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ESTIMATION OF INSULATOR CONTAMINATIONS BY MEANS OF REMOTE SENSING TECHNIQUE
Insulator Contaminations Power Facilities ESDD Remote Sensing SVM
2016/11/30
The accurate estimation of deposits adhering on insulators is critical to prevent pollution flashovers which cause huge costs worldwide. The traditional evaluation method of insulator contaminations (...
Optically Reconfigurable 1x4 Silicon-on-Insulator Remote Node Switch for Access Networks
Optically Reconfigurable 1x4 Silicon-on-Insulator Remote Node Switch Access Networks
2014/11/6
Operation of an optically controlled 1x4 remote node, based on membrane InP switches and SOI waveguide circuits, is shown. Extinction ratio >25dB and penalty-free operation for 10Gb/s 231-1 PRBS data ...
Titania-based material holds promise as new insulator for superconductors（图）
superconductors new insulator material
2014/9/12
Research from North Carolina State University shows that a type of modified titania, or titanium dioxide, holds promise as an electrical insulator for superconducting magnets, allowing heat to dissipa...
Subsurface impurities and vacancies in a three-dimensional topological insulator
Subsurface impurities vacancies three-dimensional topological insulator
2012/2/24
Using a three-dimensional microscopic lattice model of a strong topological insulator (TI) we study potential impurities and vacancies in surface and subsurface positions. For all impurity locations w...
Bulk Intergrowth of a Topological Insulator with a Room Temperature Ferromagnet
Bulk Intergrowth Topological Insulator Room Temperature Ferromagnet
2012/2/24
We demonstrate that the layered room temperature ferromagnet Fe7Se8 and the topological insulator Bi2Se3 form crystallographically oriented bulk composite intergrowth crystals. The morphology of the i...
Light Panels Based on Expanded Perlite, Application as Adsorbers and Insulator against Rapid Evaporation in Subsaharien Countries
Perlite Adsorption Nauseous Odours Photo-Oxidation Dioxide Titanium
2013/3/11
Our project concentrates on manufacture of light panels based on available natural materials (expanded perlite, sawdust and refuse of wood, vegetable coal.) mixed with a natural resin not toxic (resin...
Monolithically Integrated Compact VMUX/DEMUX on Silicon-on-Insulator Platform
Wavelength filtering devices Integrated optics devices Photonic integrated circuits
2015/5/26
We demonstrate a compact 40-channel, dense wavelength division multiplexing (DWDM)VMUX/DEMUX by monolithic integration of an echelle grating and high-speed p-i-n VOA on the silicon-on-insulator (SOI) ...
WDM Multi-Channel Filter Based On Sampled Gratings In Silicon-on-Insulator
Integrated optics devices Wavelength filtering devices
2015/5/22
The design and fabrication of sampled gratings on silicon-on-insulator rib waveguides is presented. A multiple reflection up to 20 channels with a spacing of 0.78 nm is demonstrated, with potential fi...
High-Performance Low-Loss Silicon-on-Insulator Microring Resonators using TM-polarized Light
Optical devices Resonators
2015/5/22
Microring resonators on SOI are investigated for both orthogonal polarizations. By demonstrating low-loss (1.94dB/cm) microring resonators with an intrinsic Q up to 340000 we proof that using TM-polar...
Compact broadband polarizer based on shallowly-etched silicon-on-insulator ridge optical waveguides
Compact broadband polarizer based shallowly-etched silicon-on-insulator ridge optical waveguides
2015/5/21
A novel type of optical polarizer based on silicon-on-insulator shallowly-etched ridge waveguide is designed,fabricated and characterized. The present polarizer is compact, broad-band, and easy-fabric...
Fully-Etched Photonic Crystal Grating Coupler as an Interface between Single-Mode Fibers and Photonic Circuits on Silicon-on-Insulator
Integrated optics devices Photonic crystals
2015/6/10
A fully-etched photonic crystal grating coupler with low back reflections is introduced as an interface between single-mode fibers and silicon-on-insulator wire waveguides. Peak coupling efficiency of...
Silicon-on-Insulator Tunable Wavelength Router with Minimized Polarization Dependent Loss
Networks wavelength routing Polarization-selective devices
2015/6/10
We demonstrate a novel polarization diversity scheme based on 2D grating couplers and a simple phase shifter to achieve polarization dependent loss as low as 0.15dB in an SOI wavelength router
Silicon-on-Insulator Rib Waveguide Bends Using Phase-Compensated Microprism
Guided waves Integrated optics devices
2015/6/9
The silicon-on-insulator rib waveguide bends using phase-compensated microprisms are experimental demonstrated. A very compact SOI rib waveguide with bending radius of 15.43μm is achieved with demonst...
Towards Silicon on Insulator DQPSK Demodulators
Towards Silicon Insulator DQPSK Demodulators
2015/6/8
Fabrication of integrated DQPSK demodulators is a challenge due to low birefringence requirements. We present work on demodulator structures realized in intermediate SOI technology.The work paves the ...
Silicon-on-Insulator Ring-Shaped Photonic Crystal Waveguides for Refractive Index Sensing
Integrated optics devices Sensors Photonic crystals
2015/6/4
We present an integrated refractive index sensor based on a ring-shaped photonic crystal waveguide. We measured the shift in cut-off wavelength for different ambient refractive indices and we observed...