An Electrically Tunable Terahertz Plasmonic Device Based on Shape Memory Alloys and Liquid Metals
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Optical Materials"
DOI: 10.1002/adom.201700684
Abstract: An electrically tunable terahertz (THz) plasmonic device is designed and fabricated using liquid metals (eutectic gallium indium EGaIn) and shape memory alloy wires (Flexinol). The liquid metal is injected into the voids of a poly(dimethyl)… read more here.
Keywords: electrically tunable; tunable terahertz; shape memory; liquid metals ... See more keywords
Fatigue‐Free Mechanically Tunable Terahertz Metamaterial Absorber with High Modulation Capability Based on PVDF‐MoS2 Piezoelectric Films
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Optical Materials"
DOI: 10.1002/adom.202501996
Abstract: With the growing advancement in terahertz (THz) research, the increasing diversity of applications and complex electromagnetic environments have intensified the demand for tunable terahertz metamaterial absorber (TMA). However, most existing tunable TMAs suffer from limited… read more here.
Keywords: pvdf mos2; terahertz metamaterial; metamaterial absorber; mechanically tunable ... See more keywords
All-Dielectric Tunable Terahertz Metagrating for Diffraction Control.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c13674
Abstract: Recently, tunable metagratings have attracted substantial attention in manipulating the diffraction of electromagnetic waves with considerable flexibility, but they are usually limited to inherent ohmic loss due to the metal layers. The all-dielectric schemes can… read more here.
Keywords: terahertz metagrating; dielectric tunable; terahertz; metagrating diffraction ... See more keywords
Actively tunable terahertz chain-link metamaterial with bidirectional polarization-dependent characteristic
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-46436-w
Abstract: A tunable terahertz (THz) chain-link metamaterial (CLM) is presented, which is composed of a tailored Au layer fabricated on Si substrate. CLM exhibits bidirectional polarization-dependent characteristic by applying a direct-current (dc) bias voltage on device.… read more here.
Keywords: bidirectional polarization; tunable terahertz; polarization; thz ... See more keywords
Tunable terahertz intrinsic chiroptical absorption empowered by accidental bound states in the continuum
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0237546
Abstract: Terahertz (THz) bound states in the continuum (BICs) present a significant opportunity to achieve ultra-high quality (Q) factors in chiroptical responses, which are essential for high-resolution spin-selective devices. However, most high-Q chiroptical resonances rely on… read more here.
Keywords: states continuum; chirality; absorption; tunable terahertz ... See more keywords
Dynamically tunable terahertz metamaterial absorber based on the composite structure of graphene/shape memory alloy
Sign Up to like & getrecommendations! Published in 2024 at "Ferroelectrics"
DOI: 10.1080/00150193.2024.2325904
Abstract: Abstract The equipment that can actively adjust the frequency and intensity of terahertz wave absorption peaks is a key link in the future development of terahertz wave intelligence. However, there was relatively little research on… read more here.
Keywords: terahertz; shape memory; absorption; tunable terahertz ... See more keywords
Tunable terahertz filter based on graphene photonic crystals with defective layers
Sign Up to like & getrecommendations! Published in 2024 at "Physica Scripta"
DOI: 10.1088/1402-4896/ad6643
Abstract: In this paper, we design a high-precision tunable terahertz filter by using transfer matrix method. The filter structure mainly consists of graphene embedded photonic crystals (GPCs). The front part of the GPCs contains artificial synthetic… read more here.
Keywords: photonic crystals; filter; terahertz; terahertz filter ... See more keywords
Tunable Terahertz Plasmons in Graphite Thin Films.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.126.147401
Abstract: Tunable terahertz plasmons are essential for reconfigurable photonics, which have been demonstrated in graphene through gating, though with relatively weak responses. Here we demonstrate strong terahertz plasmons in graphite thin films via infrared spectroscopy, with… read more here.
Keywords: terahertz plasmons; thin films; graphite thin; plasmons graphite ... See more keywords
Ultrasensitive Tunable Terahertz Sensor With Graphene Plasmonic Grating
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2018.2886412
Abstract: We propose an ultrasensitive tunable terahertz (THz) sensor which consists of single-layer graphene-based gratings integrated with a Fabry–Perot cavity through numerical simulation. The excitation of standing-wave graphene surface plasmon polaritons can make the probing field… read more here.
Keywords: thz; graphene; plasmonic grating; ultrasensitive tunable ... See more keywords
Pneumatically Actuated Tunable Terahertz Metamaterial Absorber With Dual-Side Tuning Capability
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2713805
Abstract: Aiming to achieve dual-side postfabrication performance tuning capability, a new tunable terahertz metamaterial absorber design with built-in pneumatic actuation mechanism was proposed, in which a circular split ring resonator with double-slit was adopted. Using multiphysics… read more here.
Keywords: terahertz metamaterial; tunable terahertz; dual side; tuning capability ... See more keywords
Tunable Terahertz Filters Based on Gold-Coated Silicon Plates With Corrugations
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2024.3406024
Abstract: We experimentally demonstrate a tunable terahertz (THz) filter based on parallel plate waveguides with corrugations. The filter is achieved by placing two gold-coated silicon plates with periodic grooves face to face, which are fabricated through… read more here.
Keywords: tunable terahertz; coated silicon; gold coated; silicon plates ... See more keywords