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Proceedings Paper

Development of an infrared high-sensitivity radiometer
Author(s): Yury A. Abrahamyan; Zaven N. Adamyan; Vladimir M. Aroutiounian; Ferdinand V. Gasparyan; Stepan G. Martirosyan
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Paper Abstract

In this paper we present an IR-radiometer circuit that allows to carry out measurements of week photoelectric signals on considerably lower level of the inherent noise than known IR- detector systems for (delta) equals 4.5 - 5; 8 - 13 micrometers ((mu) ) atmospheric windows. Contrary to similar developments, here additional circuit solutions suggested to decrease preamplifier noise, for the amplitude stabilization of photosensitive bridge feeding pulses to correct basic and useful signals phases as well as to improve characteristics of the synchronous detector.

Paper Details

Date Published: 6 December 1999
PDF: 6 pages
Proc. SPIE 3759, Infrared Spaceborne Remote Sensing VII, (6 December 1999); doi: 10.1117/12.372688
Show Author Affiliations
Yury A. Abrahamyan, Institute of Radiophysics and Electronics (Armenia)
Zaven N. Adamyan, Yerevan State Univ. (Armenia)
Vladimir M. Aroutiounian, Yerevan State Univ. (Armenia)
Ferdinand V. Gasparyan, Yerevan State Univ. (Armenia)
Stepan G. Martirosyan, Institute of Radiophysics and Electronics (Armenia)

Published in SPIE Proceedings Vol. 3759:
Infrared Spaceborne Remote Sensing VII
Marija Strojnik; Bjorn F. Andresen, Editor(s)

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