Results 181 to 190 of about 113,538 (326)
Advanced Materials Technologies, EarlyView.An ingestible electronic capsule, ICOPS, enables non‐invasive optical gut stimulation in rodents. ICOPS features modular LEDs and optimized power transfer for robust, in vivo functionality. This cleanroom‐free, 3D‐printed platform offers a compact, scalable solution for optogenetically interfacing enteric neural circuits, promising advances in ...
Mohamed Elsherif +9 more
wiley +1 more source
3D Meta‐Atoms for High Confinement of Mid‐IR Radiation
Advanced Optical Materials, EarlyView.Mid‐infrared, three‐dimensional circuit‐like resonators with extreme field confinement are experimentally demonstrated. Combining simulations, measurements, and analytical modelling, a physical interpretation and prediction of the resonant modes supported by the structure, including their resonant frequency and radiative and non‐radiative losses, is ...
Francesco Pisani +5 more
wiley +1 more source
Movable short-circuit technique to extract the relative permittivity of materials from a coaxial cell [PDF]
, 2019 Micke Ghislain Lountala +3 more
openalex +1 more source
Advanced Optical Materials, EarlyView.The excitation of a transition‐metal azo Schiff‐base complex with a 1064 nm laser induces a series of nonlinear optical effects. These effects include the second harmonic generation at 532 nm and third harmonic generation at 355 nm. This process demonstrates the potential of the complex for high‐order nonlinear optical applications. Abstract This paper
Karolina Waszkowska +9 more
wiley +1 more source
An Implantable Antenna Design for an Intelligent Health Monitoring System Considering the Relative Permittivity and Conductivity of the Human Body [PDF]
, 2019 Yang Li +3 more
openalex +1 more source
A Type I Hyperbolic Metamaterial Driven by Phonons on ZnO
Advanced Optical Materials, EarlyView.This article reports the first realization of a phonon‐driven type I hyperbolic metamaterial with ZnO/(Zn,Mg)O heterostructures. By adjusting the Mg content and layer thickness ratio, it establishes a clear framework for achieving and tuning the type I hyperbolic region via phonon resonances.
Julia Inglés‐Cerrillo +9 more
wiley +1 more source
Calculation of the relative permittivity of Rhodamine 6G using the quantum mechanical method
, 2023 Iuliia Riabenko +2 more
openalex +2 more sources
Advanced Optical Materials, EarlyView.We demonstrate ultra‐fast and efficient electro‐optical switching using the isotropic phase of ferroelectric nematic liquid crystals. A moderate electric field induces a transition to polar ferroelectric nematic order, producing large field‐induced birefringence with sub‐microsecond switch‐on and switch‐off times. This advance enables new opportunities
Kamal Thapa +2 more
wiley +1 more source