8- to 14-um photosensitive device with doped-silicon photosensors for ecological monitoring

Yuri V. Brashevan; Yuri I. Zavadskii; Konstantin A. Zinis; Yuri A. Kuznetsov; Vladimir V. Chernokozhin; Alexey B. Kharin

doi:10.1117/12.284747

11 August 1997 8- to 14-μm photosensitive device with doped-silicon photosensors for ecological monitoring

Yuri V. Brashevan, Yuri I. Zavadskii, Konstantin A. Zinis, Yuri A. Kuznetsov, Vladimir V. Chernokozhin, Alexey B. Kharin

Author Affiliations +

Proceedings Volume 3200, Third Conference on Photonic Systems for Ecological Monitoring; (1997) https://doi.org/10.1117/12.284747
Event: Third Conference on Photonic Systems for Ecological Monitoring, 1996, Prague, Czech Republic

Abstract

Thermoviewer with a hybrid 256-element photosensor (IR CCD) operating in the IR range uses doped silicon with a 0.05 quantum efficiency and compares well with best modern thermoviewers designed around narrow-bandgap semiconductors. An improved IR CCD with quantum efficiency 0.4 - 0.6 has been designed. From the technological points of view IR CCDs for wavelengths from 8 to 14 micrometers based on doped silicon are quite effective due to the relatively low production cost of silicon devices. The future of such photosensors is discussed in terms of ecological monitoring of ground, airborne and spaceborne purposes.

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Yuri V. Brashevan, Yuri I. Zavadskii, Konstantin A. Zinis, Yuri A. Kuznetsov, Vladimir V. Chernokozhin, and Alexey B. Kharin "8- to 14-μm photosensitive device with doped-silicon photosensors for ecological monitoring", Proc. SPIE 3200, Third Conference on Photonic Systems for Ecological Monitoring, (11 August 1997); https://doi.org/10.1117/12.284747

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