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FIBER_LASERS: 作品数：203被引量：389H指数：9; 导出分析报告; 相关机构：南方科技大学更多>>; 相关期刊：《Journal of Electronic Science and Technology》《Science Bulletin》《Advanced Photonics Nexus》《Advanced Photonics》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划广东省自然科学基金更多>>

A widely tunable microwave photonic notch filter with adjustable bandwidth based on multi-wavelength fiber laser: 《Optoelectronics Letters》2017年第4期259-262,共4页LI Xin-yang CAO Ye XU Dong TONG Zheng-rong YANG Jing-peng; supported by the National Natural Science Foundation of China(No.11444001);the Municipal Natural Science Foundation of Tianjin in China(No.14JCYBJC16500); A widely tunable microwave photonic notch filter with adjustable bandwidth based on multi-wavelength fiber laser is proposed and demonstrated. The multi-wavelength fiber laser generates the multi-taps of the microwave...; 关键词：Bandpass filters BANDWIDTH Fiber lasers Finite difference method Frequency response Microwave filters

Numerical simulation and experimental investigation of Ti-6Al-4V melted by CW fiber laser at different pressures: 《Optoelectronics Letters》2017年第4期299-303,共5页Aasma Tabassum ZHOU Jie HAN Bing NI Xiao-wu Maryam Sardar; supported by the National Natural Science Foundation of China for Young Scholars(No.11402120);the Jiangsu Provincial Natural Science Foundation for Young Scholars(No.BK20140796);the Fundamental Research Funds for the Central Universities(No.30915015104); The interaction of continuous wave （CW） fiber laser with Ti-6A1-4V alloy is investigated numerically and experi- mentally at different laser fluence values and ambient pressures of N2 atmosphere to determine the mel...; 关键词：Aluminum Fiber lasers Heat conduction Heat transfer Laminar flow MELTING Metal melting Numerical models Ternary alloys Titanium alloys Tungsten alloys Vanadium alloys

Acquirement and enhancement of remote speech signals被引量：7: 《Optoelectronics Letters》2017年第4期275-278,共4页LIU Tao GUO Jin ZHANG He-yong YAN Chun-hui WANG Can-jin; supported by the National Natural Science Foundation of China(No.61205143); To address the challenges of non-cooperative and remote acoustic detection, an all-fiber laser Doppler vibrometer(LDV) is established. The all-fiber LDV system can offer the advantages of smaller size, lightweight des...; 关键词：AUDITION Fiber lasers Laser Doppler velocimeters Signal to noise ratio SPEECH Speech enhancement

A switchable and tunable ytterbium-doped fiber ring laser with a Sagnac loop mirror被引量：1: 《Optoelectronics Letters》2016年第4期261-263,共3页王晓亮陈达如马晓伟李海涛骆淑君; supported by the National Natural Science Foundation of China(No.61007029);the National High Technology Research and Development Program of China(No.2013AA031501);the Projects of Zhejiang Province in China(No.2010R50007);the Program for Science and Technology Innovative Research Team in Zhejiang Normal University; A switchable and tunable ytterbium-doped fiber ring laser(YDFL) is reported and demonstrated. Employing a Sagnac loop mirror fabricated by an 85-cm-long polarization-maintaining fiber(PMF), the proposed YDFL can opera...; 关键词：Fiber lasers Fibers Mirrors POLARIZATION POLARIZATION maintaining fiber Ring lasers YTTERBIUM

Tunable and switchable dual-wavelength erbium-doped fiber laser based on in-line tapered fiber filters: 《Optoelectronics Letters》2016年第4期264-267,共4页童峥嵘杨贺曹晔; supported by the National High Technology Research and Development Program of China(No.2013AA014201);the Tianjin Youth Science Foundation(No.13JCQNJC01800); A tunable and switchable dual-wavelength erbium-doped fiber laser(EDFL) based on all-fiber single-mode tapered fiber structure has been demonstrated. By adjusting the variable optical attenuator(VOA), the laser can be...; 关键词：Bandpass filters Electromagnetic wave attenuation ERBIUM Fiber lasers Multiplexing equipment Optical waveguides Wavelength division multiplexing

A variable coefficient microwave photonic filter based on multi-wavelength fiber laser and Mach-Zehnder interferometer: 《Optoelectronics Letters》2014年第6期401-405,共5页曹晔刘策童峥嵘; supported by the National High Technology Research and Development Program of China(No.2013AA014200);the National Natural Science Foundation of China(No.61107052);the Natural Science Foundation of Tianjin in China(No.14JCYBJC16500);the Science and Technology Development Fund Project of Tianjin University(No.2012); A microwave photonic filter(MPF) with variable coefficient is proposed and demonstrated, which is constructed by a multi-wavelength fiber laser and Mach-Zehnder interferometer(MZI). Through changing the slope characte...; 关键词：Bandpass filters Fiber lasers Fibers MACH Zehnder interferometers Phase modulation

A switchable dual-wavelength erbium-doped fiber laser based on saturable absorber and active optical fiber ring filter被引量：1: 《Optoelectronics Letters》2014年第6期434-438,共5页祝连庆陈青山赵冉冉娄小平何巍; supported by the Transformation and Industrialization of Scientific and Technological Achievements(Nos.PXM2013_014224_000077 and PXM2012_014224_000019);the Open Foundation of Beijing Engineering Research Center for Optoelectronic Information and Instrument(No.GD20130006); A dual-wavelength erbium-doped fiber laser(EDFL) with outstanding stability is presented. In the fiber laser system, two nested active optical fiber ring filters are configured to improve the comb spectrum performance...; 关键词：Active filters ERBIUM Fiber lasers Fibers Saturable absorbers

Research on the transverse mode competition in a Yb-doped 18-core photonic crystal fiber laser: 《Optoelectronics Letters》2012年第6期426-429,共4页王远姚建铨郑一博温午麒陆颖王鹏; supported by the National Basic Research Program of China(No.2010CB327801);the Key Program of National Natural Science Foundation of China(No.60637010); A model based on propagation rate equations is built up for analyzing the multicore Iransverse mode gain distribution in an 18-core photonic crystal fiber （PCF） laser. The two kinds of feedback cavities are used for...; 关键词：Computer simulation Fiber lasers Photonic crystal fibers YTTERBIUM

Design and analysis of spectral beam combining system for fiber lasers based on a concave grating: 《Optoelectronics Letters》2012年第1期33-36,共4页吴卓亮赵尚弘楚兴春张茜占生宝马丽华; supported by the National Natural Science Foundation of China(No.60678018); A novel fiber laser spectral beam combining scheme based on a concave grating is presented.The principle of the presented system is analyzed,and a concave grating with blazed structure for spectral beam combining is d...; 关键词：DIFFRACTION YTTERBIUM

Thermal distribution analysis of multi-core photonic crystal fiber laser: 《Optoelectronics Letters》2012年第1期13-16,共4页郑一博姚建铨张磊王远温午麒景磊邸志刚康建诩; supported by the National Basic Research Program of China(No.2010CB327801);the Key Program of National Natural Science Foundation of China(No.60637010);the Natural Science Research Project in University of Hebei Province(No.Z2010163); The thermal properties of photonic crystal fiber(PCF) laser with 18 circularly distributed cores are investigated by using full-vector finite element method(FEM).The results show that the 18-core PCF has a more effect...; 关键词：Cooling systems Fiber lasers Finite element method Photonic crystal fibers Thermal load Thermodynamic properties

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