Zobrazeno 1 - 10
of 2 225
pro vyhledávání: '"terahertz wave"'
Autor:
Takano Keisuke, Uchiyama Satoko, Nagase Shintaro, Tsuchimoto Yuka, Nakanishi Toshihiro, Nakata Yosuke, Pérez-Urquizo Joel, Madéo Julien, Dani Keshav M., Miyamaru Fumiaki
Publikováno v:
Nanophotonics, Vol 13, Iss 17, Pp 3077-3089 (2024)
In this study, the frequency down-conversion of terahertz waves is analytically and experimentally demonstrated at the temporal boundaries within a GaAs waveguide. The temporal boundary is established by photoexciting the top surface of the waveguide
Externí odkaz:
https://doaj.org/article/3eafc2ff6e504c9ca940821eabd06476
Publikováno v:
Journal of Materiomics, Vol 11, Iss 1, Pp 100904- (2025)
Millimeter-wave and terahertz frequency bands are receiving more and more attention due to their big potentials for widespread applications such as in high-speed communications and high-resolution imaging. Nevertheless, limited by the functional mate
Externí odkaz:
https://doaj.org/article/b7ab7fff3c574a6ba7c3c171689ce69f
Autor:
Suyun Wang, Kazuma Hiramatsu
Publikováno v:
Remote Sensing, Vol 16, Iss 20, p 3819 (2024)
This study investigates terahertz (THz) wave scattering from a simulated lunar regolith surface, with a focus on the Brewster feature, backscattering, and bistatic scattering within the 325 to 500 GHz range. We employed a generalized power-law spectr
Externí odkaz:
https://doaj.org/article/c5b3f5c142d94054927ebd8ff5cdcfe8
Autor:
Chihiro Kobayashi, Tomoya Nishiwaki, Tadao Tanabe, Takahiro Oohashi, Hitoshi Hamasaki, Shuya Hikishima, Akio Tanaka, Koji Arita, Sho Fujii, Daisuke Sato, Takeshi Kidokoro
Publikováno v:
Developments in the Built Environment, Vol 18, Iss , Pp 100423- (2024)
Terahertz (THz) and sub-terahertz (sub-THz) waves are unexplored waves between the infrared and microwave ranges. This range features unique characteristics of both light resolution and electromagnetic wave transmission. Sub-THz waves are part of att
Externí odkaz:
https://doaj.org/article/ce291025d90746e3afccdd40f395d09e
Akademický článek
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Publikováno v:
Energy Reports, Vol 9, Iss , Pp 128-141 (2023)
Among major nondestructive testing technologies (NDT), such as X-ray and ultra-sound, Terahertz (THz) waves present significant transmission rate through most of nonconductive materials without the need of applying couplant while posing zero ionized
Externí odkaz:
https://doaj.org/article/06ef463f20d544fda351c7b06b41a97e
Autor:
Junjie Ding, Yuxuan Tan, Yanyi Wang, Jiao Zhang, Menghui He, Feng Zhao, Li Zhao, Wen Zhou, Yiwei Shi, Min Zhu, Jianjun Yu
Publikováno v:
Digital Communications and Networks, Vol 9, Iss 3, Pp 717-722 (2023)
We successfully demonstrate 32-Gbaud Probabilistically Shaped 4096-ary Quadrature Amplitude Modulation (PS-4096QAM) TeraHertz (THz) signal wired transmission at 325 GHz over the 1-m Hollow-Core Fiber (HCF) in a photon-assisted THz-wave communicati
Externí odkaz:
https://doaj.org/article/8491ec631cd9458082f64639292b5366
Publikováno v:
Results in Physics, Vol 57, Iss , Pp 107334- (2024)
Control over the optical response of graphene metasurfaces enables many promising applications in terahertz devices, including beam filters, polarizers, and absorbers. In this paper, we provide an analytical theory that enables us to use equivalent c
Externí odkaz:
https://doaj.org/article/0e2a394173dc4952b014e81e05d90d6a
Autor:
Sato Kento, Suzuki Takehito
Publikováno v:
Nanophotonics, Vol 12, Iss 13, Pp 2537-2544 (2023)
Metasurfaces substituted for naturally occurring materials make it possible to develop flat optics manipulating terahertz waves. However, the control of unprecedented material properties with metasurfaces frequently produces anisotropic material prop
Externí odkaz:
https://doaj.org/article/1245486fa422455394cadef2f4f5c7be
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 17, Iss 6, Pp 454-466 (2023)
Abstract Different on‐chip antennas in Complementary Metal‐Oxide‐Semiconductor (CMOS) technology for THz detector and source are proposed. Firstly, the size of these antennas is estimated with an equivalent CMOS substrate model. Finally, throug
Externí odkaz:
https://doaj.org/article/9c6b5d175b47493899cda9d9094470a9