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Swept source intraoperative OCT angiography

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...

DOAJ Open Access (DOAJ) DOI: 10.1142/S1793545821400095

Photovoltaic Performance of Pin Junction Nanocone Array Solar Cells with Enhanced Effective Optical Absorption

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...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-018-2727-7

Generation of Subdiffraction Optical Needles by Simultaneously Generating and Focusing Azimuthally Polarized Vortex Beams through Pancharatnam–Berry Metalenses

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...

DOAJ Open Access (DOAJ) DOI: 10.3390/nano12224074

From mid-infrared luminescence to laser gain in chalcogenide glasses and glass-ceramics

Yuhang Zhao, Chenyue Xiao, Xiaosong Lu, Zhiyong Yang • Journal of Advanced Dielectrics (2026)

Mid-infrared (MIR) lasers operating in the 2–6[Formula: see text][Formula: see text]m region are important for spectroscopy, sensing, communications, medicine, lidar, and electro-optical applications. Chalcogenide glasses and glass–ceramics...

DOAJ Open Access (DOAJ) DOI: 10.1142/S2010135X26400102

Computational Adaptive Optics for HAR Hybrid Trench Array Topography Measurement by Utilizing Coherence Scanning Interferometry

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...

DOAJ Open Access (DOAJ) DOI: 10.3390/s25134085

High-Q microresonators on 4H-silicon-carbide-on-insulator platform for nonlinear photonics

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 ...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41377-021-00584-9

Simulation of the synergistic effect of multiple operation parameters on cavity soliton in nonlinear fiber resonator

Haiyang Liu, Zhe Li, Zeqiu Hu, Lu Liu et al. • Results in Physics (2024)

All optical soliton communication is a new generation of ultra-long distance and ultra-high speed optical fiber communication technology. Optical cavity solitons (CSs), whose pulse property is unique, have shown great potentials in optical ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rinp.2024.107821

High performance thin-film lithium niobate modulator on a silicon substrate using periodic capacitively loaded traveling-wave electrode

Gengxin Chen, Kaixuan Chen, Ranfeng Gan, Ziliang Ruan et al. • APL Photonics (2022)

Thin-film lithium niobate (TFLN) based traveling-wave modulators maintain simultaneously excellent performances, including large modulation bandwidth, high extinction ratio, low optical loss, and high modulation efficiency. Nevertheless, th...

DOAJ Open Access (DOAJ) DOI: 10.1063/5.0077232

Ostensibly perpetual optical data storage in glass with ultra-high stability and tailored photoluminescence

Zhuo Wang, Bo Zhang, Dezhi Tan, Jianrong Qiu • Opto-Electronic Advances (2023)

Long-term optical data storage (ODS) technology is essential to break the bottleneck of high energy consumption for information storage in the current era of big data. Here, ODS with an ultralong lifetime of 2×107 years is attained with sin...

DOAJ Open Access (DOAJ) DOI: 10.29026/oea.2023.220008

REDUCING CLIMATE IMPACTS ON WATER RESOURCES AS THE LEGAL AND ECONOMIC BASIS FOR ENVIRONMENTAL SECURITY IN THE EU CANDIDATE COUNTRIES: THE CASE OF UKRAINE

Ielyzaveta Lvova, Kateryna Kozmuliak, Liudmyla Strutynska-Struk • Baltic Journal of Economic Studies (2022)

As climate change is one of the greatest challenges of our time, the legal and economic issues of global environmental security deserve high praise. In the area of industrial competitiveness, where the negative effects of global climate cha...

DOAJ Open Access (DOAJ) DOI: 10.30525/2256-0742/2022-8-3-101-114

An elderly low-grade fibromyxoid sarcoma patient with early postoperative recurrences and metastases: a case report and literature review

Xiaoyue Zhang, Yongkang Qiu, Jixin Zhang, Zhao Chen et al. • Frontiers in Medicine (2024)

BackgroundLow-grade fibromyxoid sarcoma (LGFMS) is a rare type of soft tissue sarcoma that often involves the deep soft tissue of the extremities and trunk in young and middle-aged adults. It is uncommon in the elderly. Here we discuss a ca...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmed.2024.1172746

Experimental and Modelling Research on the Effect of Prior Ferrite on Bainitic Transformation in Medium-Carbon Bainitic Steel

Xinpan Yu, Wei Liu, Kang He, Tengfei Wang et al. • Crystals (2024)

In this study, we investigate the impact of prior ferrite on the bainite transformation kinetics and microstructure of medium-carbon steel interrupted by an intercritical annealing (IAA) process. It was found that the incubation time and co...

DOAJ Open Access (DOAJ) DOI: 10.3390/cryst14060487

Research and practice of key technologies for landslide dam development and utilization—A case in Hongshiyan landslide Dam Water Conservancy Project

Zongliang Zhang, Xueming Wu, Enshang Xiao, Ning He et al. • River (2023)

Abstract Based on the emergency rescue, the subsequent disposal, and the development and utilization projects of the Hongshiyan Landside Dam in Ludian, Yunnan, China, research has been conducted on key technical issues facing the developmen...

DOAJ Open Access (DOAJ) DOI: 10.1002/rvr2.51

Mixed Systems of Quaternary Ammonium Foam Drainage Agent with Carbon Quantum Dots and Silica Nanoparticles for Improved Gas Field Performance

Yongqiang Sun, Yongping Zhang, Anqi Wei, Xin Shan et al. • Nanomaterials (2024)

Foam drainage agents enhance gas production by removing wellbore liquids. However, due to the ultra-high salinity environments of the Hechuan gas field (salinity up to 32.5 × 104 mg/L), no foam drainage agent is suitable for this gas field....

DOAJ Open Access (DOAJ) DOI: 10.3390/nano14191590

Design of Inductively Coupled Communication Link for Mooring Systems Based on Dual-Carrier Modulation

Shengzong Zhang, Peng Luo, Zejin Sun, Junlin Pan et al. • Journal of Marine Science and Engineering (2026)

To address the challenge in real-time communication mooring systems where clock synchronization and data transmission are difficult to achieve simultaneously over a single jacketed steel cable loop, this paper develops a dual-carrier induct...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse14201898

Reduced Antarctic Bottom Water overturning rate during the early last deglaciation inferred from radiocarbon records

Sifan Gu, Zhengyu Liu, Ning Zhao, Tianyu Chen et al. • Nature Communications (2025)

Abstract The rapid CO2 rise during the early deglaciation is often linked to enhanced ventilation by intensified Antarctic Bottom Water (AABW) overturning. The recorded radiocarbon ventilation seesaw during the early deglaciation, which des...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-025-62958-6

Improved InSAR Deformation Time Series with Multi-Stable Points Technique for Atmospheric Correction

Baohang Wang, Guangrong Li, Chaoying Zhao, Liye Yang et al. • Geosciences (2026)

Potential tropospheric noise is a critical factor that undermines the effectiveness of deformation monitoring in Synthetic Aperture Radar Interferometry (InSAR) technologies. In most scenarios, many point targets within the InSAR deformatio...

DOAJ Open Access (DOAJ) DOI: 10.3390/geosciences16020059

Research on Two-Phase Flow and Wear of Inlet Pipe Induced by Fluid Prewhirl in a Centrifugal Pump

Jilong Chen, Xing Chen, Wenjin Li, Yuhai Zheng et al. • Journal of Marine Science and Engineering (2024)

In deep-sea mining hydraulic lifting systems, centrifugal pumps are very important as power units. In the process of transportation, the fluid prewhirl phenomenon in the impeller inlet will lead to changes in the state of motion of the part...

DOAJ Open Access (DOAJ) DOI: 10.3390/jmse12060950