Results 81 to 90 of about 677,067 (160)

Compact Ultra-Broadband Terahertz Radar-Based 3D Imaging System

99102We report on the integration of a photonic frequency-modulated continuous-wave (FMCW) terahertz radar with optomechanical components to build a mobile 3D imaging system.
Keil, Andreas, Mohammadzadeh, Shiva, Gundacker, Dominik, Hussung, Raphael, Friederich, Fabian   +4 more
core   +1 more source

Design of 2D TeraHertz band-gap photonic waveguides using an accelerated integral equation technique [PDF]

, 2009
This paper describes the application of the buffered block forward backward (BBFB) method to the problem of modeling 2D terahertz (THz) photonic band gap waveguides at the frequency of 3 THz.
D. Bogusevschi, E. Degirmenci, Degirmenci, Elif, Bogusevschi, Diana, C. Brennan, Brennan, Conor, Landais, Pascal, P. Landais   +7 more
core   +2 more sources

Sub-terahertz transmissive reconfigurable intelligent surface for integrated beam steering and self-OOK-modulation

Light: Science & Applications
Boasting superior flexibility in beam manipulation and a simpler framework than traditional phased arrays, terahertz metasurface-based phased arrays show great promise for 5G-A/6G communication networks.
Dongfang Shen, Feng Lan, Luyang Wang, Tianyang Song, Munan Yang, Tianyu Hu, Yueting Li, Xiaolei Nie, Jiayao Yang, Shixiong Liang, Hongxin Zeng, Hui-Fang Zhang, Pinaki Mazumder, Ziqiang Yang, Yaxin Zhang, Tie Jun Cui   +15 more
doaj   +1 more source

Terahertz bistatic three-dimensional computational imaging of hidden objects through random media

Scientific Reports
Random media pose limitations on the imaging capability of photoelectric detection devices. Currently, imaging techniques employed through random media primarily operate within the laser wavelength range, leaving the imaging potential of terahertz waves ...
Quanchun Yu, He Cai, Xianli Zhu, Zihao Liu, Hongcheng Yin, Liangsheng Li   +5 more
doaj   +1 more source

Electromagnetic Scattering Characteristics of Fractal Rough Coated Objects in the Terahertz Range

Leida xuebao, 2018
Based on the physical optics method, the scattering characteristics of fractal rough surface coated objects are studied in the terahertz (THz) range herein. A blunt model based on fractal rough surfaces is built.
Zhao Hua, Guo Lixin
doaj   +1 more source

3D Graphene Straintronics for Broadband Terahertz Modulation

Advanced Electronic Materials
The increasing utilization of terahertz (THz) bandwidth in both industrial and private sectors highlights the significance of efficient terahertz shielding and absorption devices.
Prabhat Kumar, Martin Šilhavík, Manas R. Parida, Petr Kužel, Jiří Červenka   +4 more
doaj   +1 more source

Terahertz Radome Inspection

Photonics, 2018
Radomes protecting sensitive radar, navigational, and communications equipment of, e.g., aircraft, are strongly exposed to the environment and have to withstand harsh weather conditions and potential impacts.
Fabian Friederich, Karl Henrik May, Bessem Baccouche, Carsten Matheis, Maris Bauer, Joachim Jonuscheit, Michael Moor, David Denman, Jamie Bramble, Nick Savage   +9 more
doaj   +1 more source

Fast Terahertz Computed-Tomography Imaging With a Quantum-Cascade Laser and a Scanning Mirror [PDF]

, 2013
A terahertz transmission imaging system based on a quantum-cascade laser (QCL), a fast scanning mirror, and a sensitive Ge:Ga detector is demonstrated. In order to reduce artifacts, special care was taken on the optics and the conversion of the measured
H.-W. Hubers, H. Richter, Richter, Heiko, Schrottke, Lutz, Grahn, H. T., Hübers, Heinz-Wilhelm, Wienold, Martin, Rothbart, Nick, M. Wienold, L. Schrottke, H. T. Grahn, N. Rothbart   +11 more
core   +1 more source

Power scaling of ultra-thin terahertz beam-splitters

, 2012
Extent: 2p.A low-cost ultra-thin broadband terahertz beam-splitter based on a thin conductive layer has previously been fabricated and tested. Here, this paper shows the linearity of power scaling of the beam-splitter from lower to higher power in ...
Ng, B., B. W.-H. Ng, B. M. Fischer, Lin, H., H. Lin, Fischer, B., Abbott, D., Ung, B., B. S.-Y. Ung, Fumeaux, C., C. Fumeaux, D. Abbott   +11 more
core   +1 more source

Long-Distance Terahertz Single-Photon 3-D Imaging Based on Scaling Training

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
In this article, to address the long-distance imaging problems, a novel forward-looking 3-D imaging method based on terahertz single-photon radar is presented. The imaging method is based on single-input and single-output architecture system and adopts a
Chuanying Liang, Chenggao Luo, Jun Yi, Bin Deng, Hongqiang Wang, Kang Liu, Qi Yang   +6 more
doaj   +1 more source