Continuous focal plane array for detection of terahertz radiation

Aleksei Artamkin; Andrei Nikorici; Ludmila Ryabova; Valery Shklover; Dmitry Khokhlov

doi:10.1117/12.680763

7 September 2006 Continuous focal plane array for detection of terahertz radiation

Aleksei Artamkin, Andrei Nikorici, Ludmila Ryabova, Valery Shklover, Dmitry Khokhlov

Proceedings Volume 6297, Infrared Spaceborne Remote Sensing XIV; 62970B (2006) https://doi.org/10.1117/12.680763
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Doping of the lead telluride and related alloys with the group III impurities results in appearance of unique physical features of a material, such as persistent photoresponse, enhanced responsive quantum efficiency (up to 100 photoelectrons/incident photon), radiation hardness and many others. As a result, single photodetectors based on Pb_1-xSn_xTe(In) demonstrate extremely high performance in the Terahertz wavelength range. Furthermore, it is shown that local long-lived non-equilibrium states are generated in Pb_1-xSn_xTe(In) alloys at low temperatures under the action of local Terahertz excitation. This result opens a possibility for construction of a "continuous" focal-plane array for detection of Terahertz radiation. Ideas for readout of information from this array are discussed.

Citation Download Citation

Aleksei Artamkin, Andrei Nikorici, Ludmila Ryabova, Valery Shklover, and Dmitry Khokhlov "Continuous focal plane array for detection of terahertz radiation", Proc. SPIE 6297, Infrared Spaceborne Remote Sensing XIV, 62970B (7 September 2006); https://doi.org/10.1117/12.680763

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