Zobrazeno 1 - 10
of 307
pro vyhledávání: '"Toroidal dipole"'
The investigation of an inspired type toroidal dipole flexible metasurfaces at terahertz frequencies
Publikováno v:
Heliyon, Vol 10, Iss 20, Pp e38963- (2024)
We theoretically and experimentally carried out an inspired type of toroidal dipole (TD) metasurfaces, which composed of a metamolecule of symmetric aluminium semicircles with a bar in the middle fabricated on polyimide substrate in the terahertz (TH
Externí odkaz:
https://doaj.org/article/ab1369c756604800aabd87e80289a59c
Autor:
Ning Mu, Chiben Zhang, Chuanyan Yang, Kang Ma, Ying Lai, Yu Chen, Peng Chen, Hui Yang, Yue Zhao, Fei Li, Xiuwu Bian, Weiren Zhu, Hua Feng, Tunan Chen
Publikováno v:
Materials & Design, Vol 246, Iss , Pp 113294- (2024)
Rapid and precise identification of glioma subtypes can assist surgeons in quickly determining patients’ conditions and developing treatment plans. However, current methods face challenges such as high cost and limited sensitivity, thereby signific
Externí odkaz:
https://doaj.org/article/7715eaf285554890a9e534eda16b09c5
Publikováno v:
Nanophotonics, Vol 13, Iss 9, Pp 1561-1568 (2024)
The significance of bound states in the continuum (BICs) lies in their potential for theoretically infinite quality factors. However, their actual quality factors are limited by imperfections in fabrication, which lead to coupling with the radiation
Externí odkaz:
https://doaj.org/article/df4112f60dbc46ada0c4b627abe580af
Autor:
Satoru Hayami
Publikováno v:
Nanomaterials, Vol 14, Iss 21, p 1729 (2024)
The magnetic toroidal dipole moment, which is induced by a vortex-type spin texture, manifests itself in parity-breaking physical phenomena, such as a linear magnetoelectric effect and nonreciprocal transport. We elucidate that a staggered alignment
Externí odkaz:
https://doaj.org/article/1b80edc7752146168500616836ed3e27
Autor:
Guangdong Wang, Zhanghua Han
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 14, Iss 1, Pp 674-682 (2023)
Light can exert radiation pressure on any object it encounters, and the resulting optical force can be used to manipulate particles at the micro- or nanoscale. In this work, we present a detailed comparison through numerical simulations of the optica
Externí odkaz:
https://doaj.org/article/907bae7ea27442f79a4bf0be8682dde1
Autor:
Jingjing Zhao, Xinye Fan, Wenjing Fang, Wenxing Xiao, Fangxin Sun, Chuanchuan Li, Xin Wei, Jifang Tao, Yanling Wang, Santosh Kumar
Publikováno v:
Sensors, Vol 24, Iss 12, p 3943 (2024)
This article shows an all-dielectric metasurface consisting of “H”-shaped silicon disks with tilted splitting gaps, which can detect the temperature and refractive index (RI). By introducing asymmetry parameters that excite the quasi-BIC, there a
Externí odkaz:
https://doaj.org/article/b6f7ed9a9c7648e9ab6e543c29a90242
Autor:
Liu Wencan, Zhou Xinwei, Zou Shucai, Hu Zhengguang, Shen Yun, Cai Mengqiang, Lin Dongdong, Zhou Jia, Deng Xiaohua, Guo Tianjing, Lei Jiangtao
Publikováno v:
Nanophotonics, Vol 12, Iss 6, Pp 1177-1187 (2023)
Terahertz (THz) metamaterial sensor is a newly-developing interdisciplinary technology, which combines the essential characteristics of THz spectroscopy and metamaterials, to obtain better sensitivity for trace detection of the different target analy
Externí odkaz:
https://doaj.org/article/3f812ba00c8f490585f890fbdd12a1d6
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 2, Pp 1-7 (2023)
In recent years, the toroidal dipoles have had a profound impact on several fields including electromagnetism. However, the on-demand design of toroidal metasurfaces is still a very time-consuming process. In this paper, a method of neural network si
Externí odkaz:
https://doaj.org/article/bc3e44ebf8c44115a8371a3912cdcd9e
Publikováno v:
Photonic Sensors, Vol 13, Iss 2, Pp 1-10 (2022)
Abstract High-quality-factor (high-Q-factor) electromagnetic resonance plays an important role in sensor applications. Previously proposed gas refractive index sensors are often limited by the large cavity length or microscale fabrication process in
Externí odkaz:
https://doaj.org/article/c5c69812372948f7b7774842f7942a00
Autor:
Hong Luo, Xiang Fang, Chengfeng Li, Xinhua Dai, Ning Ru, Minmin You, Tao He, Pin Chieh Wu, Zhanshan Wang, Yuzhi Shi, Xinbin Cheng
Publikováno v:
Small Science, Vol 3, Iss 9, Pp n/a-n/a (2023)
Sorting nanoparticles is of paramount importance in numerous physical, chemical, and biomedical applications. Current technologies for sorting dielectric nanoparticles have a common size limit and resolution approximately of 20 and 10 nm, respectivel
Externí odkaz:
https://doaj.org/article/7b889b6ffb734ea3acfaed3332017d22