搜索结果: 1-6 共查到“光纤光学及技术 Sensing”相关记录6条 . 查询时间(0.484 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
2023/4/17
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...
Distributed Temperature Sensing Using Stimulated-Brillouin-Scattering-Based Slow Light
Distributed temperature sensing stimulated Brillouin scattering slow light
2016/12/2
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...
New Prospects for Poled Fiber Technology in Frequency Doubling and Sensing
Nonlinear optics fibers Fiber optics sensors Fiber optics components
2015/6/10
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...
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
2013/5/24
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...
Photonic Crystal Fiber with Ring-Core Hollow-Defect for Evanescent Wave Chemical Sensing
Photonic Crystal Fiber Ring-Core Hollow-Defect Evanescent Wave Chemical Sensing
2015/7/16
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 ...
High-resolution Refractive Index Sensing using Solid-core Photonic Crystal Fibers with High Index Infiltrations
High-resolution Refractive Index Sensing Solid-core Photonic Crystal Fibers
2015/8/4
We report the experimental demonstration of a refractive index sensor using scalable bandgap shift in two different structures of solid-core photonic crystal fibers. Resolution ~10 -7 refractive index...