机构

• 重庆绿色智能技术研究... [2]
• 长春光学精密机械与物... [1]
• 上海微系统与信息技术... [1]
• 上海应用物理研究所 [1]
• 上海技术物理研究所 [1]
• 西安光学精密机械研究... [1]
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采集方式

• OAI收割 [9]

内容类型

• 期刊论文 [8]
• 会议论文 [1]

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• 2022 [1]
• 2020 [1]
• 2019 [2]
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学科主题

• Physics [1]
• 红外基础研究 [1]

筛选

浏览/检索结果: 共9条，第1-9条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Terahertz detection of thin defects thickness based on Hilbert transform and power spectrum estimation 期刊论文  OAI收割 JOURNAL OF INFRARED AND MILLIMETER WAVES, 2022, 卷号: 41, 期号: 3, 页码: 589-596 作者:  Wang Jie;  Tan Bing-Chong;  Tao Xing-Zhu;  Xu Cheng-Cheng;  Chang Tian-Ying   |  收藏  |  浏览/下载：41/0  |  提交时间：2022/10/14 terahertz time domain spectroscopy  thickness estimation  Hilbert transform  power spectrum estimation  glass fiber laminate   基于太赫兹时域光谱技术的白色软玉产地鉴定研究 期刊论文  OAI收割 岩石矿物学杂志, 2020, 卷号: 39, 期号: 3, 页码: 314 作者:  杨婷婷;  王璇;  黄博;  臧子漪;  王洁   |  收藏  |  浏览/下载：42/0  |  提交时间：2020/08/24 terahertz time-domain spectroscopy  absorption spectrum  refractive index  white nephrite  origin  太赫兹时域光谱  吸收光谱  折射率  白色软玉  产地   Responsivity and noise characteristics of AlGaN/GaN-HEMT terahertz detectors at elevated temperatures 期刊论文  OAI收割 CHINESE PHYSICS B, 2019, 卷号: 28, 期号: 5 作者:  Tian, Zhi-Feng;  Xu, Peng;  Yu, Yao;  Sun, Jian-Dong;  Feng, Wei   |  收藏  |  浏览/下载：64/0  |  提交时间：2019/12/26 terahertz detection  gallium nitride  noise spectrum  responsivity   TERAHERTZ SPECTROSCOPIC INVESTIGATION OF SALICYLIC ACID AND SODIUM SALICYLATE 期刊论文  OAI收割 JOURNAL OF APPLIED SPECTROSCOPY, 2019, 卷号: 85, 期号: 6, 页码: 1143-1150 作者:  Ding, L.;  Fan, W. -H.;  Song, C.;  Chen, X.   |  收藏  |  浏览/下载：80/0  |  提交时间：2019/04/30 terahertz spectrum  density functional theory  intermolecular interactions  intramolecular vibrations   Terahertz spectra of L-phenylalanine and its monohydrate 期刊论文  OAI收割 SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 2017, 卷号: 178, 页码: 19-23 作者:  Pan, TT;  Li, SP;  Zou, T;  Yu, Z;  Zhang, B   |  收藏  |  浏览/下载：87/0  |  提交时间：2017/12/08 L-phenylalanine  Monohydrate  Terahertz Absorption Spectrum  Low-frequency Vibration  Dft   Extraction of material parameters of a bi-layer structure using Terahertz time-domain spectroscopy 期刊论文  OAI收割 SCIENCE CHINA-INFORMATION SCIENCES, 2014, 卷号: 57, 期号: 8, 页码: 0 作者:  Jin BiaoBing;  Zhang CaiHong;  Shen XiaoFang;  Ma JinLong;  Chen Jian 收藏  |  浏览/下载：122/0  |  提交时间：2014/11/20 material parameter  Terahertz spectrum  extraction method  anti-reflection coating layer  THz-time-domain spectroscopy   Spectrum Analysis of 2-D Plasmon in GaN-Based High Electron Mobility Transistors 期刊论文  OAI收割 IEEE J SEL TOP QUANT, 2013, 卷号: 19, 期号: 1 LinWang; Xiao-ShuangChen; Wei-DaHu; WeiLu 收藏  |  浏览/下载：27/0  |  提交时间：2014/11/10 Highelectronmobilitytransistors(HEMTs)  plasmonics  spectrum  terahertz(THz)detectors   Spectral Research on an AlGaAs Epitaxial Material for a Terahertz Quantum-cascade Laser 期刊论文  OAI收割 JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 2012, 卷号: 60, 期号: 8, 页码: 1267-1269 Tan, ZY; Cao, JC 收藏  |  浏览/下载：107/0  |  提交时间：2013/04/22 Grazing incidence spectrum  AlGaAs epitaxy material  Terahertz quantum-cascade laser   Analysis of spectrum narrowing of diode laser bar (EI CONFERENCE) 会议论文  OAI收割 Semiconductor Lasers and Applications III, November 12, 2007 - November 13, 2007, Beijing, China 作者:  Liu Y.;  Wang L.;  Wang L.;  Wang L.;  Liu Y. 收藏  |  浏览/下载：18/0  |  提交时间：2013/03/25 Laser diode bar (LDB) are used increasingly often for many applications  but spectral bandwidth of LDB are generally approximately 2-4nm  far too wide for many demanding applications  e.g. spin-exchange optical pumping  terahertz generation  and lidar. External-cavity feedback can improve the spectral properties of LD or LDB. However  spectrum narrowing of LDB is more difficult than that of LD. Bar curvature (i.e. "smile") produced in the manufacturing process affects the spectrum narrowing greatly. By geometrical optics approach and ORIGIN software  smile which can be corrected by plano-convex cylindrical lens is simulated and the result is in good agreement with experiment. The selection of grating which is also a critical factor of spectrum narrowing will be stated. Finally  an external cavity consisting of fast axis collimator  two plano-convex cylindrical lens and a diffraction grating is used. The scheme is implemented on a 19-element LDB and yields 3-fold reduction in spectral linewidth under the situation that all optical elements in the system which are not optimized. Further  we use a slit in the experiment and analyze the spectrum narrowing of each element in LDB.