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We investigate the performances of 18 nm gate length AlInN/GaN, InP/InGaAs heterostructure and a Silicon double gate MOSFET, using 2D Sentaurus TCAD simulation. The heterostructure device uses lattice-matched wideband Al0.83In0.17N /InP and narrowband GaN / In0.53Ga0.47As layers, along with high-k Al2O3 as the gate dielectric, while silicon based device uses SiO2 gate dielectric. The device has...

This paper focuses on the development of novel actuators for a portable force feedback glove for, but not limited to, the simulation of open surgeries. A conceptual design of a chain-like actuator based on electroactive polymers is introduced. One actuator element of this chain was built in order to explore and optimize the actuator manufacturing process. Actuators manufactured with this stable...

This paper describes development and experimental verifications of wireless powering for EWOD microfluidics. First, the wireless powering is achieved by planar PCB coils (not by bulky, spool-type, conventional coils), resulting in seamless integration with EWOD array electrodes on a single and compact chip. Second, the obtained voltage for wireless EWOD is over 230Vrms, much higher than typical...

We describe a proposed all-dielectric laser-driven undulator for the generation of coherent short wavelengths and explore the required electron beam parameters for its operation. The key concept for this laser-driven undulator is its ability to provide phase synchronicity between the deflection force from the laser and the electron beam for a distance that is much greater than the laser wavelen...

The application of transformation optical techniques to photonic crystal-like dielectric structures has facilitated the creation of invisibility cloaks that operate at optical wavelengths. In this article, the authors present the fabrication processes for an all-dielectric ground plane cloak structure that consists of multiple silicon nanorod arrays connected by input and output waveguides. An ...

A review report on nanoimprinted plasmonic components is given. The fabrication of different metal–dielectric geometries and nanostructured surfaces that support either propagating or localized surface plasmon modes is discussed. The main characteristics and advantages of the nanoimprint technology for the fabrication of various plasmonic structures are outlined. The discussion of plasmonic wav...

This paper presents a microwave reflectometer using self-mixing oscillator antennas. A unique characteristic of the proposed reflectometer is its simple structure without a circulator and a directional coupler. Each self-mixing oscillator antenna utilizes a Gunn diode as an active device and a rectangular waveguide as a resonator and a radiator. The determination of dielectric properties of mat...

In many electrowetting on dielectric (EWOD) based microfluidics devices, droplet actuation speed is a crucial performance-controlling parameter. Our present study aims to characterize and study droplet speed in a typical EWOD device. First, a practical droplet speed measurement method has been methodically demonstrated and some related velocity terms have been introduced. Next, influence of ele...