Results 41 to 50 of about 54,131 (291)

TERAHERTZ OSCILLATIONS IN InN GUNN DIODES WITH AN ACTIVE REGION LENGTH OF 1 μm AND WITH A GRADED GaInN LAYER [PDF]

Radio Physics and Radio Astronomy, 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 graded ...
I. P. Storozhenko, S. I. Sanin
doaj   +1 more source

Terahertz time-domain spectroscopy of edible oils. [PDF]

, 2017
Chemical degradation of edible oils has been studied using conventional spectroscopic methods spanning the spectrum from ultraviolet to mid-IR. However, the possibility of morphological changes of oil molecules that can be detected at terahertz ...
Abbott, Derek, Dinovitser, Alex, Valchev, Dimitar G.   +2 more
core   +2 more sources

Cryogenic Systems for Astronomical Research in the Special Astrophysical Observatory of the Russian Academy of Sciences

Photonics, 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 Russian ...
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   +17 more
doaj   +1 more source

Employment of gradient metal-film output mirrors in terahertz discharge lasers [PDF]

Радиофизика и электроника, 2021
Subject and Purpose. The problem of output beam matching with the waveguide transmission line often arises when using terahertz lasers. The special quasi-optical devices that are used to combat the problem lead to radiation losses and additional material
M.I. Dzyubenko, S.O. Masalov, Y.E. Kamenev, I.V. Kolenov, V.P. Radionov, N.F. Dakhov, А.I. Puzak, O.I. Dmitruk   +7 more
doaj   +1 more source

Toward End-to-End, Full-Stack 6G Terahertz Networks

, 2020
Recent evolutions in semiconductors have brought the terahertz band in the spotlight as an enabler for terabit-per-second communications in 6G networks.
Jornet, Josep, Melodia, Tommaso, Polese, Michele, Zorzi, Michele   +3 more
core   +1 more source

Detection of incoherent broadband terahertz light using antenna-coupled high-electron-mobility field-effect transistors

, 2017
The sensitivity of direct terahertz detectors based on self-mixing of terahertz electromagnetic wave in field-effect transistors is being improved with noise-equivalent power close to that of Schottky-barrier-diode detectors.
Li, Xiang(李想), Li, Xingxin, Luo, Muchang, Qin, Hua(秦华), Sun, Jiandong(孙建东), Sun, Yunfei(孙云飞), Yu, Yao, Zhang, Zhipeng(张志鹏), 孙建东, 秦华   +9 more
core   +1 more source

Characterization of deep impurities in semiconductors by terahertz tunneling ionization [PDF]

, 2000
Tunneling ionization in high frequency fields as well as in static fields is suggested as a method for the characterization of deep impurities in semiconductors.
Abakumov V. N., E. Ziemann, Ganichev S. D., Ganichev S. D., I. N. Yassievich, Karpus V., Karpus V., Merkulov I. A., Pakhomov A. A., S. D. Ganichev, V. I. Perel, W. Prettl   +11 more
core   +2 more sources

TERAHERTZ CLYNOOROTRON WITH AN AZIMUTHAL COMB [PDF]

Радиофизика и электроника, 2017
The results of theoretical and experimental studies of oro-trons – oscillators of diffraction radiation with spatially developed electrodynamic systems, electromagnetic oscillations in which are excited, as a rule, by nonrelativistic spatially developed ...
V. D. Yeryomka, A. A. Kurayev, V. V. Matveenko, A. K. Sinitsyn   +3 more
doaj   +1 more source

Robust Topological Terahertz Circuits using Semiconductors

, 2016
Topological Insulator-based devices can transport electrons/photons at the surfaces of materials without any back reflections, even in the presence of obstacles.
Bahari, Babak, Kanté, Boubacar, Tellez-Limon, Ricardo   +2 more
core   +1 more source

Extremely large extinction efficiency and field enhancement in terahertz resonant dipole nanoantennas [PDF]

, 2011
The distinctive ability of nanometallic structures to manipulate light at the nanoscale has recently promoted their use for a spectacular set of applications in a wide range of areas of research including artificial optical materials, nano-imaging ...
Al-Naib, Ibraheem A. I., Clerici, Matteo, Das, Gobind, De Angelis, Francesco, Di Fabrizio, Enzo, Falqui, Andrea, Liberale, Carlo, Marras, Sergio, Morandotti, Roberto, Ozaki, Tsuneyuki, Peccianti, Marco, Razzari, Luca, Shalaby, Mostafa, Toma, Andrea, Zaccaria, Remo Proietti   +14 more
core   +1 more source