Review of active millimeter wave imaging techniques for personnel security screening

Z Wang, T Chang, HL Cui - IEEE Access, 2019 - ieeexplore.ieee.org
This paper reviews recent progress of active millimeter wave (mmW) imaging techniques for
personnel security screening. With the ability to penetrate clothing and the promised …

Terahertz compressive imaging with metamaterial spatial light modulators

CM Watts, D Shrekenhamer, J Montoya, G Lipworth… - Nature …, 2014 - nature.com
Imaging at long wavelengths, for example at terahertz and millimetre-wave frequencies, is a
highly sought-after goal of researchers, because of the great potential for applications …

Microstrip-fed quasi-Yagi antenna with broadband characteristics

Y Qian, WR Deal, N Kaneda, T Itoh - Electronics Letters, 1998 - IET
A compact and uniplanar antenna with broadband characteristics is presented. The novel
Yagi-like printed dipole array antenna is fed by a microstrip-to-coplanar strip transition, and …

Substrate-integrated millimeter-wave and terahertz antenna technology

K Wu, YJ Cheng, T Djerafi, W Hong - Proceedings of the IEEE, 2012 - ieeexplore.ieee.org
Significant advances in the development of millimeter-wave and terahertz (30–10 000 GHz)
technologies have been made to cope with the increasing interest in this still not fully …

A review of nonimaging stand-off concealed threat detection with millimeter-wave radar [application notes]

S Harmer, N Bowring, D Andrews… - IEEE Microwave …, 2012 - ieeexplore.ieee.org
There is now, more than ever before, a need for technologies that enable the screening of
people from a distance. A wide variety of weapons can be easily concealed under clothing …

Micromachining for terahertz applications

VM Lubecke, K Mizuno… - IEEE transactions on …, 1998 - ieeexplore.ieee.org
An overview of recent progress in the research and development of micromachined
antennas, transmission lines, waveguides structures, and planar movable components for …

140-GHz TE20-Mode Dielectric-Loaded SIW Slot Antenna Array in LTCC

J Xu, ZN Chen, X Qing, W Hong - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
A TE 20-mode substrate integrated waveguide (SIW) fed slot antenna array is proposed at
140 GHz for fabrication ease and cost reduction. The antenna array consists of a feeding …

Terahertz imaging systems with aperture synthesis techniques

V Krozer, T Löffler, J Dall, A Kusk… - IEEE Transactions …, 2010 - ieeexplore.ieee.org
This paper presents the research and development of two terahertz imaging systems based
on photonic and electronic principles, respectively. As part of this study, a survey of ongoing …

Two-dimensional scanning antenna array driven by integrated waveguide phase shifter

AB Guntupalli, T Djerafi, K Wu - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
A Butler matrix-fed two-dimensional (2-D) scan linearly polarized 2× 2 microstrip ring
antenna array (MRAA) is proposed and validated in low-cost substrate integrated …

Millimeter-wave and terahertz imaging in security applications

A Luukanen, R Appleby, M Kemp, N Salmon - Terahertz Spectroscopy and …, 2012 - Springer
The relatively short wavelength of mm-wave and THz radiation coupled with good
transmission through many dielectric materials allows images to be formed of concealed …