Zobrazeno 1 - 10
of 2 564
pro vyhledávání: '"Metalens"'
Autor:
Ramna Khalid, Jaekyung Kim, Nasir Mahmood, Humberto Cabrera, Muhammad Qasim Mehmood, Aaron Danner, Muhammad Zubair, Junsuk Rho
Publikováno v:
Advanced Science, Vol 11, Iss 43, Pp n/a-n/a (2024)
Abstract A reconfigurable intelligent surface (RIS), a leading‐edge technology, represents a new paradigm for adaptive control of electromagnetic waves between a source and a user. While RIS technology has proven effective in manipulating radio fre
Externí odkaz:
https://doaj.org/article/0b8b4d6ee7bb48daab249dfda598b8c1
Autor:
Shibin Jiang, Wenjun Deng, Zhanshan Wang, Xinbin Cheng, Din Ping Tsai, Yuzhi Shi, Weiming Zhu
Publikováno v:
Opto-Electronic Science, Vol 3, Iss 10, Pp 1-11 (2024)
Design of multiple-feed lens antennas requires multivariate and multi-objective optimization processes, which can be accelerated by PSO algorithms. However, the PSO algorithm often fails to achieve optimal results with limited computation resources s
Externí odkaz:
https://doaj.org/article/6df93411914a46d39f02b322ddca4ad0
Autor:
Jichao Fu, Mengting Jiang, Zeng Wang, Yi Fan Chen, Yuanda Liu, Qing Yang Steve Wu, Ai Jia Sim, Jiang Wang, Mingxi Chen, Ziyu Wang, Jie Deng, Xiao Song Eric Tang, Kun Huang, Hong Liu, Jinghua Teng
Publikováno v:
Opto-Electronic Science, Vol 3, Iss 10, Pp 1-9 (2024)
Supercritical lens (SCL) can break the diffraction limit in the far field and has been demonstrated for high-resolution scanning confocal imaging. Its capability in sharper focusing and needle-like long focal depth should allow high-resolution lithog
Externí odkaz:
https://doaj.org/article/f1f9691e8a0c4af7ae13ae419a3d211a
Autor:
Zhaofeng Gu, Yixiao Gao, Kongsi Zhou, Junyang Ge, Chen Xu, Lei Xu, Mohsen Rahmani, Ran Jiang, Yimin Chen, Zijun Liu, Chenjie Gu, Yaoguang Ma, Jianrong Qiu, Xiang Shen
Publikováno v:
Opto-Electronic Science, Vol 3, Iss 10, Pp 1-13 (2024)
Multidimensional-engineering chalcogenide glasses is widely explored to construct various infrared photonic devices, with their surface as a key dimension for wavefront control. Here, we demonstrate direct patterning high-aspect-ratio microstructures
Externí odkaz:
https://doaj.org/article/d23c5b941ba747bcbfcbb8ba18db27a9
Autor:
Moghaddasi Mojtaba, Perez Coca Erik Edilson, Ye Danni, Flores Diego Alejandro, Wu Xudong, Jalal Abdul, Ren Ziming, Abrinaei Fahimeh, Hu Bin
Publikováno v:
Nanophotonics, Vol 13, Iss 24, Pp 4417-4428 (2024)
This study presents the design, fabrication, and characterization of a wide field-of-view (FOV) metalens optimized for capsule endoscopy. The metalens achieved a 165° FOV with a high modulation transfer function (MTF) of 300 lines per millimeter (lp
Externí odkaz:
https://doaj.org/article/4241e3e672084a849085600fa2bb405b
Autor:
Yu Shilin, Xu Mingfeng, Pu Mingbo, Tang Xi, Zheng Yuhan, Guo Yinghui, Zhang Fei, Li Xiong, Ma Xiaoliang, Luo Xiangang
Publikováno v:
Nanophotonics, Vol 13, Iss 23, Pp 4317-4325 (2024)
Non-local metasurface supporting geometric phases at bound states in the continuum (BIC) simultaneously enables sharp spectral resonances and spatial wavefront shaping, thus providing a diversified optical platform for multifunctional devices. Howeve
Externí odkaz:
https://doaj.org/article/58bbed6b07124c5db56518c8f2b52b02
Autor:
Zhenjie Yu, Moxin Li, Zhenyu Xing, Hao Gao, Zeyang Liu, Shiliang Pu, Hui Mao, Hong Cai, Qiang Ma, Wenqi Ren, Jiang Zhu, Cheng Zhang
Publikováno v:
Opto-Electronic Science, Vol 3, Iss 9, Pp 1-14 (2024)
Metasurfaces, composed of planar arrays of intricately designed meta-atom structures, possess remarkable capabilities in controlling electromagnetic waves in various ways. A critical aspect of metasurface design involves selecting suitable meta-atoms
Externí odkaz:
https://doaj.org/article/f1ecbf536232479092106d0fcd52df30
Autor:
Yi Chen, Simeng Zhang, Ying Tian, Chenxia Li, Wenlong Huang, Yixin Liu, Yongxing Jin, Bo Fang, Zhi Hong, Xufeng Jing
Publikováno v:
Opto-Electronic Advances, Vol 7, Iss 8, Pp 1-16 (2024)
Based on the principle of super-symmetric lens with quadratic phase gradient transformation, combined with the principle of digital coding of metasurface, we propose a wide-angle coded metalens for focusing control in two-dimensional space. This meta
Externí odkaz:
https://doaj.org/article/b9754f819eba4a74b83f5776d1b7dc54
Autor:
Hyunseung Jung, Igal Brener, Sadhvikas J. Addamane, Ting Shan Luk, C. Thomas Harris, Ganapathi Subramania, Oleg Mitrofanov
Publikováno v:
Advanced Photonics Research, Vol 5, Iss 12, Pp n/a-n/a (2024)
Metasurfaces have opened doors to combining multiple photonic functionalities in a single compact device. In particular, the ability to generate short terahertz (THz) pulses with precise wavefront engineering in a single THz metasurface redefined the
Externí odkaz:
https://doaj.org/article/1fe64cd8840246beb2b23411145b3120
Publikováno v:
SoftwareX, Vol 28, Iss , Pp 101954- (2024)
Metalens design and optimization software (MetaCraft) is a Python-based software that generates a variety of metalens designs based on the user preferences. The design of metalenses involves the time-wise and computationally expensive tasks of search
Externí odkaz:
https://doaj.org/article/0b8fd40ebe384c0e9180f976a9a5ea65