Two-dimensional vortex dipole solitons in PT-symmetric lattices with nonlocal nonlinearity [0.03%]
非局部非线性PT对称晶格中的二维涡旋双极子孤子
Peijun Chen,JiangLi Dong,JunHui Ou
Peijun Chen
We investigate the dynamics and stability of 2D vortex dipole solitons in PT-symmetric lattices with nonlocal nonlinearity. Using the variational approach, we obtain analytical solutions from the proposed model while numerical simulations d...
Controlled Betatron radiation from high-charge electron beams in multiple plasma channels [0.03%]
高电荷电子束在多个等离子体通道中产生的受控倍加特龙辐射
Mengyuan Chu,Shixia Luan,Hetian Yang et al.
Mengyuan Chu et al.
We propose what we believe is a novel approach for generating intense Betatron radiation in multiple plasma channels induced by the interference of two relativistic, intense laser pulses in near-critical density plasma (NCDP). Our method us...
Research on atmospheric coherence length detection method based on optical computing lidar [0.03%]
基于光学计算激光雷达的大气相干长度探测方法研究
Shenbo Li,Jie Wang,Kee Yuan et al.
Shenbo Li et al.
The atmospheric coherence length is an important parameter that reflects the turbulence effects on optical wave transmission through the atmosphere. Real-time acquisition of atmospheric coherence length plays a significant role in various f...
Diffractive neural networks with polynomial phase masks for laser beam shaping with quasi-continuous diffractive optical elements [0.03%]
用于激光光束整形的具有多项式相位板的衍射神经网络及几乎连续型衍射光学元件
Paul Buske,Louis Michels,Christian Wahl et al.
Paul Buske et al.
We present a novel approach to designing continuous diffractive optical elements (DOEs) for laser beam shaping using diffractive neural networks (DNNs) with trainable polynomial phase masks. This method enables the creation of single phase ...
Xu-Zhen Gao,Xin-Yu Song,Jing-Rui Chen et al.
Xu-Zhen Gao et al.
In recent years, study of spatially structured light has become an attractive and promising area, providing more ways to explore unusual and anomalous effects in optics. Here, we propose a kind of polar-segmented vector optical field (VOF),...
Photoacoustic endoscopic probe based on lens scanning using a laterally tunable electrowetting liquid lens [0.03%]
基于横向可调电湿透镜扫描的光声内窥探头
Seungwan Seo,Kiri Lee,Sung Keun Yoo et al.
Seungwan Seo et al.
Most existing photoacoustic endoscopies (PAEs) rely on external scanning methods, which can result in a bulky and complex probe. We propose a laterally tunable liquid lens that enables direct focal point shifting, eliminating the need for a...
High-precision practical calibration method with virtual point constraint for line-structured light sensor [0.03%]
基于虚拟点约束的高精度实用标定方法研究线光栅传感器
Yuanbo Mu,Qingzhou Mao,Haoxuan Xu et al.
Yuanbo Mu et al.
In engineering measurement scenarios, factors such as wide fields of view, large depth of field can significantly degrade the accuracy of line-structured light sensors. Existing calibration methods struggle to overcome these adverse effects...
FMCW laser ranging system based on equal-frequency resampling with direct injection current modulaton [0.03%]
基于同频重采样的直接注入电流调制的连续波激光测距系统
Zhiyuan Gong,Xuanke Tong,Chuanxin Teng et al.
Zhiyuan Gong et al.
This paper describes a laser ranging system based on modulation signal resampling to address the nonlinearity of Frequency-modulated in frequency-modulated continuous wave (FMCW) lidar. Using a 1550 nm DFB laser as a frequency-modulated lig...
Research on an automatic light field refocusing method for a camera array [0.03%]
基于相机阵列的自动光场重聚焦方法研究
Yihua Pan,Yushan Zhao,Yuyang Li et al.
Yihua Pan et al.
Light field information includes the position and angle information of light in space. A camera array is one of the methods for obtaining light field information, which combines and arranges multiple cameras in space to achieve multi-angle ...
Crosstalk noise reduction of angle-multiplexed volume-holographic gratings for see-through lightguide display [0.03%]
用于透视导光板显示的角度复用体全息光栅串扰噪声抑制
Wen-Kai Lin,Shao-Kui Zhou,Yuan-Yan Liang et al.
Wen-Kai Lin et al.
Angle multiplexing is a crucial technique for volume holographic gratings in grating-based lightguide display systems, enabling an extended image field of view (FOV). However, Bragg mismatch diffraction caused by different angle-multiplexed...