搜索结果: 1-15 共查到“光电子技术 sensing”相关记录17条 . 查询时间(0.09 秒)
光电信息大讲堂第210期：From discovery of random Raman lasing via natural Rayleigh scattering in ultra-long fibers to unique lasing and sensing features of multimode and multicore fibers with fs-inscribed regular and random 3D refractive-index structures
拉曼光纤激光器 输出光束 折射率光纤
2022/10/14
在二极管泵浦的拉曼光纤激光器的多模渐变折射率光纤中，通过飞秒脉冲刻写FBG，可产生接近衍射极限的输出光束。这一技术已经应用于工业（通信、生物医学、材料加工、基础设施和能源行业）中的各种激光和传感器系统。从超长光纤自然瑞利散射引起的随机拉曼激光的发现出发，主讲人将介绍使用fs脉冲刻写具有规则/随机的3D折射率结构的多模、多芯光纤的技术，以及新型光纤所具有的独特激光和传感性能，这种新型光纤有望在物理上...
近日，浙江大学本科生科研训练项目(SRTP)“浮游植物层次构建与其海洋学意义研究”课题成员——光电科学与工程学院2019级本科生杨一辰、潘杭凯和郑德康，利用激光雷达在探测海洋浮游植物薄层方面的高效性，分析了浮游植物薄层的特征和形成机理。该成果有助于海洋激光雷达技术的应用研究，并加深对海洋浮游植物薄层的认识与理解。
研究成果以”Characteristics and Formation Condi...
The optical sensing and detection conference will emphasize the principles, characteristics and performance of photonic sensor and measurement systems. The former focuses on new and advanced optical- ...
2017第14届量子感应和纳米电子学和光子学研讨会（Quantum Sensing and Nano Electronics and Photonics XIV）
2017 第14届 量子感应和纳米电子学和光子学 研讨会
2017/1/12
OPTO is organized into eight tracks. Choose a track and click to see the list of conferences.Review conference details by clicking on the titles below. These details include paper titles, authors, sch...
an integrated on-board laser range sensing system for on-the-way city and road modelling
Three-dimensional Laser Scanning GPS/INS Geometric Modelling
2015/9/1
Precise realistic models of outdoor environments such as cities and roads are useful for various applications. However, for a high level of detail, and a large size of environment to be digitized, one...
Distributed Temperature Sensing Using Stimulated-Brillouin-Scattering-Based Slow Light
Distributed temperature sensing stimulated Brillouin scattering slow light
2013/12/5
Distributed temperature sensing has been achieved by spatially resolved measurement of the probe time delay resulted from stimulated-Brillouin-scattering slow light. The temperature of a particular fi...
Perturbation theory for plasmonic modulation and sensing
Perturbation theory plasmonic modulation sensing
2011/8/10
We develop a general perturbation theory to treat small parameter changes in dispersive plasmonic nanostructures and metamaterials. We specifically apply it to dielectric refractive index and me...
Polyvinyl alcohol–coated hybrid fiber grating for relative humidity sensing
fiber Bragg grating tilted-fiber Bragg grating humidity sensing polyvinyl alcohol
2011/7/27
A relative humidity (RH) sensor based on a hybrid fiber grating coated with polyvinyl alcohol is proposed and demonstrated experimentally. The hybrid fiber grating is formed by superimposing a normal ...
Fiber optic pressure sensing with conforming elastomers.
Fiber optic pressure sensing conforming elastomers.
2010/12/27
A novel pressure sensing scheme based on the effect of a conforming elastomer material on the transmis-sion spectrum of tilted fiber Bragg gratings is presented. Lateral pressure on the elastomer incr...
Ring Topology Based Mesh Sensing System with Self-healing Function using FBGs and AWG
Optical sensing sensors Networks ring
2010/6/10
We propose and experimentally demonstrate a novel sensing system based on FBG sensors with comprehensive self-healing capability in a mesh-ring-based topology by utilizing the FSR and periodic filteri...
New Prospects for Poled Fiber Technology in Frequency Doubling and Sensing
Nonlinear optics fibers Fiber optics sensors Fiber optics components
2010/6/10
Second order nonlinearity can be created in silica fibre by poling. Practical electro-optic switches have been elusive. This paper describes new developments demonstrating real prospects for applicati...
Silicon-on-Insulator Ring-Shaped Photonic Crystal Waveguides for Refractive Index Sensing
Integrated optics devices Sensors Photonic crystals
2010/6/4
We present an integrated refractive index sensor based on a ring-shaped photonic crystal waveguide. We measured the shift in cut-off wavelength for different ambient refractive indices and we observed...
Mechanically induced long-period fiber grating in side-hole single-mode fiber for temperature and refractive sensing
Long-period grating Mechanically induced gratings Refractive index
2009/11/24
The inscription of a long-period grating in a side-hole single-mode fiber for sensing application is dem-onstrated. The grating is made by pressing a plate with a periodic groove against a short secti...
Sensing Ultra-Low-Power Radio Signals by Photonic Analog-to-Digital Conversion
Sensing Radio Signals Photonic Analog-to-Digital Conversion
2009/7/20
A time-stretched photonic analog-to-digital converter with optical amplification is proposed to sense ultra-low power signals for cognitive radio applications. Experimental results show that -65 dBm R...
Photonic Crystal Fiber with Ring-Core Hollow-Defect for Evanescent Wave Chemical Sensing
Photonic Crystal Fiber Ring-Core Hollow-Defect Evanescent Wave Chemical Sensing
2009/7/16
A doped-ring hollow-defect structure is proposed in photonic crystal fiber to acheive a higher evanescent field. Vectorial modal analysis with finite element method and experimental results confirmed ...