectors Performance results of the STIS flight MAMA detectors

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995spie.2551..248j&link_type=abstract

Proc. SPIE Vol. 2551, p. 248-259, Photoelectronic Detectors, Cameras, and Systems, C. Bruce Johnson; Ervin J. Fenyves; Eds.

Computer Science

Performance

3

Scientific paper

The Space Telescope Imaging Spectrograph (STIS), a next-generation instrument for the Hubble Space Telescope, has begun the fabrication of the flight units (plus spares) of the multi-anode microchannel array (MAMA) detectors. STIS will fly two MAMA detectors, one with a CsI photocathode covering the short-wavelength (1150-1750 angstrom) band and a second with Cs(subscript 2)Te covering the 1650-3100 angstrom band. Good tube yields continue to be realized with many of the MAMAs exceeding flight specifications by substantial amounts in key parameters. Evnironmental testing on the earlier engineering model units (EMUs) demonstrate the ruggedness of the tube design. We present performance results of the STIS flight MAMAs which have been fabricated to date. Life and other engineering tests on EMU detectors will be presented as well.

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