Article
Nanoscience & Nanotechnology
Xiaoluo He, Chu Qi, Sheng Lei, Alex M. H. Wong
Summary: In this work, a dual-polarized, broadband and high NA achromatic metalens based on the Huygens' metasurface is proposed. The metalens achieves diffraction-limited focusing with 2% maximum focal length deviation and 70% average focusing efficiency over a bandwidth of 16.7%. It opens wide-ranging opportunities for microwave and mm-wave imaging and communication applications.
Article
Optics
Tianyu Zhao, Yihui Wu, Yi Xing, Yue Wang, Jie Wu, Wenchao Zhou
Summary: Metasurface manipulates electromagnetic waves through subwavelength microstructure to control their polarization, phase, amplitude, frequency, and other characteristics. This paper proposes a method using genetic algorithm and computer-generated hologram to achieve an array of focused or vortex beams without polarization selection property based on wavelength multiplexing. Simulation results indicate its promising applications in optical communication and manipulation.
Article
Optics
Jixin Feng, Xianghui Wang, Jierong Cheng, Ming Zeng
Summary: Research on bound states in the continuum (BICs) has gained increasing attention recently. This study proposes a new scheme for polarization-independent quasi-BIC without rotational symmetry, achieved through the rotation of the incident light's polarization direction. By investigating far-field multipolar decomposition and near-field electromagnetic distributions, it is demonstrated that the switch between electric and magnetic quadrupoles leads to the observed polarization-independent quasi-BIC resonance. This finding offers an alternative approach for designing polarization-independent devices and expanding their potential applications.
Article
Engineering, Electrical & Electronic
Lin-Xiao Wu, Na Zhang, Kai Qu, Ke Chen, Tian Jiang, Junming Zhao, Yijun Feng
Summary: In this article, a single-sheet metasurface (MS) is proposed for independently manipulating the transmissive phase and amplitude of linearly polarized electromagnetic (EM) wave. By integrating the proposed MS, a low-profile metalens antenna operating at 12.2 GHz is designed, fabricated, and validated. The results show that the proposed metalens antenna achieves high gain and low sidelobe level, making it a promising candidate for wireless and satellite system applications.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2022)
Article
Optics
Haoyu Wang, Zhiyu Zhang, Kun Zhao, Wen Liu, Pei Wang, Yonghua Lu
Summary: This research demonstrates a novel multifunctional metasurface by independently manipulating the phase of two orthogonal polarizations using dielectric nanoposts. A beam splitter and a bifocal metalens were realized in a single-layer dielectric metasurface, showing a new route to design multifunctional meta surfaces with various applications.
CHINESE OPTICS LETTERS
(2021)
Article
Engineering, Electrical & Electronic
Yijie Gu, Ran Hao, Er-Ping Li
Summary: An innovative single-layer, transmissive metalens has been developed for focusing orthogonal polarization components of incident light to two independent focal spots, while maintaining the initial polarization states. By utilizing a deep neural network for efficient and accurate design parameter generation, this metalens represents a new solution for multi-foci metalens and polarization beam splitter applications. Good agreement between simulation and theoretical predictions indicates the potential suitability of this technology for deep sensing, holography, information encryption, and display purposes.
IEEE PHOTONICS TECHNOLOGY LETTERS
(2021)
Article
Materials Science, Multidisciplinary
Jie Cheng, Wang-Sheng Li, Jiu-Sheng Li
Summary: Based on the convolution and superposition theorem, a reflective anisotropic metasurface is proposed to achieve the functions of deflection and superposition of vortex beams, bifocal focusing, and focusing vortex beam. This metasurface can flexibly manipulate terahertz wave under different polarization waves incidence and has potential application prospects in the field of terahertz communication.
OPTICAL MATERIALS EXPRESS
(2022)
Article
Materials Science, Multidisciplinary
Yousaf Murtaza Rind, Nasir Mahmood, Muhammad Qasim Mehmood, Tauseef Tauqeer, Muhammad Zubair, Yehia Massoud
Summary: Introduces all-dielectric transmissive metasurfaces based on the photonic spin Hall effect, which provide independent control of photons through phase multiplexing, with minimal noise and cross-talk. Demonstrates the functionality through multifocal metalenses that generate high-intensity focused spots under different polarized incidences. This research advances compact multifunctional device design in fields such as microscopy, communication, data storage, and imaging.
OPTICAL MATERIALS EXPRESS
(2023)
Article
Physics, Applied
Jie Lu, Shuai Wang, Yanzi Meng, Guizhi Zang, Shengxuan Xia, Xiongjun Shang, Lingling Wang, Xiang Zhai
Summary: We propose a design of bilayer metasurfaces for arbitrary and independent phase modulation of arbitrarily polarized beams at lambda (1) = 505 nm and circularly polarized beams at lambda (2) = 633 nm. The method involves cascading two layers functioning as convertible waveplates and full-wave plates. We investigate the performances of asymmetric deflectors and multi-foci metalenses, achieving polarization-independent deflector or single-focus metalens at lambda (1) and polarization-dependent deflector or dual-foci metalens at lambda (2). The proposed approach shows promise in information multiplexing and security.
APPLIED PHYSICS EXPRESS
(2023)
Article
Nanoscience & Nanotechnology
Chikara Ogawa, Sotaro Nakamura, Takumi Aso, Satoshi Ikezawa, Kentaro Iwami
Summary: In this study, a rotational varifocal metalens based on octagonal single-crystal silicon pillars was designed and fabricated to achieve high transmittance, whole 2 pi phase coverage, and polarization insensitivity for visible wavelengths. The fabricated moire metalens demonstrated a focal length that can be tuned from -36 mm to -2 mm and from 2 to 12 mm by mutual rotation from -90 degrees to 90 degrees, and imaging was demonstrated at three distinct wavelengths of 633, 532, and 440 nm.
Article
Optics
Yuhang Dai, Tao He, Zeyong Wei, Zhanshan Wang, Xinbin Cheng
Summary: Anomalous reflection with 100% efficiency at optical frequencies is achieved by designing the phase responses of multi-layer films, creating an all-dielectric quasi-three-dimensional subwavelength structure. By controlling the interference of scattered light waves at multiple wavelengths using phase dispersion regulation, high-efficiency anomalous reflection with customized bandwidth is achieved. This result provides a general strategy for designing high-efficiency anomalous reflection and may inspire various potential applications for metadevices.
Article
Chemistry, Multidisciplinary
Xueping Sun, Rui Ma, Xinxin Pu, Shaobo Ge, Jin Cheng, Xiangyang Li, Quan Wang, Shun Zhou, Weiguo Liu
Summary: In this paper, we designed orthogonal linear and circular polarization multiplexing metalens using a library of rectangle TiO2 nanostructures. Both metalenses can produce diffraction-limited focal spots for four polarization states with no obvious distortion.
Article
Engineering, Electrical & Electronic
Haoyu Lei, Ying Liu, Yongtao Jia, Zhenzhen Yue, Xing Wang
Summary: This paper presents a low-profile, compact, high gain dual-band and dual-circularly polarized folded transmitarray antenna (FTA) with independent beam control. By controlling the phase distribution and circular polarization, the proposed antenna can radiate left-hand and right-hand circularly polarized waves simultaneously, with smaller profile, compact structure, low cost, and easy integration compared to traditional antennas.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2022)
Article
Chemistry, Multidisciplinary
Tianyu Zhao, Xiao Lv, Yue Wang, Yihui Wu
Summary: In this paper, a polarization-independent metalens with extended focal depth is designed using a super-oscillation phase modulation optimization method, providing a new approach for designing metalenses with long focal depth and potential applications in imaging, lithography, and detection.
Article
Multidisciplinary Sciences
Pei-Nan Ni, Pan Fu, Pei-Pei Chen, Chen Xu, Yi-Yang Xie, Patrice Genevet
Summary: In this study, the authors demonstrate an ultra-compact approach to access and manipulate the optical spin states of VCSELs using the on-chip integration of Jones matrix metasurfaces. They show previously unattainable phase controllability and experimentally validate the performance of CMOS compatible Jones matrix metasurfaces integrated with standard VCSELs. This approach is of great significance for the development of spin-optoelectronic devices.
NATURE COMMUNICATIONS
(2022)
Article
Engineering, Multidisciplinary
Huaduo Wu, Yuanfei Han, Guangfa Huang, Nan Zong, Jianwei Mao, Huigang Shi, Weijie Lu
Summary: A novel fiber-like structural TiB reinforced titanium matrix composite was designed to achieve a combination of high strength and ductility. Through the improvement of structure and microstructure, the material showed enhanced tensile strength, comparable ductility, higher deformation ability, back stress during loading, and increased strain hardening rate. The higher mechanical response of the TiB/Ti composites is attributed to the introduction of TiB reinforcements with the new fiber-like structure, and the coupling effect of consequent grain refinement, load transferring effect, dislocation pinning effect of the fine TiB particles, back stress strengthening and the higher Schmid factors of prismatic slips.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Engineering, Multidisciplinary
Xiaoyan Wang, Shaopeng Li, Yuanfei Han, Guangfa Huang, Jianwei Mao, Weijie Lu
Summary: TiC crystals are important reinforcements in metal matrix composites, but they can accelerate fatigue crack propagation and lead to premature fracture. To improve performance, reducing TiC content and minimizing crystal size are recommended.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Oncology
Jiajian Wang, Jie Dong, Yinjian Zhou, Kaiyi Wang, Min Pan, Zaixing Deng, Pengfei Wang, Ying Du, Weiguo Lu
Summary: This study aimed to assess the clinical performance of an HPV E6/E7 mRNA assay (Aptima HPV, AHPV) and AHPV 16 18/45 genotype assay (AHPV-GT) combined with age stratification for triaging women with atypical squamous cells of undetermined significance (ASC-US) cytology. The results showed that AHPV testing with age stratification is effective for triaging women with ASC-US cytology, and AHPV-GT testing may be a proper risk stratification method for women with AHPV-positive ASC-US cytology.
GYNECOLOGIC ONCOLOGY
(2022)
Article
Pharmacology & Pharmacy
Songli Wang, Ruifeng Wang, Nana Meng, Linwei Lu, Jun Wang, Jianfen Zhou, Jiasheng Lu, Qianzhu Xu, Cao Xie, Changyou Zhan, Yao Li, Yang Yu, Weiyue Lu, Min Liu
Summary: In this study, a platelet-based delivery system was developed for the treatment of thrombotic diseases. The system showed superior thrombolytic efficacy and had the ability to inhibit re-embolism, while reducing the risk of hemorrhage.
ACTA PHARMACEUTICA SINICA B
(2022)
Article
Oncology
Jianying Xu, Xuan Rao, Weiguo Lu, Xing Xie, Xinyu Wang, Xiao Li
Summary: This study aimed to identify risk factors for malignant lesions in asymptomatic endometrial polyps (EPs) diagnosed by ultrasound and establish a noninvasive predictor. The study found that abnormal uterine bleeding, large polyps, and blood flow signal in EPs were independent predictive factors for malignancy. A noninvasive predictor combining these factors showed excellent sensitivity and negative predictive value in distinguishing benign and malignant EPs.
FRONTIERS IN ONCOLOGY
(2022)
Article
Microbiology
Yunfeng Fu, Xiao Li, Ying Li, Weiguo Lu, Xing Xie, Xinyu Wang
Summary: This study compares the clinical performance of DH3 HPV assay and HC2 test for cervical cancer screening and finds similar sensitivity and specificity for detecting high-grade lesions between the two tests. DH3 assay has the advantage of providing 92% sensitivity in primary screening strategy.
MICROBIOLOGY SPECTRUM
(2022)
Article
Radiology, Nuclear Medicine & Medical Imaging
Lin Ma, Weicheng Chi, Howard E. Morgan, Mu-Han Lin, Mingli Chen, David Sher, Dominic Moon, Dat T. Vo, Vladimir Avkshtol, Weiguo Lu, Xuejun Gu
Summary: In this study, a registration-guided DL segmentation framework for online cone beam computed tomography (CBCT) image was proposed. By integrating image registration algorithms and DL segmentation models, this framework overcame the issues of low image quality and limited training data, resulting in more accurate segmentation.
Article
Peripheral Vascular Disease
Gang Peng, Weiping Lu, Kai Chen, Xiaodan Yang, Jianguo Wei, Bo Wang, Bingcang Huang
Summary: Fourdimensional CT angiography-CT perfusion (4D CTA-CTP)-integrated technology was used to evaluate the cerebral collateral circulation in patients with acute ischemic stroke (AIS). It was found that the mCTA cerebral collateral circulation score can independently predict the neurological prognosis of AIS patients, while the baseline serum S100B protein concentration cannot independently predict the neurological prognosis of AIS patients.
MICROVASCULAR RESEARCH
(2022)
Article
Biochemistry & Molecular Biology
Wenying Yang, Dalong Zhu, Shenglian Gan, Xiaolin Dong, Junping Su, Wenhui Li, Hongwei Jiang, Wenjuan Zhao, Minxiu Yao, Weihong Song, Yibing Lu, Xiuzhen Zhang, Huifang Li, Guixia Wang, Wei Qiu, Guoyue Yuan, Jianhua Ma, Wei Li, Ziling Li, Xiaoyue Wang, Jiao'e Zeng, Zhou Yang, Jingdong Liu, Yongqian Liang, Song Lu, Huili Zhang, Hui Liu, Ping Liu, Kuanlu Fan, Xiaozhen Jiang, Yufeng Li, Qing Su, Tao Ning, Huiwen Tan, Zhenmei An, Zhaoshun Jiang, Lijun Liu, Zunhai Zhou, Qiu Zhang, Xuefeng Li, Zhongyan Shan, Yaoming Xue, Hong Mao, Lixin Shi, Shandong Ye, Xiaomei Zhang, Jiao Sun, Ping Li, Tao Yang, Feng Li, Jingna Lin, Zhinong Zhang, Ying Zhao, Ruonan Li, Xiaohui Guo, Qi Yao, Weiping Lu, Shen Qu, Hongmei Li, Liling Tan, Wenbo Wang, Yongli Yao, Daoxiong Chen, Yulan Li, Jialin Gao, Wen Hu, Xiaoqiang Fei, Tianfeng Wu, Song Dong, Wenlong Jin, Chenzhong Li, Dong Zhao, Bo Feng, Yu Zhao, Yi Zhang, Xiaoying Li, Li Chen
Summary: In patients with inadequate glycemic control using metformin alone, dorzagliatin as an add-on therapy resulted in effective glycemic control with good tolerability and safety.
Article
Infectious Diseases
Yuansu Jiang, Shuangshuang Yang, Shaoli Deng, Weiping Lu, Qing Huang, Yun Xia
Summary: The prevalence and molecular characteristics of tigecycline-resistant carbapenem-resistant Enterobacter cloacae (TCREC) in Southwest China were investigated. The study revealed that ST88 strains carrying the carbapenemase gene NDM-1 were the most common and exhibited resistance to tigecycline. Overexpression of efflux pumps contributed to tigecycline resistance. Effective supervision and management are crucial to prevent the transmission of TCREC isolates.
JOURNAL OF GLOBAL ANTIMICROBIAL RESISTANCE
(2022)
Article
Medicine, Research & Experimental
Yixuan Cen, Tingjia Zhu, Yanan Zhang, Lu Zhao, Jiawei Zhu, Lingfang Wang, Junfen Xu, Tian Ding, Xing Xie, Xinyu Wang, Weiguo Lu
Summary: This study identified a downregulated circular RNA (hsa_circ_0005358) derived from the host gene Gli1 in cervical cancer tissues, which suppressed the migration and invasion abilities of cervical cancer cells by interacting with polypyrimidine tract-binding protein 1 (PTBP1), ultimately reducing cancer metastasis.
MOLECULAR THERAPY-NUCLEIC ACIDS
(2022)
Article
Biotechnology & Applied Microbiology
Yanyi Lu, Lin Zeng, Min Li, Bowen Yan, Dandan Gao, Bangfu Zhou, Weiping Lu, Qinghua He
Summary: This study explored the possibility of identifying common wound infection bacteria in mixed culture using gas chromatograph-ion migration spectroscopy (GC-IMS). The headspace gas of single and mixed cultures of Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa was analyzed, and specific volatile organic compounds (mVOCs) were obtained. The findings suggest that GC-IMS can be used to identify compound bacteria based on specific mVOCs.
Article
Engineering, Mechanical
Weiping Lu, Wen Cui, Xiaogang Zhang, Yali Zhang, Shu Yang, Jian Pu, Junyan Li, Zhongmin Jin
Summary: The friction and wear behaviors between cartilage replacement materials and articular cartilage are crucial for the function and performance of the replacements. This study investigated the difference between cross-shear motion and reciprocal linear motion on the frictional and wear behaviors of cartilage, as well as the effect of bearing surface roughness. The results showed that there was no significant difference between the two motion types. The water contact angle of the bearing surface affected the friction and wear behaviors for low roughness implants, while the surface roughness of the material affected the behaviors for high roughness implants. PEEK was found to be a suitable material for osteochondral implants.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY
(2023)
Article
Multidisciplinary Sciences
Jiaqi Hu, Zhiwu Wang, Ruocheng Zuo, Chengcai Zheng, Bingjian Lu, Xiaodong Cheng, Weiguo Lu, Chunhui Zhao, Pengyuan Liu, Yan Lu
Summary: Radiomics-based models using preoperative contrast-enhanced computed tomography (CECT) images were developed to predict clinical outcomes of high-grade serous ovarian cancer (HGSOC). Patients with HGSOC can be accurately stratified into high-risk or low-risk groups for cancer-related death or likely recurrence based on their CT images. These radiomic models provide convincing and reliable non-invasive markers for individualized prognostic evaluation and clinical decision-making.
Article
Biochemistry & Molecular Biology
Qianqian Wu, Mingjing Wei, Lifang Yao, Xiaodong Cheng, Weiguo Lu, Xing Xie, Xiao Li
Summary: Hyperthermia can enhance the sensitivity of epithelial ovarian carcinoma cells with sufficient homologous recombination abilities to PARP inhibitors by impairing homologous recombination efficiency and increasing oxidative stress.
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
(2022)