Results 1 to 10 of about 1,069,438 (262)

Visible Meta‐Displays for Anti‐Counterfeiting with Printable Dielectric Metasurfaces

Advanced Science
Metasurfaces, 2D arrays of nanostructures, have gained significant attention in recent years due to their ability to manipulate light at the subwavelength scale.
Jintao Gong, Lingxing Xiong, Mingbo Pu, Xiong Li, Xiaoliang Ma, Xiangang Luo   +5 more
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An Adjustment Strategy for Tilted Moiré Fringes via Deep Q-Network

Photonics
Overlay accuracy, one of the three fundamental indicators of lithography, is directly influenced by alignment precision. During the alignment process based on the Moiré fringe method, a slight angular misalignment between the mask and wafer will cause ...
Chuan Jin, Dajie Yu, Haifeng Sun, Junbo Liu, Ji Zhou, Jian Wang   +5 more
doaj   +1 more source

Integrated Optimization of Structure and Control for Fast Steering Mirrors

Micromachines
This study concerns the problem of integrated optimization of structure and control based on a fast steering mirror, aiming to achieve simultaneous optimization of the mechanical structure and control system. The traditional research and development path
Zijie Chen, Qianwen Duan, Luyao Zhang, Yi Tan, Yao Mao, Ge Ren   +5 more
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Vortex-field enhancement through high-threshold geometric metasurface

Opto-Electronic Advances
Intense vortex beam is expected to empower captivating phenomena and applications in high power laser-matter interactions. Currently, the superposition of multiple vortex beams has shown the unique ability to tailor and enhance the vortex field. However,
Qingsong Wang, Yao Fang, Yu Meng, Han Hao, Xiong Li, Mingbo Pu, Xiaoliang Ma, Xiangang Luo   +7 more
doaj   +1 more source

GCA2Net: Global-Consolidation and Angle-Adaptive Network for Oriented Object Detection in Aerial Imagery

Remote Sensing
Enhancing the detection capabilities of rotated objects in aerial imagery is a vital aspect of the burgeoning field of remote sensing technology. The objective is to identify and localize objects oriented in arbitrary directions within the image.
Shenbo Zhou, Zhenfei Liu, Hui Luo, Guanglin Qi, Yunfeng Liu, Haorui Zuo, Jianlin Zhang, Yuxing Wei   +7 more
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Floating Multi-Focus Metalens for High-Efficiency Airborne Laser Wireless Charging

Photonics
Laser wireless power transfer (LWPT) offers a transformative approach to wireless energy transmission, addressing critical limitations in unmanned aerial vehicles (UAVs) such as battery energy limitation.
Zheting Meng, Yuting Xiao, Lianwei Chen, Si Wang, Yao Fang, Jiangning Zhou, Yang Li, Dapeng Zhang, Mingbo Pu, Xiangang Luo   +9 more
doaj   +1 more source

A White Light Spectral Interferometric Demodulation Method Based on Frequency Domain Solving and Model Matching

IEEE Photonics Journal
White-light interferometry (WLI) is widely used for thin-film thickness metrology due to its non-destructive and high-speed characteristics. Yet conventional data-processing pipelines struggle to balance accuracy and computational efficiency.
Yanfang Yang, Xiaolong Cheng, Yuliang Long, Wei Liu, Xinxiang Gong, Jinfeng Jiang, Yan Tang   +6 more
doaj   +1 more source

Light-powered phagocytic macrophage microrobot (phagobot): both in vitro and in vivo

Light: Science & Applications
Micro/nanorobots based on immune cells show great potential for addressing challenging biological and biomedical conditions. However, their powerful innate immune functions, particularly the phagocytosis capabilities, remain a big challenge to fully ...
Xing Li, Shuhan Zhong, Ting Pan, Jianyun Xiong, Guoshuai Zhu, Yang Shi, Hongbao Xin   +6 more
doaj   +1 more source

Metasurface-engineered thermal emitters enabled chip-scale mid-infrared spectroscopic sensing

PhotoniX
Miniaturized spectroscopy techniques show great potentials in on-site applications, with most progress focused on manipulating the spectral responses of either dispersion elements or detectors.
Qin Chen, Hu Nie, Qinke Liu, Ning Tan, Ziwang Tuo, Jiahao Yan, Long Wen   +6 more
doaj   +1 more source

Photonic nanojet-regulated soft microalga-robot with controllable deformation and navigation capability

PhotoniX
Micro/nanorobots have shown great potential to execute different tasks in microenvironments due to their small size, high controllability and environmental adaptability. However, it is still challenging to precisely control the deformation and navigation
Jianyun Xiong, Ziyi He, Guoshuai Zhu, Xing Li, Yang Shi, Ting Pan, Shuhan Zhong, He Wang, Zihao Su, Liliang Ye, Baojun Li, Hongbao Xin   +11 more
doaj   +1 more source