Guangyuan Li,Shangyuan Li,Xiaoxiao Xue et al.
Guangyuan Li et al.
In this paper, a high-precision frequency synchronization scheme in free space based on microwave photonic architecture is proposed, which can be used between multi-nodes in relative motion or in a motionless state. The reference frequency ...
High-spatial-resolution quasi-distributed acoustic sensing with phase noise suppression based on φ-OFDR [0.03%]
基于φ-OFDR的相位噪声抑制高空间分辨率准分布式声学传感技术
Huajian Zhong,Zhenwei Peng,Yuhao Kong et al.
Huajian Zhong et al.
A quasi-distributed acoustic sensor with high-spatial-resolution based on phase-sensitive optical frequency domain reflectometry (φ-OFDR) was demonstrated. The source of noise that affects the accuracy of phase demodulation was analyzed. T...
Fluid detection based on liquid crystals-controlled tunable layered hyperstructures for second harmonic generation [0.03%]
基于液晶控制的可调分层超结构的流体检测用于二次谐波产生
Xiang Li,Cheng Yang,Chu-Ming Guo et al.
Xiang Li et al.
A detection device composed of multi-layer nonlinear hyperstructures and liquid crystals is proposed in this paper to achieve second harmonic generation. Introducing defect layers leads to sharp transmission peaks within the electromagnetic...
Intermittent dynamics identification and prediction from experimental data of discrete-mode semiconductor lasers by reservoir computing [0.03%]
基于库计算的半导体离散模式激光器实验数据中的间歇动力学识别与预测
Shoudi Feng,Zhuqiang Zhong,Haomiao He et al.
Shoudi Feng et al.
Analysis of intermittent dynamics from experimental data is essential to promote the understanding of practical complex nonlinear systems and their underlying physical mechanisms. In this paper, reservoir computing enabled dynamics predicti...
Yifei Chen,Qinnan Zhang,Tianyun Liu et al.
Yifei Chen et al.
Incoherent digital holography technology reduces the requirement for coherence of light sources, greatly expanding the application range of digital holography. In this paper, we designed a Multi-head attention single-pixel (MHASP) phase-shi...
Distributed salinity sensor based on optical frequency domain reflectometry with polyimide coated single mode fiber [0.03%]
基于聚酰亚胺涂层单模光纤的分布式光学频域反射盐度传感器
Chao Ping Liang,Zhuo Song,Hong Dong Chen et al.
Chao Ping Liang et al.
A distributed optical fiber sensor for salinity sensing is proposed and analyzed. The sensor uses a single mode fiber coated with polyimide and is based on optical frequency domain reflectometry. By applying the polyimide solution to the su...
Significant enhancment of the accuracy of impurity determination in vacuums using classification one-point laser-induced breakdown spectroscopy [0.03%]
利用分类一点激光诱导击穿光谱法显著提高真空环境中的杂质测定精度
Xue Bai,Ran Hai,Zehua Liu et al.
Xue Bai et al.
Laser-induced breakdown spectroscopy (LIBS) is a highly promising technique for the in-situ, real-time diagnosis of impurity deposits on the inner walls of tokamak devices. The deposited impurity on plasma-facing materials (PFCs) pose a sig...
Reconfigurable mode converter based on a Sb2Se3 phase change material and inverse design [0.03%]
基于Sb2Se3相变材料的可重构模式转换器及反向设计方法研究
Shengru Zhou,Hansi Ma,Zhaojian Zhang et al.
Shengru Zhou et al.
In this paper, we combine the inverse design with a silicon-Sb2Se3 hybrid platform to design an on-chip mode converter that converts basic modes to higher-order modes. Firstly, we present a 1 × 2 mode converter with dimensions of 4.8 × 2....
GAPANet: group alternate perceived attention network for optical imaging infrared thermal radiation effect correction [0.03%]
基于群体感知注意网络的光学成像红外热辐射效应校正方法
Yu Shi,ShanLin Niu,FeiYan Wu et al.
Yu Shi et al.
To address the problem of insufficient information interaction between different dimensions of image features, and the inability of real-time simultaneously in the current thermal radiation effect correction methods, in this paper, we const...
Efficient general method for numerically modeling laser pulse propagation, overlap, and lifetime effects in amplifiers [0.03%]
激光脉冲在放大器中传输、重叠和寿命效应的数值模拟方法
F X Morrissey,M D Rotter,A C Erlandson et al.
F X Morrissey et al.
An efficient numerical time-dependent general method is developed to address incoherent pulse overlap and lifetime effects in laser amplifiers. The alternating propagation-population laser energetics method (APPLE) has been validated agains...