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Dielectric materials with high energy density have a wide range of applications in high-performance capacitors, sensors, brakes, spacecraft, and electric stress control devices. Adding inorganic filler in the polymer matrix is an effective way to increase the energy density of the polymer materials, the characteristics of composites and inorganic filler with high dielectric constant and high breakdown...
We present theoretical and experimental analysis of extraordinary third-order harmonic generation (THG) by organic materials on a plasmonic photonic crystal. The measurement shows that the hybrid nanostructure platform provides over 20 times enhancement in THG efficiency.
We demonstrate a molding process to imprint optical components on polymer. The hard mold is fabricated by either evaporation or electroplating. The roughness of molded polymer surface is reduced by 5nm compared to those fabricated by ion-etching.
In the present study, the microstructure and dielectric properties of composites comprising Polyimide (PI) and CaCu3Ti4O12 (CCTO) or CaCu3Ti3.95Zr0.05O12 (CCTZO) particles have been investigated. CCTO and CCTZO were employed separately and investigated comparatively. The effective dielectric constant of the composite containing 40vol.% CCTZO filler is over 50 at 40°C (102 Hz), which is substantially...
We demonstrate an EO polymer based traveling-wave MMI-fed directional-coupler modulator. High-speed and linear operation is demonstrated with bandwidth-length product of 125GHz·cm, the 3-dB electrical bandwidth of 10GHz, and the SFDR of 110±3dB/Hz2/3.
A modified electrospinning setup with parallel electrode and heater plate was presented to fabricate piezoelectric nanofibrous membrane directly. Thanks to the strong electric field strength, high stretch ratio and high environmental temperature during the electrospinning process, α-phase poly (vinylidene fluoride) (PVDF) would be transformed to β-phase well and have excellent piezoelectric performance...
The similarity of photo aging and corona aging in nano-ZnO/LDPE composite was investigated using the Fourier Transformed Infra-red spectra (FTIR). The composite of nano-ZnO/LDPE was prepared via the method of double-solution mixture. The samples were aged by photo and corona respectively for different time. The FTIR spectra were measured and the results showed that the spectra of samples aged by photo...
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