Hemispherical lens integrated room temperature ultra-broadband GaAs HEMT terahertz detector
Frontiers in Physics, 2023 Terahertz (THz) detection has been extensively studied in the application fields of wireless communication, non-destructive imaging and spectrum inspection, etc., in the decades.
Chenyu Yao +8 more
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Efficient photoconductive terahertz detection through photon trapping in plasmonic nanocavities
APL Photonics, 2021 We present a photoconductive terahertz detector that employs a plasmonic nanocavity to offer high-sensitivity and broadband operation when used in a terahertz time-domain spectroscopy system even at very low optical pump power levels.
N. T. Yardimci, D. Turan, M. Jarrahi
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New Antenna for Detecting Polarization States of Terahertz
Frontiers in Physics, 2022 The polarization measurement of terahertz (THz) waves is indispensable in THz time-domain spectroscopy (THz-TDS) applications to detect material properties.
Wei Shi +4 more
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Advances on terahertz single-pixel imaging
Frontiers in Physics, 2022 Single-pixel imaging is a novel imaging technique that can obtain image information through a single-pixel detector. It can effectively avoid the problem of lack of high-quality area array detectors in the terahertz band, and has attracted the attention ...
Qiao Hu +7 more
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Intracavity terahertz optical parametric oscillators [PDF]
, 2011 This thesis describes the design and implementation of several novel, nanosecond pulsed, intracavity optical parametric oscillators for the generation of terahertz radiation.
Walsh, David A.
core +2 more sources
Near-Field Analysis of Terahertz Pulse Generation From Photo-Excited Charge Density Gradients [PDF]
, 2015 Excitation of photo-current transients at semiconductor surfaces by subpicosecond optical pulses gives rise to emission of electromagnetic pulses of terahertz (THz) frequency radiation.
Natrella, M +12 more
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Design of wideband terahertz pyroelectric detector based on metasurface [PDF]
Journal of Hebei University of Science and TechnologyIn order to solve the problems of low absorption efficiency and small frequency range of traditional terahertz (THz) detectors, a broadband terahertz metasurface pyroelectric detector was proposed by combining a dual metasurface absorption array ...
Ming ZHANG +6 more
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A Hard Example Mining Approach for Concealed Multi-Object Detection of Active Terahertz Image
Applied Sciences, 2021 Concealed objects detection in terahertz imaging is an urgent need for public security and counter-terrorism. So far, there is no public terahertz imaging dataset for the evaluation of objects detection algorithms.
Ling Li +3 more
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Real-time terahertz imaging with a single-pixel detector
Nature Communications, 2020 Terahertz imaging is promising in many applications, but still relies on complex equipment. Here, the authors develop a simplified solution that enables terahertz real-time imaging using a single-pixel detector and rapid reconstruction methods.
Rayko Ivanov Stantchev +3 more
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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 +11 more
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