Results 11 to 20 of about 51,007 (269)

Research progress in terahertz metamaterials and their applications in imaging

open access: yesCailiao gongcheng, 2020
Electromagnetic metamaterials have attracted more and more research interest due to their exotic physical properties and important applications in manipulating electromagnetic waves.
FU Xiao-jian, SHI Lei, CUI Tie-jun
doaj   +1 more source

Research progress in the effects of terahertz waves on biomacromolecules

open access: yesMilitary Medical Research, 2021
With the rapid development of terahertz technologies, basic research and applications of terahertz waves in biomedicine have attracted increasing attention.
Liu Sun, Li Zhao, Rui-Yun Peng
doaj   +1 more source

Grating-like Terahertz Metasurface for Large-Deflection-Angle Beam Manipulations

open access: yesApplied Sciences, 2022
Multifunctional terahertz beam manipulations have attracted much attention because of the potential for wide-scale applications in terahertz imaging, communications, etc.
Yuan Fu   +3 more
doaj   +1 more source

Experimental Study on Glass and Polymers: Determining the Optimal Material for Potential Use in Terahertz Technology

open access: yesIEEE Access, 2020
The optical properties of polymers and glasses useful for terahertz applications are experimentally characterized using terahertz time-domain spectroscopy (THz-TDS). A standard system setup utilizing transmission spectroscopy is used to measure different
Md Saiful Islam   +9 more
doaj   +1 more source

Polarization-maintaining reflection-mode THz time-domain spectroscopy of a polyimide based ultra-thin narrow-band metamaterial absorber [PDF]

open access: yes, 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

Extremely large extinction efficiency and field enhancement in terahertz resonant dipole nanoantennas [PDF]

open access: yes, 2011
The distinctive ability of nanometallic structures to manipulate light at the nanoscale has recently promoted their use for a spectacular set of applications in a wide range of areas of research including artificial optical materials, nano-imaging ...
Al-Naib, Ibraheem A. I.   +14 more
core   +1 more source

Dynamic and Active THz Graphene Metamaterial Devices

open access: yesNanomaterials, 2022
In recent years, terahertz waves have attracted significant attention for their promising applications. Due to a broadband optical response, an ultra-fast relaxation time, a high nonlinear coefficient of graphene, and the flexible and controllable ...
Lan Wang   +6 more
doaj   +1 more source

Time-Delay Multiplexing of Two Beams in a Terahertz Imaging Radar [PDF]

open access: yes, 2010
We demonstrate a time-delay multiplexing technique that doubles the frame rate of a 660–690-GHz imaging radar with minimal additional instrument complexity.
Bryllert, Tomas   +5 more
core   +1 more source

CMOS Terahertz Metamaterial Based 64 × 64 Bolometric Detector Arrays [PDF]

open access: yes, 2017
We present two terahertz detectors composed of microbolometer sensors (vanadium oxide and silicon pn diode) and metamaterial absorbers monolithically integrated into a complementary metal oxide semiconductor (CMOS) process.
Cumming, David R.S.   +3 more
core   +1 more source

Surface plasmon dispersion and modes on the graphene metasurface with periodical ribbon arrays

open access: yesMaterials Research Express, 2020
Graphene plasmonics on the structured metasurface demonstrate many exotic properties which can combine novel nanomaterials and well-established plasmonics, providing unique opportunities to develop a series of novel photonic, plasmonic and optoelectronic
Yong-Qiang Liu   +2 more
doaj   +1 more source

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