Real-time terahertz imaging with a single-pixel detector
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2020 Terahertz (THz) radiation is poised to have an essential role in many imaging applications, from industrial inspections to medical diagnosis. However, commercialization is prevented by impractical and expensive THz instrumentation.
R. Stantchev +3 more
semanticscholar +1 more source
Recent Advances in the Development of Materials for Terahertz Metamaterial Sensing
Advanced Optical Materials, 2021 Terahertz metamaterial sensing (TMS) is a new interdisciplinary technology. A TMS system employs terahertz waves as the pumping source, these then interact with the sample and carry the substance information, e.g., refractive index, absorption spectra ...
Suling Shen +6 more
semanticscholar +1 more source
Polarization-maintaining reflection-mode THz time-domain spectroscopy of a polyimide based ultra-thin narrow-band metamaterial absorber [PDF]
, 2018 This paper reports the design, the microfabrication and the experimental characterization of an ultra-thin narrow-band metamaterial absorber at terahertz frequencies.
Astorino, Maria Denise +8 more
core +2 more sources
Applications of Terahertz Spectroscopy in the Detection and Recognition of Substances
Frontiers of Physics, 2022 Recently, terahertz spectroscopy has received a lot of attention because of its unique properties such as biosafety, fingerprint spectrum, and good penetration.
Xiaojian Fu +4 more
semanticscholar +1 more source
Terahertz detection based on nonlinear Hall effect without magnetic field [PDF]
Proceedings of the National Academy of Sciences of the United States of America, 2021 Significance Despite the enormous potential of terahertz technology, fast, sensitive, and broadband terahertz detection at room temperature has been a challenge.
Yang Zhang, L. Fu
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Current tuned slotted Y‐branch laser for wafer thickness measurements with THz radiation
Electronics Letters, 2021 A slotted Y‐branch laser diode that emits two spectral modes at a difference frequency of about 1 THz is investigated in the context of photonic based cw‐THz measurements.
N. Surkamp +9 more
doaj +1 more source
Roadmap of Terahertz Imaging 2021
Italian National Conference on Sensors, 2021 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 imaging systems.
G. Valušis +4 more
semanticscholar +1 more source
A True Optoelectronic Spectrum Analyzer for Millimeter Waves With Hz Resolution
IEEE Access, 2021 We present an architecture for millimeter-wave spectrum analyzers with Hz resolution and precision based on heterodyne down-conversion using ErAs:InGaAs photoconductive mixers driven by a tunable ultra-narrow linewidth continuous-wave (CW) photonic local
Anuar De Jesus Fernandez Olvera +2 more
doaj +1 more source
Transient terahertz spectroscopy of excitons and unbound carriers in quasi two-dimensional electron-hole gases [PDF]
, 2009 We report a comprehensive experimental study and detailed model analysis of the terahertz dielectric response and density kinetics of excitons and unbound electron-hole pairs in GaAs quantum wells.
A. Sommerfeld +8 more
core +1 more source
Graphene for Terahertz Applications [PDF]
Science, 2013 The optoelectronic properties of graphene are being explored for possible use in plasmonics and metamaterials at terahertz frequencies.
Philippe Tassin +3 more
openaire +4 more sources