Modeling and analysis of measurement error for a four-axis optical profilometer [0.03%]
四轴光学轮廓仪的测量误差模型及分析
Sicheng Jiao,Wei Wang,Zhipeng Yang et al.
Sicheng Jiao et al.
Multi-axis optical profilometers are precision instruments used in optics and aerospace, where geometric errors critically impact measurement accuracy. This paper introduces an approach for error modeling and analysis for a four-axis optica...
Microwave metamaterial sensor with a high Q factor to measure complex permittivity based on cross-polarization conversion [0.03%]
一种高Q十字极化转换的微波代谢材料传感器以测量复介电常数
Junyu Liang,Fan Ding,Shangru Li et al.
Junyu Liang et al.
In this paper, a solid-state complex permittivity sensor is proposed based on cross-polarization conversion in the microwave band for what we believe is done for the first time. The sensor consists of a circular split-ring resonator structu...
Separation and interference of polarization in radially polarized Laguerre-Gaussian beams [0.03%]
径向偏振拉盖尔-高斯光束中的偏振分离与干涉
Rui Liu,Jianing Li,Jinming Huang et al.
Rui Liu et al.
The angular momentum properties of light can be described mathematically in terms of a higher-order Poincaré ball. The superposition of spin angular momentum (SAM) and orbital angular momentum (OAM) quantum states produces novel laser beam...
Convolutional neural network for detecting fiber-bending eavesdropping attacks in optical communication systems [0.03%]
基于卷积神经网络的光纤窃听检测方法研究
Wenshuai Qin,Xiaoxue Gong,Weigang Hou et al.
Wenshuai Qin et al.
Optical fiber communication networks are the backbone of information transmission, carrying over 90% of the world's data. However, optical fibers are susceptible to fiber-bending eavesdropping attacks, which can result in massive data leaks...
OpSecureCam: optically enhanced secure camera via an engineering point spread function [0.03%]
基于工程点扩散函数的光学增强安全相机（OpSecureCam）
Haoqi Luo,Junyu Zhang,Ye Liu et al.
Haoqi Luo et al.
Photoelectric imaging systems usually pursue a small-sized point spread function (PSF) to acquire high-quality images, but it also poses safety hazards for the camera in certain scenarios. For instance, ultrahigh intensity light focused on ...
ELRT: a lightweight 2D radiative transfer framework for rapid calculation of infrared radiation characteristics of aeroengines [0.03%]
轻量级的二维辐射传递框架ELRT及其红外辐射特性快速计算方法研究
Puyousen Zhang,Yiwen Li,Yao Li et al.
Puyousen Zhang et al.
With the advancement of infrared technology, the research on the infrared characteristics of aeroengines has become exceptionally crucial, as these characteristics may have an impact on the stealth capability and operational safety of the a...
All optical on-chip nonlinear activation functions for multi-wavelength computation [0.03%]
全光学片上非线性激活函数的多波长计算
Gongyu Xia,Jiacheng Liu,Pingyu Zhu et al.
Gongyu Xia et al.
This work proposes an all-optical on-chip nonlinear activation function unit for multi-wavelength computing applications. Our proposed unit utilizes the unique properties of silicon, specifically the two-photon absorption and thermo-optic e...
Enhanced gain in O-band quantum-dot semiconductor optical amplifier based on a dual-pass amplification scheme [0.03%]
基于双程放大方案的O带量子点半导体光放大器的增益提升
Victoria Cao,Zhen Wang,Wu Wang et al.
Victoria Cao et al.
Quantum dot (QD)-based semiconductor optical amplifiers (SOAs) are critical amplifying elements for future high-speed, cost-effective optical communication networks. In this work, we demonstrate a high-gain 1.3 µm QD SOA with a proposed du...
Yuzhuo Wang,Tianxiong Gao,Yufan Niu et al.
Yuzhuo Wang et al.
Mean-field theory is commonly employed to study nonequilibrium dynamics in hot Rydberg atomic ensembles, but the fundamental mechanism behind the generation of the mean-field interactions remains poorly understood. In this work, we experime...
Highly sensitive magnetic field sensor based on a polarimetric fiber laser assisted by a Terfenol-D bar [0.03%]
基于极化光纤激光器和泰fernol-d棒的高灵敏度磁场传感器
Shiying Xiao,Jinglin Feng,Beilei Wu et al.
Shiying Xiao et al.
We propose a highly sensitive magnetic field sensor based on a polarimetric fiber laser and a Terfenol-D bar. The laser cavity is structured with a high birefringence Erbium-doped fiber (Hi-Bi EDF) and a pair of wavelength-matched fiber Bra...