Results 81 to 90 of about 23,458 (290)

Tunable Extraordinary Optical Transmission in the Long‐Wavelength Infrared Range Using Electrostatic MEMS Actuation

Advanced Materials Technologies, EarlyView.
A MEMS‐integrated metamaterial filter enables continuous, low‐voltage spectral tuning in the long‐wavelength infrared (LWIR). The device employs extraordinary optical transmission in a dual suspended metasurface stack, where electrostatic actuation precisely controls the intermembrane air gap.
Oleg Bannik, Fedor Kovalev, Michal Zawierta, Dilusha Silva, Lorenzo Faraone, Ilya Shadrivov, Mariusz Martyniuk   +6 more
wiley   +1 more source

Electromagnetic Bias at Off-nadir Incidence Angles

, 2004
Sponsorship: JPL Subcontract 961461. Nadir and off-nadir measurements of electromagnetic (EM) bias measurements are presented and compared with an off-nadir bias model. Measurements of the bias were made during the BYU Off-Nadir Experiment (Y-ONE) in the
Warnick, Karl F., Millet, Floyd W., Arnold, David V.   +2 more
core  

Multimodal Haptic Perception Through Synergistic Nanocomposite Sensor Arrays

Advanced Materials Technologies, EarlyView.
Multi‐modal fingertip haptics are advanced through a bioinspired &vertical‐via' electronic skin architecture. A confined PDMS/MWCNT/NiNP nanocomposite, sitting at the percolation threshold, enables tactile, thermal, and magnetic sensing. A unique via‐density gradient and dedicated &Un‐Touch' reference nodes provide robust spatial resolution and signal ...
Amos Bardea, Fernando Patolsky
wiley   +1 more source

The control methods of tuning of dispersion of electromagnetic waves propagating in 3D-arrays of carbon nanotubes with magnetic nanoparticles at microwave frequencies

Физика волновых процессов и радиотехнические системы, 2013
By using numerical method of autonomous blocks with Floquet channels (FAB) the frequency dispersion of electromagnetic waves propagating in anisotropic nanostructured materials based on 3D-arrays of carbon nanotubes with magnetic Co_80 Ni_20 ...
G.S. Makeeva, O.A. Golovanov, G.G. Gorlov   +2 more
doaj  

ENVISAT radar altimeter tracker bias

, 2006
In the past, errors in the determination of the orbit were dominant in radar altimeter missions, but technical advances have improved the orbit accuracy and hence, other sources of error have become more important.
Gomez-Enri, J., Challenor, P.G., Gommenginger, C.P., Srokosz, M.A., Drinkwater, M.R.   +4 more
core   +1 more source

Solid Particle‐Liquid Metal Mixtures for Robust High‐Current Interconnects in Stretchable Electronics and Soft Robotics

Advanced Materials Technologies, EarlyView.
Metallic microparticles dispersed in liquid metal interconnects mitigate electromigration‐induced failure by reconfiguring internal current density distributions. These fillers facilitate the growth of a robust, protective gallium oxide shell at elevated temperatures, shifting the failure threshold toward a thermal limit.
Ethan J. Krings, Calan Brant, Carson Emeigh, Donovan Vincent Jr., Ravi Tutika, Sangjin Ryu, Eric J. Markvicka   +6 more
wiley   +1 more source

High‐Performance Piezoelectric Nanogenerators Based on Wurtzite BeO Nanowire Arrays

Advanced Materials Technologies, EarlyView.
This study demonstrates high‐performance piezoelectric nanogenerators based on 1D BeO nanowire arrays. The BeO nanowires exhibit a high piezoelectric coefficient (∼15.8 pm V−1) and deliver an output voltage of ∼26.1 V and power density of ∼0.32 µW cm−2.
Yoonseo Jang, Jihyeon Park, Seoyeah Oh, Jonghyun Bae, Prakash R. Sultane, Christopher W. Bielawski, Jiwon Kim, Jungwoo Oh   +7 more
wiley   +1 more source

Vibration and noise mechanism of a 110 kV transformer under DC bias based on finite element method

Global Energy Interconnection
Global energy and environmental issues are becoming increasingly problematic, and the vibration and noise problem of 110 kV transformers, which are the most widely distributed, have attracted widespread attention from both inside and outside the industry.
Ziyang Li, Xujun Lang, Bo Yang, Xiaolin Liu, Hao Wang, Zhang Li   +5 more
doaj   +1 more source

Development and Application of Integrated Optical Sensors for Intense E-Field Measurement

Sensors, 2012
The measurement of intense E-fields is a fundamental need in various research areas. Integrated optical E-field sensors (IOESs) have important advantages and are potentially suitable for intense E-field detection.
Zhanqing Yu, Bo Wang, Ben Niu, Rong Zeng
doaj   +1 more source

A hybrid method for simulation of mixed circuit and electromagnetic problems in frequency domain [Elektronisk resurs]

, 2013
The simulation of mixed circuit and electromagnetic (EM) structures in frequency domain has application in most electromagnetic problems. Many of the developed methods work by modifying a SPICE-like solver to incorporate an EM numerical method, or to ...
Safavi, Sohrab,, Ekman, Jonas,
core