Broadband terahertz metamaterial absorber based on coplanar multi-strip resonators
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-7651-6
Abstract: Broadband terahertz metamaterial absorber formed by four different-shaped metallic strips and a dielectric layer on top a metallic ground plane is theoretically demonstrated. The combination of the four metallic strips structure gives rise to an… read more here.
Keywords: terahertz metamaterial; absorber based; metamaterial absorber; absorber ... See more keywords
Broadband terahertz dielectric spectroscopy of alcohols
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2017.04.026
Abstract: Abstract We have studied the complex dielectric properties of a series of alcohols in 0.5–10 THz frequency range using THz time-domain spectroscopy. The dielectric response observed has contribution from a Debye relaxation process and three damped… read more here.
Keywords: terahertz dielectric; spectroscopy alcohols; spectroscopy; dielectric spectroscopy ... See more keywords
A high-performance broadband terahertz absorber based on single layer cross-shaped graphene
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.167249
Abstract: Abstract In this paper, we propose an easy-to-fabricate, broadband terahertz (THz) absorber constructed by a single layer of cross-shaped graphene and a metallic mirror separated by a thin silicon layer. Over 90% absorption can be… read more here.
Keywords: broadband terahertz; layer; single layer; shaped graphene ... See more keywords
A tunable ultra-broadband terahertz absorber based on two layers of graphene ribbons
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2019.105853
Abstract: Abstract In this paper, a novel configuration of a tunable ultra-broadband terahertz (THz) absorber based on two layers of graphene ribbons and two different kinds of substrate materials has been proposed. The recently suggested equivalent… read more here.
Keywords: ultra broadband; tunable ultra; layers graphene; two layers ... See more keywords
Broadband Terahertz Spectroscopy of Glutathione
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Analytical Chemistry"
DOI: 10.1016/s1872-2040(20)60053-6
Abstract: Abstract The conformation of glutathione is of great significance for its biological function. In this study, the absorption spectra of reduced (GSH) and oxidized (GSSG) glutathione in the frequency range of 0.5–12.0 THz were obtained… read more here.
Keywords: absorption; thz; glutathione; spectroscopy ... See more keywords
Gapless Broadband Terahertz Emission from a Germanium Photoconductive Emitter
Sign Up to like & getrecommendations! Published in 2018 at "ACS Photonics"
DOI: 10.1021/acsphotonics.8b00460
Abstract: Photoconductive terahertz (THz) emitters have been fulfilling many demands required for table-top THz time-domain spectroscopy up to 3–4 THz. In contrast to the widely used photoconductive materials such as GaAs and InGaAs, Ge is a… read more here.
Keywords: gapless broadband; emitter; broadband terahertz; thz ... See more keywords
Ultra-broadband terahertz absorber based on a multilayer graphene metamaterial
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/5.0019902
Abstract: An ultra-broadband absorber is introduced based on a multilayer graphene structure. Wave absorption of the optimized device is >90% in the bandwidth between 1.12 THz and 3.78 THz. Electric field distributions are studied to analyze the working… read more here.
Keywords: terahertz absorber; based multilayer; ultra broadband; multilayer graphene ... See more keywords
A Broadband Terahertz Metamaterial Absorber Based on Two Circular Split Rings
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Quantum Electronics"
DOI: 10.1109/jqe.2018.2883709
Abstract: We present a broadband terahertz metamaterial absorber, of which the unit cell is made up of two cirular split rings, a dielectric substrate and a metallic ground. The simulation results show that the absorber achieves… read more here.
Keywords: terahertz metamaterial; absorber based; split rings; metamaterial absorber ... See more keywords
Efficient Broadband Terahertz Radiation Detectors Based on Bolometers with a Thin Metal Absorber
Sign Up to like & getrecommendations! Published in 2018 at "Technical Physics"
DOI: 10.1134/s1063784218010097
Abstract: The matrix method has been used to calculate the coefficients of absorption of terahertz radiation in conventional (with radiation incident from vacuum adjacent to the bolometer) and inverted (with radiation incident from the substrate on… read more here.
Keywords: radiation; efficient broadband; radiation detectors; broadband terahertz ... See more keywords
Broadband terahertz tunable multi-film absorber based on phase-change material.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.454639
Abstract: Based on the impedance matching method, we have numerically demonstrated a broadband tunable multilayer structure in a terahertz (THz) regime. The switchable functional characteristics of the absorber can be achieved by utilizing the phase transition… read more here.
Keywords: tunable multi; thz; broadband terahertz; terahertz tunable ... See more keywords
Bendable disordered metamaterials for broadband terahertz invisibility.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.384764
Abstract: We experimentally demonstrate a bendable cloaking structure composed of obliquely stacked planar metallic shells that individually enclose the objects to be hidden. The ensemble of shells acts as a disordered oblique grating capable of bending… read more here.
Keywords: bendable disordered; disordered metamaterials; terahertz invisibility; invisibility ... See more keywords