Effect of Gallium Arsenide Charge Carrier Life Time on the Generation and Detection Efficiency of Continuous and Pulsed Terahertz Radiation
Sign Up to like & getrecommendations! Published in 2021 at "Russian Physics Journal"
DOI: 10.1007/s11182-021-02262-0
Abstract: A configuration and test samples of photoconductive dipole antennas based on SI-GaAs:Cr and LT-GaAs for generation and detection of terahertz radiation are developed. Their operating characteristics in the pulsed mode and in the mode of… read more here.
Keywords: effect gallium; generation detection; terahertz radiation;
Quantitative video-rate hydration imaging of Nafion proton exchange membranes with terahertz radiation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2019.227665
Abstract: Abstract Nafion membranes are considered as the industry standard electrolyte material for proton exchange membrane fuel cells. These membranes require adequate hydration in order to reach a high proton conductivity. The relatively high sensitivity of… read more here.
Keywords: proton exchange; nafion; water; liquid water ... See more keywords
Terahertz-elasticity for single crystal silicon
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2020.106396
Abstract: Abstract Terahertz radiation has been used to obtain material's internal information because of its penetrability to optically opaque materials. In this paper, terahertz radiation is adopted to characterize the stress in single crystal silicon. Firstly,… read more here.
Keywords: single crystal; crystal silicon; terahertz elasticity; silicon ... See more keywords
Enhanced plasmonic rectification of terahertz radiation in spatially periodic graphene structures towards the charge neutrality point
Sign Up to like & getrecommendations! Published in 2019 at "Solid-State Electronics"
DOI: 10.1016/j.sse.2019.04.004
Abstract: Abstract The rectification of terahertz radiation in a periodically almost-depleted graphene structures with dual grating gate is studied. Plasmonic electron-hole ratchet based rectified current grows with decreasing the Fermi energy of charge carriers in the… read more here.
Keywords: rectification terahertz; rectification; terahertz radiation; charge ... See more keywords
Effective factors on twisted terahertz radiation generation in a rippled plasma
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Plasma Physics"
DOI: 10.1017/s0022377816001276
Abstract: Based on the beating of two Laguerre–Gaussian laser beams in a rippled plasma medium, the effective factors such as plasma density, Gouy phase and orbital angular momentums of input lasers on the output twisted terahertz… read more here.
Keywords: twisted terahertz; terahertz radiation; effective factors; rippled plasma ... See more keywords
Coherent Terahertz Radiation from Multiple Electron Beams Excitation within a Plasmonic Crystal-like structure
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep41116
Abstract: Coherent terahertz radiation from multiple electron beams excitation within a plasmonic crystal-like structure (a three-dimensional holes array) which is composed of multiple stacked layers with 3 × 3 subwavelength holes array has been proposed in this paper.… read more here.
Keywords: radiation; electron beams; structure; electron ... See more keywords
Convergence of terahertz radiation and nanotechnology
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Chemistry C"
DOI: 10.1039/d0tc01716g
Abstract: There is a growing number of advanced applications that integrate nanotechnology and terahertz radiation. The development of these niche applications has relied on convergent multidisciplinary techniques in conjunction with developments in advanced nanomaterials. The synergistic… read more here.
Keywords: nanotechnology; convergence terahertz; radiation nanotechnology; terahertz radiation ... See more keywords
Effect of pump depletion and cross-focusing on twisted terahertz radiation generation
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4976121
Abstract: In this paper, the pump depletion and cross-focusing effects on the generation of twisted terahertz radiation are investigated. Based on the beating of two Laguerre-Gaussian lasers in a radial plasma channel, a twisted terahertz radiation… read more here.
Keywords: pump; twisted terahertz; pump depletion; terahertz radiation ... See more keywords
Terahertz Radiation from a Longitudinal Electric Field Biased Femtosecond Filament in Air
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/37/6/065201
Abstract: The Terahertz (THz) temporal waveform and spectrum from a longitudinal electrically biased femtosecond filament is studied experimentally. The initial direction of the electron motion inside the unbiased filament plasma is deduced from the transformation of… read more here.
Keywords: femtosecond filament; field; air; biased femtosecond ... See more keywords
Terahertz radiation by subpicosecond spin-polarized photocurrent originating from Dirac electrons in a Rashba-type polar semiconductor
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.161104
Abstract: The spin-splitting energy bands induced by the relativistic spin-orbit interaction in solids provide a new opportunity to manipulate the spin-polarized electrons on the sub-picosecond time scale. Here, we report one such example in a bulk… read more here.
Keywords: rashba type; spin; spin polarized; terahertz ... See more keywords
State-of-the-Art of Studies of the Effect of Terahertz Radiation on Living Biological Systems
Sign Up to like & getrecommendations! Published in 2018 at "High Temperature"
DOI: 10.1134/s0018151x18050127
Abstract: The appearance of modern sources and detectors of terahertz radiation (1011–1013 Hz) stimulated the rapid development of practical applications for radiation in this frequency range. Therefore, the question of the safety of terahertz radiation for… read more here.
Keywords: radiation living; radiation; art studies; state art ... See more keywords