Roadmap of terahertz imaging 2021

G Valušis, A Lisauskas, H Yuan, W Knap, HG Roskos - Sensors, 2021 - mdpi.com
In this roadmap article, we have focused on the most recent advances in terahertz (THz)
imaging with particular attention paid to the optimization and miniaturization of the THz …

[ΒΙΒΛΙΟ][B] Handbook of terahertz technologies: devices and applications

HJ Song, T Nagatsuma - 2015 - books.google.com
Terahertz waves, which lie in the frequency range of 0.1-10 THz, have long been
investigated in a few limited fields, such as astronomy, because of a lack of devices for their …

A high-sensitivity AlGaN/GaN HEMT terahertz detector with integrated broadband bow-tie antenna

M Bauer, A Rämer, SA Chevtchenko… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Many emerging applications in the terahertz (THz) frequency range demand highly
sensitive, broadband detectors for room-temperature operation. Field-effect transistors with …

Heterodyne terahertz detection through electronic and optoelectronic mixers

YJ Lin, M Jarrahi - Reports on Progress in Physics, 2020 - iopscience.iop.org
The high sensitivity detection of terahertz radiation is crucial for many chemical sensing,
biomedical imaging, security screening, nondestructive quality control, high-data-rate …

Bessel terahertz imaging with enhanced contrast realized by silicon multi-phase diffractive optics

L Minkevičius, D Jokubauskis, I Kašalynas, S Orlov… - Optics express, 2019 - opg.optica.org
Bessel terahertz (THz) imaging employing a pair of thin silicon multi-phase diffractive optical
elements is demonstrated in continuous wave mode at 0.6 THz. A proposed Bessel zone …

Terahertz multilevel phase Fresnel lenses fabricated by laser patterning of silicon

L Minkevičius, S Indrišiūnas, R Šniaukas, B Voisiat… - Optics letters, 2017 - opg.optica.org
Multilevel phase Fresnel lenses (MPFLs) with a high numerical aperture for 0.58 THz
frequencies were developed. The components based on a monocrystalline silicon wafer are …

Imaging of broadband terahertz beams using an array of antenna-coupled microbolometers operating at room temperature

J Oden, J Meilhan, J Lalanne-Dera, JF Roux… - Optics express, 2013 - opg.optica.org
We present results of 2D real-time imaging of terahertz (THz) beam generated by a
photoconductive antenna driven by a femtosecond oscillator. The detector, operating at …

Camera for high-speed THz imaging

J Zdanevičius, M Bauer, S Boppel, V Palenskis… - Journal of Infrared …, 2015 - Springer
We present a 24× 24 pixel camera capable of high-speed THz imaging in power-detection
mode. Each pixel of the sensor array consists of a pair of 150-nm NMOS transistors coupled …

[HTML][HTML] Spatial filtering based terahertz imaging of low absorbing objects

A Siemion, L Minkevičius, L Qi, G Valušis - Optics and Lasers in …, 2021 - Elsevier
Terahertz (THz) imaging can serve as a versatile instrument to disclose contents of various
packages or discriminate its constituents. Particular attention deserves a case when …

Fibonacci terahertz imaging by silicon diffractive optics

D Jokubauskis, L Minkevičius, M Karaliūnas… - Optics letters, 2018 - opg.optica.org
Fibonacci or bifocal terahertz (THz) imaging is demonstrated experimentally employing a
silicon diffractive zone plate in continuous wave mode. Images simultaneously recorded in …