Zobrazeno 1 - 10
of 253
pro vyhledávání: '"terahertz range"'
Autor:
Oleg Kameshkov, Vasily Gerasimov
Publikováno v:
Photonics, Vol 11, Iss 6, p 529 (2024)
Metasurfaces are an excellent platform for terahertz (THz) sensing applications, enabling highly efficient light–matter interaction and overcoming the fundamental disadvantage of the relatively long-wavelength THz range (30–3000 μm), which limit
Externí odkaz:
https://doaj.org/article/64d44d4118e442678d5fad9ab883c13e
Autor:
Yuri P. Soldatov, Maksim V. Stogov, Semen V. Shen, Yakov B. Beikin, Evgeny N. Ovchinnikov, Stanislav Yu. Lukin, Natalya V. Tushina
Publikováno v:
Гений oртопедии, Vol 29, Iss 3, Pp 293-298 (2023)
Introduction Improving the results of treatment and rehabilitation is essential for polytrauma patients. The aim of the study was to prove the effectiveness of terahertz electromagnetic waves (TEW) in polytrauma patients early after traumatic event
Externí odkaz:
https://doaj.org/article/65bf629c1f434c7ca01e291c5c582021
Autor:
Galina S. Makeeva
Publikováno v:
Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 4 (2023)
The relevance of the study is due to the need to mastering the terahertz (THz) range to increase the volume of transmitted information and is dictated by the needs of the developing technology of THz frequencies in the development of electronically c
Externí odkaz:
https://doaj.org/article/6c6c0b262eb6400099902e67d2f70ce7
Publikováno v:
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, Vol 22, Iss 1, Pp 184-195 (2023)
Abstract In this paper, we present a spectral analysis of a Surface Plasmon Resonance (SPR) sensor based on multilayer graphene (MLG) operating as a terahertz refractometer. This device's structure is based on Kretschmann configuration, and the graph
Externí odkaz:
https://doaj.org/article/781d2c75ba8041f688b7ebf05d14c034
Autor:
Yuri Balega, Oleg Bolshakov, Aleksandr Chernikov, Aleksandra Gunbina, Valerian Edelman, Mariya Efimova, Aleksandr Eliseev, Artem Krasilnikov, Igor Lapkin, Ilya Lesnov, Mariya Mansfeld, Mariya Markina, Evgenii Pevzner, Sergey Shitov, Andrey Smirnov, Mickhail Tarasov, Nickolay Tyatushkin, Anton Vdovin, Vyacheslav Vdovin
Publikováno v:
Photonics, Vol 11, Iss 3, p 257 (2024)
The article presents a brief review of cooling systems that ensure various temperature levels (from 0.1 K to 230 K) for radio astronomical receivers of photonic and electronic (or optical and radio) devices. The features of various cooling levels and
Externí odkaz:
https://doaj.org/article/a4ff202c2d614c91a3c70727416d0db6
Autor:
I. P. Storozhenko, S. I. Sanin
Publikováno v:
Radio Physics and Radio Astronomy, Vol 27, Iss 4, Pp 289-298 (2022)
Subject and Purpose. The InN Gunn diode is known as the device capable of generating powerful oscillations atfrequencies above 300 GHz. A possible way for increasing both the microwave power and the cutoff frequency of the Gunn diode is to employ gra
Externí odkaz:
https://doaj.org/article/f24f071e1c48449496a2d1ef638635ac
Publikováno v:
Российский технологический журнал, Vol 10, Iss 3, Pp 45-55 (2022)
Objectives. Terahertz quantum-cascade lasers (THz QCLs) are compact solid-state lasers pumped by electrical injection to generate radiation in the range from 1.2 to 5.4 THz. The THz QCL operating frequency band contains absorption lines for a number
Externí odkaz:
https://doaj.org/article/e26ee82433924e8d9288a3bd7a5dccdd
Publikováno v:
Light: Advanced Manufacturing, Vol 3, Pp 1-17 (2022)
This paper presents the results of 15 years of studies in the field of terahertz holography at the Novosibirsk free electron laser. They cover two areas: research on obtaining holographic images in the terahertz range and the use of diffractive optic
Externí odkaz:
https://doaj.org/article/6257d37ab93c4bd798c21dfca8834a2c
Autor:
Yurii Balega, Oleg Bolshakov, Aleksandr Chernikov, Valerian Edelman, Aleksandr Eliseev, Eduard Emelyanov, Aleksandra Gunbina, Artem Krasilnikov, Ilya Lesnov, Mariya Mansfeld, Sergey Markelov, Mariya Markina, Guram Mitiani, Evgenii Pevzner, Nickolay Tyatushkin, Gennady Valyavin, Anton Vdovin, Vyacheslav Vdovin
Publikováno v:
Photonics, Vol 10, Iss 11, p 1263 (2023)
This article presents the main results and new plans for the development of receivers which are cooled cryogenically to deep cryogenic temperatures and used in optical and radio astronomy research at the Special Astrophysical Observatory of the Russi
Externí odkaz:
https://doaj.org/article/6ece885abae144ab88a20f1a8e487547