Improvement of a Terahertz Detector Performance Using the Terajet Effect in a Mesoscale Dielectric Cube: Proof of Concept; Physica Status Solidi RRL; Vol. 14, iss. 5

Improvement of a Terahertz Detector Performance Using the Terajet Effect in a Mesoscale Dielectric Cube: Proof of Concept; Physica Status Solidi RRL; Vol. 14, iss. 5

Detalhes bibliográficos
Parent link:	Physica Status Solidi RRL Vol. 14, iss. 5.— 2020.— [1900700, 5 p.]
Autor Corporativo:	Национальный исследовательский Томский политехнический университет Инженерная школа неразрушающего контроля и безопасности Отделение электронной инженерии
Outros Autores:	Minin I. V. Igor Vladilenovich, Minin O. V. Oleg Vladilenovich, Delgado-Notario J. A., Calvo-Gallego J., Velazquez-Perez J. E., Ferrando-Bataller M., Meziani Y. M.
Resumo:	Title screen Herein, a simple terahertz (THz) receiver that uses subwavelength focusing of the THz beam on the detector area is proposed. As a proof of concept, a THz detection system with an original optical coupling scheme is implemented, where the signal to be detected is coupled to a THz detector through a mesoscale dielectric particle lens. Coherent detection is successfully demonstrated with an enhancement of the detector sensitivity of about 4.3?dB, compared with that of a direct detection system with the slight decreasing (1.67 times) of noise equivalent power value. The results show that the proposed method can reduce the size and increase the sensitivity of various THz systems, including imaging, sensing, and ranging, which would enable significant progress in different fields such as physics, medicine, biology, astronomy, security, etc.
Idioma:	inglês
Publicado em:	2020
Assuntos:	электронный ресурс труды учёных ТПУ detector sensitivity dielectric cube gain enhancement terahertz detectors terajet effect чувствительность детекторы диэлектрические детали усиление терагерцовое излучение
Acesso em linha:	https://doi.org/10.1002/pssr.201900700
Formato:	MixedMaterials Recurso Electrónico Capítulo de Livro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662119

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