Polycrystalline lead selenide: the resurgence of an old infrared detector

• Autorzy: Vergara G. , Montojo M. T. , Torquemada M. C. , Rodrigo M. T. , Sanchez F. J. , Gómez L. J. , Almazan R. M. , Verdu M. , Rodriguez P. , Villamayor V. , Alvarez M. , Diezhandino J. , Plaza J. , Catalan I.
• Języki publikacji: EN

Abstrakty

EN

The existing technology for uncooled MWIR photon detectors based on polycrystalline lead salts is stigmatized for being a 50-year-old technology. It has been traditionally relegated to single-element detectors and relatively small linear arrays due to the limitations imposed by its standard manufacture process based on a chemical bath deposition technique (CBD) developed more than 40 years ago. Recently, an innovative method for processing detectors, based on a vapour phase deposition (VPD) technique, has allowed manufacturing the first 2D array of polycrystalline PbSe with good electro optical characteristics. The new method of processing PbSe is an all silicon technology and it is compatible with standard CMOS circuitry. In addition to its affordability, VPD PbSe constitutes a perfect candidate to fill the existing gap in the photonic and uncooled IR imaging detectors sensitive to the MWIR photons. The perspectives opened are numerous and very important, converting the old PbSe detector in a serious alternative to others uncooled technologies in the low cost IR detection market. The number of potential applications is huge, some of them with high commercial impact such as personal IR imagers, enhanced vision systems for automotive applications and other not less important in the security/ defence domain such as sensors for active protection systems (APS) or low cost seekers. Despite the fact, unanimously accepted, that uncooled will dominate the majority of the future IR detection applications, today, thermal detectors are the unique plausible alternative. There is plenty of room for photonic uncooled and complementary alternatives are needed. This work allocates polycrystalline PbSe in the current panorama of the uncooled IR detectors, underlining its potentiality in two areas of interest, i.e., very low cost imaging IR detectors and MWIR fast uncooled detectors for security and defence applications. The new method of processing again converts PbSe into an emerging technology.

Słowa kluczowe

EN

uncooled; low cost; infrared sensors; lead selenide

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2007
• Tom: Vol. 15, No. 2
• Strony: 110--117
• Opis fizyczny: Bibliogr. 45 poz., il., wykr.

Twórcy

autor

Vergara G.

autor

Montojo M. T.

autor

Torquemada M. C.

autor

Rodrigo M. T.

autor

Sanchez F. J.

autor

Gómez L. J.

autor

Almazan R. M.

autor

Verdu M.

autor

Rodriguez P.

autor

Villamayor V.

autor

Alvarez M.

autor

Diezhandino J.

autor

Plaza J.

autor

Catalan I.

• Centro de Investigación y Desarrollo de la Armada (CIDA), Arturo Soria 289, 28033 Madrid, Spain,

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