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Academic Articles & Research Papers
Showing 20 of 7,048 academic articles
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...
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Open Access (DOAJ)
DOI: 10.3390/machines11060668
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...
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Open Access (DOAJ)
DOI: 10.3390/HMAM2-14147
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
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
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
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
Anurag Khandelwal, Piyush Anil Kumar Sharma, Simon Schweidler, Pirmin Tischler et al. • Materials & Design
(2026)
In this study, 14 lanthanum-based high-entropy perovskite oxides (HEPOs) with equimolar mixtures of transition metals (Cr, Mn, Fe, Co, Ni, Cu, Zn) at the B-site were synthesized to investigate how multi-elemental interactions govern their s...
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Open Access (DOAJ)
DOI: 10.1016/j.matdes.2026.116517
Zhe Shen, Shijie Huang • Nanomaterials
(2022)
Needle beams have received widespread attention due to their unique characteristics of high intensity, small focal size, and extended depth of focus (DOF). Here, a single–layer all–dielectric metalens based on Pancharatnam–Berry (PB) was us...
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Open Access (DOAJ)
DOI: 10.3390/nano12224074
Yunsong Hua, Yujiao Xin, Hongyang Dai, Hui Yang et al. • Frontiers in Physics
(2022)
The macroscopic mechanical property and the stability of granular mechanics system are determined by packing structure. Cells play a fundamental role in granular statistical mechanics and thus cells were utilized in this paper to research t...
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Open Access (DOAJ)
DOI: 10.3389/fphy.2022.994121
Yuhui Yang, Qingyun Wu, Xiangxin Gong, Ruihuan Duan et al. • Nature Communications
(2026)
Abstract Photodetectors that can achieve both high sensitivity and fast speed remain a challenge due to inherent trade-offs, particularly limiting in photonic integrated circuits. While substantial progress has been made in broadening spect...
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Open Access (DOAJ)
DOI: 10.1038/s41467-026-72259-1
Li Xu, Peng Ran, Wenqian Zhou, Jingshu Wang et al. • Nature Communications
(2026)
Abstract Conventional X‑ray sensing fails in extreme temperatures due to a fundamental trilemma: no material offers strong absorption, flexibility, and thermal stability simultaneously. Rigid inorganic scintillators exhibit thermal quenchin...
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Open Access (DOAJ)
DOI: 10.1038/s41467-026-71103-w
Yogesh Kumar Singh, Upasana Dutta, T. S. Murugesh Prabhu, I. Prabu et al. • Hydrology
(2017)
Flood Response System (FRS) is a network-enabled solution developed using open-source software. The system has query based flood damage assessment modules with outputs in the form of spatial maps and statistical databases. FRS effectively f...
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Open Access (DOAJ)
DOI: 10.3390/hydrology4020030
Thomas Hufnagel, Richard Stoy, Matthias Rädle, Heike P. Karbstein • Chemosensors
(2022)
Double emulsions arouse great interest in various industries due to their ability to encapsulate value-adding ingredients. However, they tend to be unstable due to their complex structure. Several measurement techniques have already been de...
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Open Access (DOAJ)
DOI: 10.3390/chemosensors10110463
Wenyou Qiao, Zhishan Gao, Qun Yuan, Lu Chen et al. • Sensors
(2025)
High aspect ratio (HAR) sample-induced aberrations seriously affect the topography measurement for the bottom of the microstructure by coherence scanning interferometry (CSI). Previous research proposed an aberration compensating method usi...
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Open Access (DOAJ)
DOI: 10.3390/s25134085
Chengli Wang, Zhiwei Fang, Ailun Yi, Bingcheng Yang et al. • Light: Science & Applications
(2021)
Abstract The realization of high-quality (Q) resonators regardless of the underpinning material platforms has been a ceaseless pursuit, because the high-Q resonators provide an extreme environment for confining light to enable observations ...
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Open Access (DOAJ)
DOI: 10.1038/s41377-021-00584-9
Jiaming Yan, Hong Hong, Heng Zhao, Yusheng Li et al. • Sensors
(2016)
Targets located at the same distance are easily neglected in most through-wall multiple targets detecting applications which use the single-input single-output (SISO) ultra-wideband (UWB) radar system. In this paper, a novel multiple target...
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Open Access (DOAJ)
DOI: 10.3390/s16081293
Maolin Zhang, Yufeng Guo, Jun Zhang, Jiafei Yao et al. • Nanoscale Research Letters
(2020)
Abstract Double-gate tunnel field-effect transistor (DG TFET) is expected to extend the limitations of leakage current and subthreshold slope. However, it also suffers from the ambipolar behavior with the symmetrical source/drain architectu...
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Open Access (DOAJ)
DOI: 10.1186/s11671-020-03360-7