Average-power scaling of in-band pumped, Tm-doped, fiber laser systems for high peak power pulsed operation [0.03%]
掺铥光纤激光器的平均功率放大研究用于高峰值功率脉冲运行
Mathias Lenski,Qian Xu,Philipp Gierschke et al.
Mathias Lenski et al.
This contribution explores the average-power scaling potential of in-band pumped, Thulium (Tm-) doped fiber amplifiers for high peak-power operation. These results have been obtained by pumping a Tm-doped, photonic crystal fiber at a wavele...
Higher order dispersion-managed solitons for the capacity enhancement of fiber optic communication systems [0.03%]
高阶色散管理孤子在光纤通信系统容量增强中的应用研究
Mohammad Khajezadeh,Shiva Kumar
Mohammad Khajezadeh
We examine a coherent communication system utilizing signaling based on fundamental dispersion-managed (DM) solitons and anti-phase bi-solitons (also known as anti-symmetric DM solitons) to enhance channel capacity. Analytical expressions f...
Improving high temperature resilience of fiber sensor embedded smart components through laser shock peening [0.03%]
基于激光冲击强化提高光纤传感智能结构件的高温服役性能研究
Shuda Zhong,Kehao Zhao,Dinh Son Nguyen et al.
Shuda Zhong et al.
This study explores the use of laser shock peening (LSP) to enhance material properties and high-temperature performance of fiber-sensor-fused smart parts fabricated by additive manufacturing (AM) methods. Using embedded fiber sensors as di...
Snapshot video through dynamic scattering medium based on deep learning [0.03%]
基于深度学习的动态散射介质快照视频透过技术
Felipe Guzmán,Esteban Vera,Ryoichi Horisaki
Felipe Guzmán
We present an end-to-end deep learning model designed to reconstruct up to eight frames from a single snapshot of a dynamic object passing through an unknown, time-varying scattering medium. Our approach integrates a coded aperture compress...
Imaging polarimetry of a few-pixel object with a division-of-focal-plane polarization imager [0.03%]
基于分焦平面法的偏振成像传感器几像素目标成像极化探测研究
Masada Tzabari
Masada Tzabari
We address the boundary for accurate imaging polarimetry of a few-pixel object via demosaicing of a division-of-focal-plane polarization imager and propose a new approach for improving retrieval beyond the said boundary. We examine, both by...
Self-calibration method for spiral CT geometric parameters based on data redundancy conditions [0.03%]
基于数据冗余条件的螺旋CT几何参数自校正方法
Bozhong Tan,Jinming Cheng,Qingguo Yang
Bozhong Tan
The geometric parameters of the CT system significantly influence the quality of reconstructed images and the accuracy of dimensional measurements. To achieve precise calibration of these parameters, this study develops a self-calibration m...
Four directional circular optical phased array for uniform two-dimensional beam steering at visible wavelength [0.03%]
一种可在可见光波段实现均匀二维光束扫描的四圆环型光学相控阵天线
Qianhan Zhang,Daixin Lian,Zixu Xu et al.
Qianhan Zhang et al.
Optical phased arrays (OPAs), owing to their remarkable capacity for rapid and precise beam steering, have emerged as a pivotal technology in various applications such as augmented reality, free-space optical communication, and optical imag...
Buffer gas enhancing of power conversion efficiency of a continuous-wave acetylene-filled fiber gas laser at the 3 μm wavelength [0.03%]
增缓冲气体连续工作的乙炔填充气纤芯激光器的转换效率研究
Zhuo Chen,Yunfu Li,Xinyue Zhu et al.
Zhuo Chen et al.
In this paper, we report the use of ammonia as the buffer gas in the acetylene-filled hollow-core fiber gas laser (A-HCFGL) in which the power conversion efficiency of continuous-wave (CW) operation reaches a record of 35.74%, the highest r...
Adiabatic perturbation theory for mode analysis in optical waveguides with large index variations without eigen value decomposition [0.03%]
无需本征值分解的大折射率对比情形光波导模式分析的绝热摄动理论研究
Junhe Zhou,Wenxin Hao,Ruichen Wang
Junhe Zhou
Eigen mode and eigen value evaluation is crucial in optical waveguide design and is quite time consuming. It is known that the perturbation method can compute the modes efficiently for an index perturbed structure based on the known eigen m...
Analytical design of freeform surface parameters of optical system based on double Zernike polynomials [0.03%]
基于双佐里基多项式的自由曲面光学系统分析化设计
Kai Wan,Zhiyuan Gu,Changxiang Yan
Kai Wan
This paper presents what we believe to be a novel approach for determining the parameters of freeform surfaces using double Zernike polynomials. We derive the analytical expressions for the double Zernike aberration contributions of freefor...