A study on periodic poling of different compositions of MgO:LiNbO_3;
周期极化掺镁不同组分LiNbO_3晶体的研究
The electric field distribution of electric field periodic poling of ferroelectric is analyzed by finite element method in this paper.
本文采用有限元方法分析外加电场法对铁电体进行周期极化时的电场分布,讨论尖端效应对极化的影响,比较两种不同的电极设计方案—梳形电极和框形电极的优劣。
The influence of wave form and periodic electrode on periodic poling had been studied systemically.
采用外加电场法制备了周期极化LiNbO3单晶(PPLN),实现LiNbO3单晶周期极化的反向脉冲为24。
The time series of IGS stations in China are studied using spectrum analysis and wavelet analysis,and their periodic variation characteristics are shown.
利用谱方法和小波技术分析了我国IGS站坐标时间序列,阐述了其周期变化特征,即绝大部分台站在N、E、U方向都具有半年周期性、年周期性,U方向周期特性相对明显,同时台站的主要周期成分和时频局部特性又具有一定区域性。
Finding that there exists periodic variation about diurnal solar time and semi-diurnal solar time in rate of the cosmic ray.
利用小波变换,结合折叠周期分析方法,对羊八井宇宙线观测站Tibet II/HD阵列1997年11月到1998年6月的实验记录数据进行了周期分析,发现1TeV～10TeV宇宙线流强中存在着太阳日和半太阳日的周期变化。
From the morphology of the spiral jet, it is found that there is a periodic variation in the structure of the jet, with a period of about 8-9 days.
通过对上海天文台佘山观测基地１９９７年３月至５月初期间所得到的Ｈａｌｅ－Ｂｏｐｐ彗 星喷流观测资料的处理和分析，发现该彗星的喷流结构有周期性变化，其周期为８—９ 天，这种周期变化可能与彗星的自转轴在空间的进动周期有关。
Change oil by the quality and the determination of the testing cycle of lubricating oils for engines;
发动机按质换油与化验周期的确定
On the basis of measured mud fluid data in the Northern Channel of Changjiang Estuary in China,the periodical changes of mud fluid are discussed.
根据2000年长江口北槽浮泥的实测资料,分析浮泥厚度和体积等几何尺度随时间的变化,发现长江口北槽浮泥存在日、半月和年际三种周期变化;日周期的变化受潮流动力周期的控制,这是由潮流冲刷浮泥形成的悬沙并再絮凝沉积造成的;半月周期的变化受潮流半月周期变化引起的泥沙供给量的变化控制;年周期的变化主要是由影响细颗粒泥沙絮凝沉积的长江口水温的年度变化所控制,泥沙供给和动力的年周期变化也有一定的影响。
Frequency Conversion Based on Periodically Poled Lithium Niobate Waveguide;
周期极化铌酸锂波导的频率变换研究
The Research on Quasi-Phase-Matched Optical Parametric Generation Based on Periodically Poled Crystal;
周期极化晶体准相位匹配光学参量产生的研究
Periodically-poled KTP Crystal Fabrication and Characterization of Second Harmonic Generation Reseach;
周期极化KTP晶体的研制及其倍频特性研究
Frequency Doubling with Periodically Poled KTP at the Fundamental Wave of Cesium D_2 Transition;
利用周期极化KTP晶体外腔倍频铯原子D_2线激光
Intra-Cavity Second Harmonic Generation Based on Periodically Poled Stoichiometric LiTaO_3
周期极化钽酸锂晶体腔内倍频实验研究
Stable Second Harmonic Generation 461 nm Blue Radiation by PPKTP Crystal
用周期极化KTP晶体高效倍频获得稳定461 nm激光
Design of high brightness entangled source based on periodically poled KTiOPO_4 crystal
基于周期极化KTiOPO_4晶体的高亮度纠缠源研制
Measuring and Analyzing Infrared Spectrum of Periodically Polarized Lithium Niobate
周期极化铌酸锂晶体的红外光谱测量分析
Multifrequency terahertz generation in a customed aperiodically poled lithium niobate
定制非周期极化LiNbO_3中多频率THz波的产生(英文)
Improved Design of Aperiodically Poled Crystals and Experimental Study on Quasi-phase-matched Intra-cavity Frequency Doubling;
非周期极化晶体的优化设计及准相位匹配内腔倍频的实验研究
High Efficiency Periodically Poled Lithium Niobate with MgO Optical Parametric Oscillator 2.7 μm Laser with 11.8 W Output Power
11.8W高效率掺氧化镁的周期极化铌酸锂晶体光参量振荡2.7μm激光器
Study on Fabrication of Periodically Poled LiNbO_3 and Application Research of Quasi-phase-matched Technology;
周期极化铌酸锂晶体的制备及其准相位匹配技术的应用研究
Study on Quasi-phase-matched Technology Based on Periodically Poled LiNbO_3 and LiTaO_3;
基于周期极化铌酸锂和钽酸锂的准相位匹配技术研究
Research on the Theory and Application of Electro-optic Effect in Quasi-phase-matching Nonlinear Optics Based on Periodically Poled Lithium Niobate;
准位相匹配非线性光学中基于周期极化铌酸锂的电光效应研究
Study on Angle-tuned Optical Parametric Oscillator Based on Periodically Poled Lithium Niobate;
基于周期极化铌酸锂晶体的角度调谐光学参量振荡器
Second Harmonic Generation of Periodically Poled Microstructure Using Ultra-short Laser Pulses
周期极化微结构超短脉冲倍频的理论和实验研究
Low Threshold Singly-resonant Optical Parametric Oscillator Based on Periodically Poled MgO:LiNbO_3
低阈值单谐振周期极化掺镁铌酸锂光参量振荡器
The current evolutions during address and sustain periods of different electrodes,were calculated,respectively.
给出了寻址周期和维持周期各电极上的电流变化过程。