Propagation characteristics of terahertz wave in hypersonic plasma sheath considering high temperature air chemical reactions
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DOI: 10.1016/j.ijleo.2019.164090
Abstract: Abstract In this work, the propagation characteristics of terahertz wave in the hypersonic plasma sheath is demonstrated and analyzed based on the realistic vehicle model and the high temperature air thermal chemical reactions. Based on… read more here.
Keywords: plasma sheath; propagation characteristics; air; characteristics terahertz ... See more keywords
Deterministic Terahertz Wave Control in Scattering Media
Sign Up to like & getrecommendations! Published in 2022 at "ACS Photonics"
DOI: 10.1021/acsphotonics.2c00061
Abstract: Scattering-assisted synthesis of broadband optical pulses is recognized to have a cross-disciplinary fundamental and application importance. Achieving full-waveform synthesis generally requires means for assessing the instantaneous electric field, i.e., the absolute electromagnetic phase. These are… read more here.
Keywords: terahertz wave; control; deterministic terahertz; phase ... See more keywords
A new principle of pulse detection based on terahertz wave plethysmography
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-09801-w
Abstract: This study presents findings in the terahertz (THz) frequency spectrum for non-contact cardiac sensing applications. Cardiac pulse information is simultaneously extracted using THz waves based on the established principles in electronics and optics. The first… read more here.
Keywords: wave plethysmography; principle; heart; rate ... See more keywords
Terahertz wave modulation properties of graphene with different excitation laser power
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DOI: 10.1039/d2ra04133b
Abstract: The terahertz wave modulation properties of graphene were investigated using an external 975 nm continuous wave laser with different power. Upon excitation laser, the transmission and modulation depth was measured using terahertz time-domain spectroscopy. The… read more here.
Keywords: terahertz wave; modulation; excitation laser; power ... See more keywords
Study on the attenuation characteristic of terahertz wave through a non-uniform magnetized plasma
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2018.1430621
Abstract: Abstract In this paper, the interaction between terahertz wave and a non-uniform magnetized plasma slab is investigated. The electric field distribution in non-uniform plasma is presented and used to calculate the attenuation of the electromagnetic… read more here.
Keywords: plasma; wave non; attenuation; terahertz wave ... See more keywords
Terahertz wave emission at an oblique incidence of the laser pulse on rarefied plasma
Sign Up to like & getrecommendations! Published in 2020 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/ab97f2
Abstract: The terahertz wave packet emission theory is constructed when an s-polarized laser pulse is incident on a semi-infinite plasma whose density is much lower than the critical value. The angular, spectral and energy characteristics of… read more here.
Keywords: incidence; plasma; laser; laser pulse ... See more keywords
Wide Frequency Tuning of Continuous Terahertz Wave Generated by Difference Frequency Mixing under Exciton-Excitation Conditions in a GaAs / AlAs Multiple Quantum Well
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.10.044035
Abstract: Continuous terahertz wave sources with narrow bandwidth and wide frequency tunability enable high-resolution terahertz spectroscopy and high-speed information communication. In this study, using the optical nonlinearity of excitons as the source of second-order nonlinear polarization,… read more here.
Keywords: frequency; multiple quantum; wide frequency; excitation ... See more keywords
Permeability enhancement of the KcsA channel under radiation of a terahertz wave.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.105.024104
Abstract: Potassium ion channels are essential elements in cellular electrical excitability and help maintain a resting potential in nonexcitable cells. Their universality is based on a unique combination of strong selectivity for K^{+} ions and near-diffusion-limited… read more here.
Keywords: kcsa channel; channel; terahertz wave; permeability enhancement ... See more keywords
Enhanced Terahertz Wave Generation via Stokes Wave Recycling in Non-Synchronously Picosecond Pulse Pumped Terahertz Source
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2934488
Abstract: Enhanced terahertz wave generation via Stokes wave recycling in a non-synchronously picosecond pulse pump configuration has been demonstrated. It is theoretically analyzed that under the condition of high pump peak power density, the oscillation of… read more here.
Keywords: wave generation; stokes wave; terahertz wave; via stokes ... See more keywords
Energy scaling and extended tunability of terahertz wave parametric oscillator with MgO-doped near-stoichiometric LiNbO3 crystal.
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DOI: 10.1364/oe.25.008926
Abstract: A widely tunable, high-energy terahertz wave parametric oscillator based on 1 mol. % MgO-doped near-stoichiometric LiNbO3 crystal has been demonstrated with 1064 nm nanosecond pulsed laser pumping. The tunable range of 1.16 to 4.64 THz… read more here.
Keywords: mgo; energy; mgo doped; wave parametric ... See more keywords
Concealed object enhancement using multi-polarization information for passive millimeter and terahertz wave security screening.
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DOI: 10.1364/oe.384029
Abstract: Passive millimeter and terahertz wave imaging has become a significant potential technique for human security check and scene monitoring. Due to the small difference of the brightness temperatures between human body and concealed objects, the… read more here.
Keywords: passive millimeter; polarization; concealed object; enhancement ... See more keywords