thz

The main content of this thesis is listed as follows. ( 1) We construct a dual-band THz left-handed material based on fishnet structure.

主要研究内容如下：（1）基于渔网结构，构造一种太赫兹双通带左手材料。

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Based on metal SPPs and photonic crystal, some functional components at THz regime are studied in this thesis.

因此，本文基于金属表面等离子体激元和光子晶体，研究了太赫兹波段常用的若干功能器件。

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Transmission Characteristics of Stripline in THz Frequency Band

THz频段带状线的传输特性

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The main contents and conclusions are as follows: 1. The interband spectra in a QW driven by a THz field are investigated within the theory of density matrix.

用密度矩阵理论研究了太赫兹场作用下量子阱的光吸收谱。

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THz switch based on the double barrier RTS is studied.

研究了共振隧穿结的THz开关特性.

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Tunable THz Bloch oscillations ( BO ) in the superlattice and THz current oscillations in RTS are investigated.

研究了超晶格中的THz布洛赫振荡和共振隧穿结中的THz电流振荡特性.

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I hint thz t the faint saint painted the uasz printer with a pint of paint.

我暗示说虚弱的圣徒用了一品脱油漆涂印刷机.

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Mild cases of niacin deficiency respond to a well-balanced diet alone. Study on THz Spectra of Nicotinic Acid, Nicotinamide and Nicotine

轻症或可疑为烟碱酸缺乏症者只用均衡饮食治疗即可收到满意效果。烟酸和烟酰胺及烟碱的太赫兹光谱研究

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This thesis includes two parts: the study of three-dimensional optical storage inside transparent materials using femtosecond laser pulses and the study of generation and detection of THz radiation pulse.

本文由两方面的内容组成：飞秒激光在透明介质中的三维光存储的研究和THz辐射脉冲的产生与探测的研究。

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Studies of Several Effects in THz Time Domain Spectroscopy

THz时域频谱技术中若干效应的研究

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Simple argument of influence of electric and magnetic fields on THz

浅议电场和磁场对THz的影响

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Characteristic of Metallic Photonic Crystal in THz Range

太赫兹波在金属光子晶体中的传播特性

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Heat conduction investigations of the Si bridge in infrared emitter using micro-Raman scattering Characterization of the Organic Crystal DAST as a THz Emitter

Si微电阻桥温度分布与热传导特性的显微Raman光谱研究利用国内生长的有机晶体DAST作为THz源的研究

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We found six amino acids showed distinct fingerprint spectra in the THz region. Our result also suggests that we can identify the enantiomers and their racemic compounds by measuring the absorption spectra in the THz region.

结果表明，所研究的氨基酸在此波段有特征吸收峰，THz时域光谱能够鉴别对映异构体和他们的外消旋化合物。

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This research provides a theoretic basis for the development of THz devices.

研究结果为性能优良的THz器件开发提供了理论依据。

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The Craft and Design Technique of the THZ 1600 Type Coater Which in Spraying-Drawing Material

THZ1600型喷绘耗材涂布机的设计研究

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This paper repotted the characters of Terahertz pulse radiation to stimulant sand-dust storm by using THz-TDS.

使用太赫兹时域光谱技术研究了太赫兹脉冲对模拟沙尘的透射特性,得到不同沙尘条件下信号的透射光谱.

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The main waveguide design methods of THz QCL have been given and discussed by using two dimensional finite element methods.

采用二维有限元方法研究了THz QCL的波导特性。

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Research on Twelve-pulse Three-phase Rectifier with Auxiliary Circuit; Studies on THz Radiation Waveguides Based on Phase-matched Optical Rectification

带辅助电路的12脉波整流电路的研究相位匹配光整流THz辐射波导的研究

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BWO Continuous-Wave THz imaging is a new approach to non-destructive testing. This system is build by ourselves.

BWO连续太赫兹波成像是一种新的无损检测方法，该系统也是首都师范大学THz小组自主搭建的成像系统。

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finally, combining with the key lab construction of thz optoelectronics, the research works, which we are carrying out, are summarized.

最后，结合太赫兹光电子学重点实验室的建设，介绍我们实验室正在开展的研究工作。

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Absorption and dispersion of vegetable oil and animal fat in THz range

植物油和动物脂肪在THz波段的吸收和色散

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By simulating of transient field in the photoconductor of THz photoconductive antenna, the curve of instant electric current was given here, and the result was validated by FDTD method.

通过对THz光电导天线中瞬态电场的模拟，得到了芯片内瞬西安理工大学硕士学位论文态电流的变化曲线，并通过FDTD方法对瞬态电流模拟结果进行了验证。

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Another uses a femtosecond laser pulse to excite semiconductor surface and generates the broadband THz radiation with the spectral range between 0.2 THz and 2.6 THz, which is suitable for the study on THz time resolved spectroscopy.

另一套系统利用飞秒激光脉冲激发半导体表面，辐射出谱宽较大（0.2-2.6THz）的THz电磁波，应用于THz时间分辨光谱研究。

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new development of thz science and technology and thz lab construction

太赫兹科学技术的发展与实验室建设

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We provide the conceptual design of the radar and remote sensor which can penetrate the ground with THz radiation.

提出了太赫兹辐射穿地雷达与穿地遥感的概念设计。

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DAST is one kind of the most important materials in generating and detecting THz radiation for the reason that it has large optical nonlinear and electrooptic coefficients, low dielectric dispersion, large coherence length and ultra fast response time.

DAST因具有高的非线性和电光系数、低的介电常数、大的相干长度和快的响应时间等优点而在光整流法产生和探测THz波方面存在巨大应用潜力，目前对其研究较多。

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And the transmission properties of VOx thin films in THz band had a significantly frequency characteristics.

硅基氧化钒薄膜在太赫兹波段的透射性能具有显著的频率特性。

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The doping concentration in the active region has great effect on the waveguide property. With the increasing of doping concentration, the waveguide loss, threshold gain and current density of THz QCL increase, the confinement factor decrease. 3.

结果表明，随着有源区掺杂浓度的提高，波导损耗增加，阈值电流增加，波导限制因子降低。

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It is concluded that the home-grown DAST is a kind of high-efficiency THz material, and could become a good THz emitter and detector after the improvement in growing process.

结果表明，国内新生长的有机晶体DAST的确是一种高效率的THz产生晶体，优化生长条件后将可得到更高的产生效率。

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