Xuejiao Xie,Shujuan Yu,Yanpeng Li et al.
Xuejiao Xie et al.
We investigate odd-even high-harmonic generation (HHG) of oriented asymmetric molecule NO. We focus on the effect of the structure of the molecule with nodal planes on the generation mechanism of odd-even harmonics parallel and perpendicula...
Tunable CW and 222 fs mode-locking laser performances of Nd:LYMO crystal [0.03%]
Nd:LYMO晶体的可调谐连续激光和222fs锁模性能研究
Lijuan Chen,Yingshuang Shan,Hongqing Li et al.
Lijuan Chen et al.
The exploration of laser performance for novel laser crystals with superior optical properties is crucial for advancements in laser technology. In this paper, the performances of tunable continuous wave (CW) and mode-locking pulses based on...
Real-time single-element-detection structured illumination optical metrology for laser powder bed fusion [0.03%]
用于激光粉末床熔化的实时单元素检测结构光照明光学计量学
Scott Hunter,Daniel Scarbrough,Seth Cottrell et al.
Scott Hunter et al.
Laser powder bed fusion (LPBF) is a type of metal additive manufacturing which could benefit from improved process monitoring to improve quality control. We demonstrate, for the first time to our knowledge, the coaxial monitoring of melt tr...
Ultra-sensitive active whispering gallery mode sensor in an optofluidic microcapillary with Vernier effect of coupled modes [0.03%]
具有模式耦合弗里效应的光波导微流控芯片活性耳语回廊模式传感器用于生物分子检测研究
Biao Li,Liying Liu,Lei Xu
Biao Li
Ultrahigh sensitivity is achieved in an optofluidic microcapillary active sensor by utilizing the Vernier effect of coupled whispering gallery modes. A refractive index sensitivity of 2924 nm/RIU is obtained experimentally, which is 7 times...
Sub-100 f ε resolution strain sensing based on an optical fiber frequency comb [0.03%]
一种基于光纤频率梳的百飞赫兹应变传感技术研究
Xinlong Li,Yongqi Li,Shun Wu
Xinlong Li
In this paper, we report a high-resolution optical fiber strain sensing system based on optical frequency comb (OFC) beat-frequency demodulation. This system enables both static and dynamic strain detection, featuring a large dynamic strain...
DDSSnet: a fast strain demodulation approach for OFDR-based fiber shape reconstruction [0.03%]
一种基于OFDR的光纤形变重建快速解调方法-DDSSnet
Aoyan Zhang,Weixuan Zhang,Linqi Cheng et al.
Aoyan Zhang et al.
In optical fiber shape sensing technology, enhancing sensing accuracy while simultaneously achieving real-time shape reconstruction presents a notable challenge. This work presents a fast strain demodulation algorithm for the optical freque...
Retrieving oceanic constituents and inherent optical properties in global oceans using multi-angular polarimetric measurements [0.03%]
基于多角度偏振观测的全球海洋水色要素和固有光学特性反演研究进展
Jia Liu,Chunxia Li,Xianqiang He et al.
Jia Liu et al.
Multi-angle polarization characteristics of water-leaving radiation are crucial for the retrieval of the oceanic constituents and the inherent optical properties (IOPs). However, the feasibility of using the polarization spectrum to retriev...
Shaping ultrafast Bessel-like beamlets for single-pass laser chamfering of glass [0.03%]
用于玻璃单次激光倒角的超短贝塞尔类光束整形方法
Craig Ungaro,Lauren L Taylor,Zheng Xiong et al.
Craig Ungaro et al.
A methodology to micro-machine glass with a chamfered edge geometry using a single-pass ultrafast laser process is described. An input laser source is shaped into three spatially and temporally coordinated Bessel beamlets with controlled ph...
Agarose-coated-FBG-based humidity sensing system based on the Vernier effect in an optoelectronic oscillator [0.03%]
一种基于琼脂糖涂层光纤布拉格光栅的光电振荡器维恩效应湿度传感系统
Hao Chen,Jiahui Lin,Weiyu Dai et al.
Hao Chen et al.
In this paper, an agarose-coated fiber Bragg grating (AC-FBG)-based humidity sensing system with high sensitivity, leveraging the Vernier effect in an optoelectronic oscillator (OEO), is proposed and experimentally demonstrated. Changes in ...
Simultaneous on-chip generation of violet, blue, cyan, green, yellow, orange, and red light from an octave-spanning infrared frequency comb [0.03%]
从八倍频程红外频率梳同时产生紫、蓝、青、绿、黄、橙和红光
Mateus Corato-Zanarella,Xingchen Ji,Alexander L Gaeta et al.
Mateus Corato-Zanarella et al.
An integrated, multi-spectral visible-light source could significantly benefit technologies such as displays, medical imaging, spectroscopy, visible-light communications, and astrophysics. However, despite recent advances in chip-scale visi...