Sapphire fiber Bragg gratings array demodulated with the multi-peak auto-tracking algorithm for quasi-distributed high-temperature measurement [0.03%]
基于多峰自动跟踪算法的蓝宝石光纤布拉格光栅列阵用于高温分布式测量
Qingming Tan,Zhuoda Li,Jiafeng Wu et al.
Qingming Tan et al.
Sapphire fiber Bragg gratings (SFBGs) are promising high-temperature sensors in many harsh environments, such as aviation, nuclear power, and furnaces. Here, we proposed and experimentally demonstrated a quasi-distributed high-temperature s...
All-optical switch based on two-dimensional asymmetric electromagnetically induced grating in nanohybrid systems [0.03%]
基于纳米混合系统中二维非对称电磁诱导光栅的全光学开关
Tayebeh Naseri,Zeynab Maleki
Tayebeh Naseri
This study investigates (EIG) in a nanohybrid configuration involving a semiconductor quantum dot (SQD) and a core-shell bimetallic nanoparticle coated with graphene. The goal is to optimize interactions between plasmons and excitons. This ...
Research on the multi-source vibration identification method of distributed fiber sensing based on improved fast independent component analysis [0.03%]
基于改进快速独立成分分析的分布式光纤振动多源识别方法研究
Tianxiong Li,Jun Lin,Xin Zhao
Tianxiong Li
Distributed acoustic sensing (DAS) is a technology that uses optical fiber as a sensing unit to detect external vibration signals. Due to the high resolution and high sensitivity of DAS, it has great application potential in the detection o...
Transmission-type 2-bit coding polarization conversion metasurface with radiation characteristic [0.03%]
具有辐射特性的传输型二进制编码 polarization 转换超表面
Jia-Yuan Yin,Zhuojian Wu,Fengxia Li et al.
Jia-Yuan Yin et al.
A transmission-type 2-bit coding polarization conversion metasurface with radiation function is proposed in this paper. Polarization conversion is realized by two layers of grating structure and polarization conversion structure layer. Comp...
Enhanced third harmonic generation in nanospheres at the anapole mode under tightly focused radially polarized beams [0.03%]
紧聚焦径向偏振光照射下纳米球结构高阶 anomole 模式下的三次谐波增强效应研究
Yunyue Zhang,Mingyu Sun,Min Gu et al.
Yunyue Zhang et al.
The third harmonic (TH) signals in subwavelength scale devices have a wide range of applications, including nano-laser, microscopic imaging, sensing, and so on. However, the limited TH signal intensity still restricts practical applications...
Nick S Lemberger,Kristin Wallmeier,Carsten Fallnich
Nick S Lemberger
A compact and easy-to-use high-bandwidth autobalanced detector for microscopy is presented, being able to remove up to 67 dB of correlated noise, thus, allowing for shot-noise limited image acquisition even in the presence of high laser exc...
Fiber transmission model with parameterized inputs based on generative pre-trained physics-informed neural networks [0.03%]
基于生成预训练物理知识神经网络的参量化输入光纤传输模型
Yubin Zang,Boyu Hua,Zhipeng Lin et al.
Yubin Zang et al.
In this manuscript, a principle-driven fiber transmission model for short-distance transmission with parameterized inputs is put forward. By taking into account the previously proposed principle-driven fiber model as the basic solution solv...
Yanjun Fu,Xinlu Li,Guangyu Jiang et al.
Yanjun Fu et al.
The traditional phase shift measurement technique necessitates two orthogonally oriented fringe patterns to complete the phase measurement, which is time-consuming, and the phase modulation of the traditional fringe image exhibits only a gr...
Restoration of atmospheric turbulence-degraded images based on multi-frame information [0.03%]
基于多帧信息的大气湍流退化图像复原算法研究
Dequan Yang,Ziyang Chen,Yuanyuan Zhang et al.
Dequan Yang et al.
Atmospheric turbulence introduces random disturbances that degrade and distort images of observed targets as light propagates through the atmosphere. Although numerous algorithms have been developed to restore images degraded by turbulence,...
Effect of pixel size and lateral distortion on the accuracy of stitching interferometry for high-precision x-ray mirrors [0.03%]
像素大小和横向畸变对高精度x射线镜拼接干涉测量准确性的影响研究
Zhao Shi,Qiushi Huang,Amparo Vivo et al.
Zhao Shi et al.
Stitching interferometry is essential for X-ray mirror metrology where lateral distortion and pixel size are critical factors influencing its accuracy. Simulations and experiments reveal that 1% error in pixel size causes a 2% deviation in ...