Zobrazeno 1 - 10
of 2 225
pro vyhledávání: '"diffraction limit"'
Autor:
Jia Zhe, Zhou Lingxiao, Li Haoyu, Ni Jielei, Chen Danni, Guo Dongfei, Cao Bo, Liu Gang, Liang Guotao, Zhou Qianwen, Yuan Xiaocong, Ni Yanxiang
Publikováno v:
Nanophotonics, Vol 13, Iss 19, Pp 3647-3661 (2024)
Precisely pinpointing the positions of emitters within the diffraction limit is crucial for quantitative analysis or molecular mechanism investigation in biomedical research but has remained challenging unless exploiting single molecule localization
Externí odkaz:
https://doaj.org/article/dfa07af59e1b497899b916ef031d941e
Akademický článek
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Publikováno v:
Frontiers in Physics, Vol 12 (2024)
Hollow beam is a peculiar structure beam, which has been widely used in various areas. Here, we propose a novel diffraction optical element to generate tunable hollow beams. This element is composed of periodic concentric rings. The phase of each rin
Externí odkaz:
https://doaj.org/article/5eff1068f92d49abb3cd0fb7298edbac
Autor:
Yan Yuxiao
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
Aiming at the demand for a large field of view, extreme temperature difference, and high resolution in various fields, as well as the problems of poor real-time and low portability of traditional photoelectric imaging systems. A distributed photoelec
Externí odkaz:
https://doaj.org/article/eed4e4dce5a64d2d8f065240c037d8cf
Autor:
Xiaoyu Weng, Yu Miao, Yu Chen, Qiang Song, Liwei Liu, Jun He, Changrui Liao, Yiping Wang, Xiumin Gao, Junle Qu, Songlin Zhuang
Publikováno v:
Advanced Photonics Research, Vol 4, Iss 11, Pp n/a-n/a (2023)
Fractional‐order vector vortex beams (VVBs) have recently been demonstrated as new carriers of fractional‐strength optical vortices. However, the inherent mechanism of the new vortex beams, formed by the combination of both unstable states, to pr
Externí odkaz:
https://doaj.org/article/f8118bd20f6e41cb9e41d14e811cc839
Publikováno v:
Advanced Science, Vol 10, Iss 28, Pp n/a-n/a (2023)
Abstract The creation of a sink in a lossless wave‐bearing medium is achieved using complex frequency signals—harmonic excitations that exponentially grow in time. The wave sink, where incident waves are confined to a point, has attracted interes
Externí odkaz:
https://doaj.org/article/9e4f3e6e7312469aa4a7d7a4a504bac6
Sub-wavelength visualization of near-field scattering mode of plasmonic nano-cavity in the far-field
Autor:
Jin Xiao, Ye Shengwei, Cheng Weiqing, Hou Jamie Jiangmin, Jin Wanzhen, Sheng Tianyao, Hou Lianping, Marsh John H., Yu Yefeng, Sun Ming, Ni Bin, Liu Xuefeng, Xiong Jichuan
Publikováno v:
Nanophotonics, Vol 12, Iss 2, Pp 297-305 (2023)
Spatial visualization of mode distribution of light scattering from plasmonic nanostructures is of vital importance for understanding the scattering mechanism and applications based on these plasmonic nanostructures. A long unanswered question in how
Externí odkaz:
https://doaj.org/article/aa025383a6454030ba20799476c75c38
Publikováno v:
Nanophotonics, Vol 11, Iss 21, Pp 4747-4753 (2022)
Optical materials with nearly zero refractive indices have driven emerging applications ranging from geometry-invariant optical tunneling, nonlinear optics, optical cloaking to thermal emission manipulation. In conventional dielectric photonic circui
Externí odkaz:
https://doaj.org/article/ec04fcdb42ad47b3ad01fd4aa07c3fe3
Publikováno v:
Yuanzineng kexue jishu, Vol 56, Iss 9, Pp 1821-1831 (2022)
In the diffraction limit storage ring, the size of the vacuum chamber was greatly reduced compared with the third-generation synchronous light source due to the high-gradient small-aperture magnet, and the impedance of ring is significantly increased
Externí odkaz:
https://doaj.org/article/88d1ac1129db45ada7f28fb19f2f5df0
Publikováno v:
Yuanzineng kexue jishu, Vol 56, Iss 9, Pp 1860-1868 (2022)
The accelerator system of Wuhan Light Source (WHLS), a fourth-generation synchrotron radiation facility, its phase Ⅰ project consists of a low energy storage ring (15 GeV) and a full energy linac injector. Based on hybrid7BA lattice structure
Externí odkaz:
https://doaj.org/article/e5e3e8ecda0a4de88d08866d1f12d366