Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995spie.2475...50l&link_type=abstract
Proc. SPIE Vol. 2475, p. 50-55, Infrared Detectors and Instrumentation for Astronomy, Albert M. Fowler; Ed.
Astronomy and Astrophysics
Astronomy
3
Scientific paper
New gallium-doped silicon 128 X 192 element arrays have been achieved at CEA-LETI- LIR (Infrared Laboratory) for imaging in the 8 - 14 micrometers spectral range. This program is in keeping with the previous detector developments for the ISOCAM camera (32 X 32 element arrays) and for ground-based observations (64 X 64 element arrays). The main features of the new detectors are: a pitch of 75 micrometers which leads to 10 X 15 mm(superscript 2) chip dimensions, two selectable storage capacities (respectively 0.1 and 0.5 pF), a DVR readout circuit achieved in an NMOS silicon line with 1.5 micrometers design rules. The main electro-optical performances are the following: a peak responsivity of 4.0 A/W, a noise of 58 fArms over the 0.1 - 128 Hz spectral band which is very close to the BLIP noise, and a corresponding noise equivalent power of 1.4 10(superscript -14) W.
Bischoff Isabelle
Chammings Gilles
Galdemard Philippe
Jouan Rene
Lagage Pierre Olivier
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