Comparison of the DPAT network and a scaling law for the evaluation of Gaussian beam propagation in the atmosphere [0.03%]
DPAT网络与高斯光束大气传输评估的标度定律的比较
Xun Cui,Xiaowei Chen,Xianmei Qian et al.
Xun Cui et al.
We present and compare two methods for evaluating the far-field mean intensity of Gaussian beam propagation through the atmosphere. Using simulation data encompassing multiple scenarios, including turbulence and thermal blooming, we constru...
Far-field encircled radius of truncated Gaussian beams: a scaling law for arbitrary encircled power ratios [0.03%]
截断高斯光束的远场包络半径：任意能量比条件下的尺度定律
Xun Cui,Xiaowei Chen,Xianmei Qian et al.
Xun Cui et al.
In order to evaluate the far-field encircled radius of Gaussian beam propagation, we construct the scaling law from both theoretical and numerical aspects. First, we derived the theoretical formula of the far-field encircled radius for aper...
Spiral spectrum of a ring Airy vortex beam and a ring Airyprime vortex beam in atmospheric turbulence and a comparative analysis of their bit error rate and channel capacity [0.03%]
大气湍流中环Airy涡旋光束和环Airy′涡旋光束的螺旋光谱及其误码率和信道容量的比较分析
Jingying Che,Xianwei Huang,Hao Zhao et al.
Jingying Che et al.
Atmospheric turbulence significantly affects the propagation of light beams, which in turn impacts the quality of optical communication systems. However, the autofocusing beam is helpful in improving the propagation stability, resulting in ...
Characterization of the stroboscopic effect for OLED displays using the PWM dimming method [0.03%]
脉宽调制降频驱动的OLED显示屏strobo效应特性分析研究
Jiamin Guo,Minchen Wei,Rui Ding et al.
Jiamin Guo et al.
Organic light-emitting diode (OLED) displays have been widely used in smartphones in recent years. Manufacturers use the stroboscopic visibility measure (SVM) to characterize and compare the performance of OLED displays using the pulse-widt...
Mode conversion and propagation dynamics of controllable cross-phase beams in strongly nonlocal nonlinear media [0.03%]
强非局域非线性介质中可控交叉相位光束的模式转换和传播动力学
Meng Zhang,Yuan Zhou,Shi-Qiang Ruan et al.
Meng Zhang et al.
We conduct numerical simulations of the transmission of controllable cross-phase beams in strongly nonlocal nonlinear media (SNNM), investigate the underlying physical mechanisms of mode conversion in various beam structures, and analyze th...
Zhijie Huang,Tong Wu,Tianze Cui et al.
Zhijie Huang et al.
Variations in illumination conditions critically degrade color fidelity in digital images, thereby compromising the accuracy of downstream computer vision tasks. Building upon these historical principles, this paper proposes a self-attentio...
Evaluating the beam shape coefficients of a hollow vortex Gaussian beam by using the two-step indirect method based on the scalar translational addition theorem [0.03%]
基于标量平移叠加定理的两步间接法在求解空心涡旋高斯光束形貌系数中的应用研究
Yiqian Tian,Yu Wang,Haoyu Jiang et al.
Yiqian Tian et al.
The two-step indirect method for evaluating the beam shape coefficients (BSCs) of the electromagnetic field of a circular non-vortex Gaussian beam was recently proposed to simplify the analytical work in formulating the BSCs and to speed up...
Propagation characteristics of a focused perfect vortex beam array in slant-path non-Kolmogorov maritime atmospheric turbulence [0.03%]
斜路径非Kolmogorov海洋大气湍流中聚焦完美涡旋光束阵列的传输特性研究
Hong Yu,Bowen Yang,Hanyin Hu et al.
Hong Yu et al.
The propagation characteristics of high-energy lasers in slant-path non-Kolmogorov maritime atmospheric turbulence are complicated due to the competition between turbulence and thermal blooming effects. The exploration of laser beams with e...
Generation of high-intensity 3D Gaussian-like spots via near-field diffraction from 2D orthogonally chirped structures [0.03%]
通过二维正交啁啾结构的近场衍射产生高强度的三维高斯斑点
Mohammadreza Zarei,Saifollah Rasouli,Davud Hebri et al.
Mohammadreza Zarei et al.
This study presents a class of two-dimensional (2D) spatial-frequency-modulated structures with transmittance d1=0.10mm, in which the periodicity can vary along both the d2=0.30mm- and nc=1-axes. Specifically, the structure exhibits spatial...
Mapping 2D spatial structured light information onto 1D temporal speckle sequences [0.03%]
二维空间结构光信息到一维散斑序列的映射
Purnesh Singh Badavath,Vijay Kumar
Purnesh Singh Badavath
Conventional structured light recognition methods rely on spatially resolved imaging. These systems often suffer from low frame rates, sensitivity to alignment, and high computational demands. Such limitations hinder their use in real-time ...