New 8-13 micrometer Si:Ga/DRO hybrid arrays for very large telescopes

Details New 8-13 micrometer Si:Ga/DRO hybrid arrays for very large telescopes New 8-13 micrometer Si:Ga/DRO hybrid arrays for very large telescopes

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994exa.....3..273l&link_type=abstract

Experimental Astronomy, vol. 3, no. 1-4, p. 273-276

Astronomy and Astrophysics

Astronomy

Arrays, Cameras, Infrared Detectors, Infrared Telescopes, Infrared Astronomy, Photoconductors, Readout

Scientific paper

Since 1984, the CEA-LETI,LIR (Infrared Laboratory) has been involved in development of Si:Ga/direct readout (DRO) hybrid detector arrays dedicated to imaging of astronomical sources in the 8-13 micrometer range. Successively, 32x32 element arrays were successfully manufactured for the Infrared Space Observatory Camera (ISOCAM) camera and 64x64 arrays were fabricated for gound-based imaging. The latter detectors have been integrated in 3 cameras (C10-micrometer, CAMIRAS and TIMMI for the European Southern Observatory (ESO) and have led to excellent astrophysical results since 1990. To equip instruments to be mounted on very large telescopes such as the European Very Large Telescope (VLT) at ESO, manufacture of new arrays has been undertaken and is currenly under way at CEA-LETI-LIR. These new arrays will have a 128x192 format and will present the outstanding essential feature that their storage capacity will be able to be changed according to observation conditions (2 capacities will be implemented in the pixel). The main characteristics of these new detectors will be presented in this paper.

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