Next generation focal plane array for infrared astronomy.

Details Next generation focal plane array for infrared astronomy. Next generation focal plane array for infrared astronomy.

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jphyc...8..141k&link_type=abstract

Journal de Physique Colloque, Vol. 8, No. 3, p. 141 - 145

Astronomy and Astrophysics

Astronomy

Detector Arrays: Infrared Astronomy

Scientific paper

A short wavelength 2048×2048 focal plane array (FPA) with 18 μm pixel pitch is being developed for infrared astronomy. The HAWAII-2 FPA will be a hybrid comprising a HgCdTe-based detector array flip-chip bonded to a CMOS silicon multiplexer through indium interconnects. The first FPAs will have cut-off wavelength of 2.5 μm, but the readout is being designed to service detector cutoff wavelengths beyond 5 μm. The authors also report the latest 1024×1024 FPA results with 2.5 μm HgCdTe detectors on sapphire substrates.

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