Multi-element receiver with semimetal film sensing element for the submillimeter thermal imagers of viewing type
https://doi.org/10.32362/2500-316X-2019-7-4-122-133
Abstract
Prospects of developing multi-element receivers for the submillimeter range (SMM) on the basis of thin-film semimetallic sensitive bolometers are considered. Electromagnetic waves of the SMM band have a high penetrating power and allow developing a thermal imager for the detection and observation of objects through various materials: fabrics, cardboard, wood, etc. The previously obtained research results are summarized. On the basis of the theoretical and experimental studies and of a review of scientific, technical and patent literature, in this work, a thermoresistive converter based on single-crystal films of materials in the metal – narrow-bandgap semiconductor – dielectric transition state is selected as a sensitive element. To determine the possibilities of using thinfilm Bi and Bi–Sb system as an absorber of terahertz radiation, as well as a polyimide film as an absorption-enhancing antireflection coating, the transmission spectra and reflection spectra of single-crystal Bi films grown on a 12 μm thick polyimide substrate were measured. The measurements were performed on a setup using selective radiation reception at cyclotron resonance absorption in InSb, which records the thermal radiation of material samples in the range from 1 to 5 THz with a spectral resolution of 0.6 THz. The design and characteristics of the model receiver are presented. The experimental setup was performed using a terahertz gas-discharge laser. The NEP of the proposed receiver is ~(4 ÷ 6)∙10–11 W/Hz1/2.
About the Authors
Mikhail A. Kik
Lomonosov Moscow State University
Russian Federation
Russian Federation
Mikhail A. Kik, Senior Researcher, Chair of Quantum Electronics, Physics Faculty
119991, Russia, Moscow, Russia, Leninskie gory
Genrikh D. Bogomolov
P.L. Kapitza Institute for Physical Problems, Russian Academy of Sciences
Russian Federation
Russian Federation
Genrikh D. Bogomolov, Senior Researcher, Cand. of Sci. (Phys.-Math.)
2, ul. Kosygina, Moscow 119334, Russia
Aleksandr S. Sigov
MIREA – Russian Technological University
Russian Federation
Russian Federation
Aleksandr S. Sigov, Academician, Dr. of Sci. (Phys.-Math.), President of the MIREA, Scopus Author ID 35557510600, ResearcherID L-4103-2017
78, Vernadskogo pr., Moscow 119454, Russia
Anatoly A. Shilyaev
MIREA – Russian Technological University;
N.N. Semenov Institute of Chemical Physics, Russian Academy of Sciences
Russian Federation
Russian Federation
Anatoly A. Shilyaev, Cand. of Sci. (Phys.-Math.), Leading Researcher; Senior Researcher
78, Vernadskogo pr., Moscow 119454, Russia;
4, ul. Kosygina, Moscow 119991, Russia
Vitaly V. Zavyalov
P.L. Kapitza Institute for Physical Problems, Russian Academy of Sciences;
National Research University Higher School of Economics
Russian Federation
Russian Federation
Vitaly V. Zavyalov, Cand. of Sci. (Phys.-Math.), Senior Researcher
2, ul. Kosygina, Moscow 119334, Russia
20, Myasnitskaya ul., Moscow 101000, Russia
Sergey S. Verbitsky
N.N. Semenov Institute of Chemical Physics, Russian Academy of Sciences
Russian Federation
Russian Federation
Sergey S. Verbitsky, Cand. of Sci. (Phys.-Math.), Senior Researcher
4, ul. Kosygina, Moscow 119991, Russia
Aleksey N. Tselebrovsky
N.N. Semenov Institute of Chemical Physics, Russian Academy of Sciences
Russian Federation
Russian Federation
Aleksey N. Tselebrovsky, Cand. of Sci. (Phys.-Math.) Senior Researcher
4, ul. Kosygina, Moscow 119991, Russia
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1. Fig. 1. Installation for measuring the volt-ampere characteristics and resistance of samples in the 1.4 - 400 K temperature range | |
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For citations:
Kik M.A., Bogomolov G.D., Sigov A.S., Shilyaev A.A., Zavyalov V.V., Verbitsky S.S., Tselebrovsky A.N. Multi-element receiver with semimetal film sensing element for the submillimeter thermal imagers of viewing type. Russian Technological Journal. 2019;7(6):122-133. (In Russ.) https://doi.org/10.32362/2500-316X-2019-7-4-122-133
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