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Academic Articles & Research Papers
Showing 20 of 259 academic articles
Ting Wu, Lei Yan, Zikang Zhang • Scientific Reports
(2024)
Abstract In this paper, an ultra-wideband stealth antenna with high gain on the basis of asymmetric transmission metasurface (ATMS) is proposed. ATMS can convert an incident y-polarised sphere wave into an x-polarised plane wave at the fron...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-024-64345-5
Jiashen Tang, Jiashen Tang, Connor A. Roncaioli, Andrew M. Edmonds et al. • Frontiers in Quantum Science and Technology
(2025)
Ensembles of nitrogen-vacancy (NV) centers in diamond are versatile quantum sensors with broad applications in the physical and life sciences. The concentration of neutral substitutional nitrogen ([Ns0]) strongly influences NV electronic sp...
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Open Access (DOAJ)
DOI: 10.3389/frqst.2025.1701548
Yang Yue, Jian Zhao, Jiangbing Du, Zhaohui Li • Sensors
(2021)
It is well known that optical fiber communications support the global communication networks nowadays, which originates from Charles K [...]...
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Open Access (DOAJ)
DOI: 10.3390/s21061969
Guangyao Liu, Yongqi Yang, Chao Zheng, Xiaoqun Cao • Nano Select
(2022)
Abstract P (N,N‐Dimethylacrylamide) ‐b‐P (2‐methoxyethyl acrylate) (PDMA‐b‐PMEA) and Poly (poly (ethylene glycol) methyl ether methacrylate) ‐b‐P (2‐methoxyethyl acrylate) (PPEGMA‐b‐PMEA) di‐block copolymer nanoparticles are prepared by RAF...
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Open Access (DOAJ)
DOI: 10.1002/nano.202100216
Gaurav Dhiman, Amandeep Kaur • Designs
(2018)
This paper presents the contemporary metaheuristic optimization algorithm named the Spotted Hyena Optimizer (SHO). The proposed technique is based on the law of gravitation and simulates the social behavior of spotted hyenas. The three basi...
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Open Access (DOAJ)
DOI: 10.3390/designs2030028
Abdulaziz Khalid Alsharidi, Ahmet Bekir • Axioms
(2025)
The paper consists of various types of wave solutions for the truncated M-fractional Bateman–Burgers equation, a significant mathematical physics equation. This model describes the nonlinear waves and solitons in different physical fields s...
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Open Access (DOAJ)
DOI: 10.3390/axioms14080617
Syuan-Cheng Chang, Chung-Ping Chang, Yung-Cheng Wang, Chi-Chieh Chu • Machines
(2023)
In this research, we propose a method that utilizes machine learning to maintain the parallelism of the resonant cavity in a Fabry–Perot interferometer designed specifically for glass substrates. Based on the optical principle and theory, w...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/machines11060668
Lucrezia Catanzaro, Marcello Condorelli, Mario Pulvirenti, Luisa D’urso et al. • Nanomaterials
(2026)
Noble metal nanostructures provide versatile platforms for light manipulation through localized surface plasmon resonances (LSPRs). Among them, triangular silver nanoplates (AgNPTs) exhibit strong field-enhancement and spectral tunability, ...
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Open Access (DOAJ)
DOI: 10.3390/nano16080486
Chaomin Chen, Xinyi Chen, Lixia Qin, Mingming Zhao et al. • Photodiagnosis and Photodynamic Therapy
(2026)
Purpose: This study used wide-field swept-source optical coherence tomography angiography (WF-SS-OCTA) to evaluate changes in macular vascular density in patients with obstructive sleep apnea syndrome (OSAS) at different stages of disease d...
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Open Access (DOAJ)
DOI: 10.1016/j.pdpdt.2026.105582
Zelin Zhang, Yu Qin, Jie Zhu, Caoyuan Wang et al. • Micromachines
(2024)
We optimized and fabricated an ultra-bend-resistant 4-core simplex cable (SXC) employing 4-core multicore fiber (MCF) suitable for short-reach dense spatial division multiplexing (DSDM) optical transmission in the O-band. The characteristic...
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Open Access (DOAJ)
DOI: 10.3390/mi15010108
Giovanna Di Pasquale, Antonino Pollicino • Micromachines
(2026)
Molecularly imprinted polymers (MIPs) are synthetic receptors with cavities shaped around a template, combining antibody-like selectivity with chemical, thermal, and mechanical robustness; low cost; and reusability. This Review examines rec...
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Open Access (DOAJ)
DOI: 10.3390/mi17091037
Daniel Smith, Soon Hock Ng, Molong Han, Tomas Katkus et al. • Engineering Proceedings
(2023)
We show that single-pulse burst fabrication will produce a flatter and smoother profile of axicons milled on sapphire compared to pulse overlapped fabrication which results in a damaged and much rougher surface. The fabrication of large-are...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/HMAM2-14147
Xiaofeng Xu, Weipeng Yu, Xingduo Fan, Zhenhong Gong et al. • Scientific Reports
(2025)
Abstract Currently, bamboo fibers (BFs) are commonly processed through alkali boiling softening pretreatment, which generates wastewater that poses environmental pollution risks. This process is also complex and requires significant human a...
DOAJ
Open Access (DOAJ)
DOI: 10.1038/s41598-025-88059-4
Qi Wu, Zhaopeng Xu, Yixiao Zhu, Yikun Zhang et al. • Photonics
(2023)
Driven by emerging technologies such as the Internet of Things, 4K/8K video applications, virtual reality, and the metaverse, global internet protocol traffic has experienced an explosive growth in recent years. The surge in traffic imposes...
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Open Access (DOAJ)
DOI: 10.3390/photonics10091001
Xiaoying He, Anqi Hu, Xia Guo • IEEE Photonics Journal
(2019)
Graphene and hBN as two-dimensional materials with excellent optical properties can be combined with other materials. In this paper, graphene and hBN is sequentially deposited on the surface of the silicon-core fiber to serve as transverse ...
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Open Access (DOAJ)
DOI: 10.1109/JPHOT.2019.2946201
Ziyi Zhang, Tiepei Zhu, Tongtong Cao, Zhaoyu Gong et al. • Journal of Innovative Optical Health Sciences
(2021)
To accurately guide surgical instruments during ophthalmic procedures, some necessary intraoperative depth perception is required, which standard surgical microscopes supply limitedly. Intraoperative optical coherence tomography (iOCT), com...
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Open Access (DOAJ)
DOI: 10.1142/S1793545821400095
Zhenyue Chen, Yi Chen, Irmak Gezginer, Qingxiang Ding et al. • Light: Science & Applications
(2025)
Abstract A critical gap currently exists in systematic understanding and experimental validation of the role of astrocytes in neurovascular coupling and their functional links with other brain cells. Despite a broad selection of functional ...
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Open Access (DOAJ)
DOI: 10.1038/s41377-025-02003-9
Jinnan Zhang, Lingmei Ai, Xin Yan, Yao Wu et al. • Nanoscale Research Letters
(2018)
Abstract The photovoltaic performance of axial and radial pin junction GaAs nanocone array solar cells is investigated. Compared with the cylinder nanowire arrays, the nanocone arrays not only improve the whole optical absorption but more i...
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Open Access (DOAJ)
DOI: 10.1186/s11671-018-2727-7
Ayenew Amare, Mezigebu Belay, Zewudu Wondimagegn • Journal of Materials Science: Materials in Engineering
(2026)
Abstract The use of aluminium matrix composites (AMCs) in advanced engineering applications has increased due to their improved mechanical properties, such as hardness, ultimate tensile strength, toughness, wear, and corrosion resistance. A...
DOAJ
Open Access (DOAJ)
DOI: 10.1186/s40712-026-00421-0
Zhaokun Zhou, Helen Miller, Adam J.M. Wollman, Mark C. Leake • Photonics
(2015)
We present a novel experimental setup in which magnetic and optical tweezers are combined for torque and force transduction onto single filamentous molecules in a transverse configuration to allow simultaneous mechanical measurement and man...
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Open Access (DOAJ)
DOI: 10.3390/photonics2030758