Investigation on phase matching in a THz-wave parametric oscillator 

The characteristics of noncollinear phase matching and quasi-phase-matching in the THz-wave parametric oscillator(TPO) are investigated.The expression of the ef...
《Optoelectronics Letters》  2012年 第01期 下载次数(43)| 被引次数(4)

Collinear phase-matching study of terahertz-wave generation via difference frequency mixed in GaAs and Inp 

The collinearly phase-matching condition of terahertz-wave generation via difference frequency mixed in GaAs and InP is theoretically studied. In collinear phas...
《Optoelectronics Letters》  2008年 第03期 下载次数(37)| 被引次数(4)

High-power picosecond terahertz-wave generation in photonic crystal fiber via four-wave mixing 

Generation of picosecond terahertz(THz)-wave via four-wave mixing in a photonic crystal fiber (PCF) was demonstrated.This was accomplished by using a dispers...
全国第15次光纤通信暨第16届集成光学学术会议论文集  2011-06-26 下载次数(8)| 被引次数(0)

A numerical study on matching relationships of gravity waves in nonlinear interactions 

Applying a fully nonlinear numerical scheme with second-order temporal and spatial precision,nonlinear interactions of gravity waves are simulated and the match...
《Science China(Earth Sciences)》  2013年 第06期 下载次数(22)| 被引次数(1)

Theoretical study of phase-matching properties for tunable terahertz-wave generation in isotropic nonlinear crystals 

Theoretical investigation of the phase-matching properties for the tunable coherent terahertz wave generation in the isotro- pic semiconductor nonlinear materia...
《Optoelectronics Letters》  2007年 第02期 下载次数(48)| 被引次数(3)

AIR-COUPLED TRANSDUCER WITH A HOLLOW GLASS MICROSPHERES FILLED EPOXY RESIN MATCHING LAYER 

Background, Motivation and Objective Air-coupled ultrasonic transducer is a kind of non-contact ultrasonic testing transducer. The main problem among the develo...
2016年全国压电和声波理论及器件应用研讨会论文摘要集  2016-10-21 下载次数(8)| 被引次数(0)

Tuning and Matching of Constant Impedance Travelling Wave Accelerating Structure 

As the penetration depth of electron accelerated by 10MeV electron irradiating accelerator is deep,and the accelerator has broad application prospects.The pe...
《Annual Report of China Institute of Atomic Energy》  2015年 第00期 下载次数(4)| 被引次数(0)

Multiple-mode phase matching in a single-crystal lithium niobate waveguide for three-wave mixing 

Developing natural free space frequency upconversion is essential for photonic integrated circuits. In a singlecrystal lithium niobate thin film planar wavegu...
《Chinese Optics Letters》  2017年 第09期 下载次数(9)| 被引次数(1)

Research on Single-end Traveling Wave Based Protection and Fault Location Method Based on Waveform Uniqueness and Feature Matching in the Time and Frequency Domain 

Single-ended traveling-wave-based protection and fault location has been available for several years,providing advantages of low cost and no requirement for ...
《中国电机工程学报》  2018年 第05期 下载次数(24)| 被引次数()

Second Harmonic Generation of Lamb Wave in Numerical Perspective 

The influences of phase and group velocity matching on cumulative second harmonic generation of Lamb waves are investigated in numerical perspective.Finite elem...
《Chinese Physics Letters》  2016年 第10期 下载次数(32)| 被引次数(4)

基于MEMS技术的微型高频(100-300兆赫兹)超声线性相控阵换能器 

超声相控阵换能器由多个独立的压电晶片组成阵列,按一定的规则和时序用电子系统控制激发各个晶片单元,来调节控制焦点的位置和聚焦的方向。相比于传统的单探头换能器,极大地提高了检测效率和可靠性。 超声相控阵技术已有20多年的发展历史。最初主要应用于医疗领域,如医学超声成像中用相控阵换能器快速移动声束对被检器官成像、大功...
复旦大学  博士论文  2011年 下载次数(976)| 被引次数(1)

Phase-matching analysis of four-wave mixing induced by modulation instability in a single-mode fiber 

Four-wave mixing induced by modulation instability in a single-mode fiber is analyzed from the phase-matching point of view. For the two-channel transmission, a...
《Chinese Physics B》  2012年 第09期 下载次数(38)| 被引次数(2)

多波高精度匹配方法研究 

多波多分量地震勘探技术是地震勘探领域里面不可或缺的技术,而多波多分量技术里面的多波匹配技术在分析和解释多波资料方面发挥着十分重要的作用,多波资料品质的好坏直接决定着多波联合解释和联合反演的难易程度。因此,研究多波匹配技术对地震勘探很重要。目前的多波匹配技术存在的主要问题是精度不高。第一,目前的多波初始匹配基本上是通过单...
电子科技大学  硕士论文  2016年 下载次数(58)| 被引次数(0)

Theoretical analysis of stimulated polariton scattering from the A_1-symmetry modes of KNbO_3 crystal 

Stimulated polariton scattering(SPS) based on noncollinear phase matching scheme from the A_1-symmetry modes of KNbO_3 crystal is investigated for generating te...
《Optoelectronics Letters》  2017年 第05期 下载次数(29)| 被引次数()

Design of Passive Wireless Interface Module Reactance Sensor Based on Surface Acoustic Wave 

Based on Surface Acoustic Wave Resonator(SAWR),the SAWR equivalent circuit is built,and its model is established,so the circuit parameters of SAWR are obtained ...
2013全国压电和声波理论及器件技术研讨会论文集  2013-10-25 下载次数(10)| 被引次数(0)

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