High-Efficiency Thermoelectric Single-Photon Detector Based on Lanthanum and Cerium Hexaborides

被引:5
|
作者
Kuzanyan, A. S. [1 ]
Kuzanyan, A. A. [1 ]
Gurin, V. N. [2 ]
Volkov, M. P. [2 ]
Nikoghosyan, V. R. [1 ]
机构
[1] Natl Acad Sci Armenia, Inst Phys Res, Ashtarak 0203 2, Armenia
[2] Ioffe Inst, St Petersburg 194021, Russia
关键词
THERMAL-CONDUCTIVITY; CRYSTALS; HEAT; CEB6;
D O I
10.1134/S1063782619050130
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A design for a high-efficiency single-photon detector based on lanthanum and cerium hexaborides, which operates from the infrared to ultraviolet spectral ranges, is suggested. The results of computer simulations of heat transfer in the sensitive element of the detector upon the absorption of photons with energies of 0.5-4.13 eV are presented. To attain a high efficiency of the system of photon detection in the wavelength range from near infrared to ultraviolet, lanthanum hexaboride is proposed as the absorber and heat-sink material in the sensitive element. It is shown that a sensitive element of both single- and three-layer design made entirely of hexaborides will possess a gigahertz counting rate and a detection efficiency exceeding 90%.
引用
收藏
页码:682 / 685
页数:4
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