US – Page 65 – TechConnect Briefs

Glass-Ceramic Scintillators for High-Resolution Medical Imaging

Beckert M.B., Nadler J.H., Kang Z., Wagner B.K., Georgia Tech Research Institute, US

Screens made from micron-sized phosphor particles (such as Gd2O2S:Tb) are efficient and bright X-ray converters used in medical imaging systems. However, the large size of the phosphor particles causes the screen to be opaque and, [...]

Wafer-scale photonic and plasmonic crystal sensors

George M.C., Liu J.-N., Farhang A., Williamson B., Black M., Wangensteen T., Fraser J., Petrova R., Cunningham B.T., Moxtek, US

This presentation will review recent results in 200 mm diameter wafer-scale fabrication, metrology, and optical modeling of various photonic and plasmonic crystal sensors, including 1D photonic crystals based on leaky-waveguide mode resonance, as well as [...]

Silicon Photonic Temeprature Sensors

Ahmed Z., NIST, US

For the past century, industrial temperature measurements have relied on resistance measurement of a thin metal wire or filament whose resistance varies with temperature. Though resistance thermometers can routinely measure industrial temperatures with uncertainties of [...]

Fabrication and Characterization of On-Chip Integrated Silicon Photonic Bragg Grating and Photonic Crystal Cavity Thermometers

Klimov N.N., Purdy T., Ahmed Z., National Institute of Standards and Technology / University of Maryland, US

Though today’s resistance thermometers can routinely measure temperatures with uncertainties of 10 mK, they are sensitive to environmental variables such mechanical shock and humidity, which cause the sensor resistance to drift over time requiring expensive, [...]

Highly Tunable Surface Plasmons Resonance Using Metal/metal Oxide Hybrid Nanostructures

Khosroabadi A.A., Gangopadhyay P., Norwood R.A., University of Arizona, US

Metal and metal oxide electrodes play a significant role in many cutting edge applications including photonics, membranes, biological supports, sensing, electrochromics, and in various green technologies, such as, photocatalytics, Li-ion batteries and photovoltaics. There is [...]

Effective Multistep Exciton Delivery Through DNA-based Photonic Wires

Spillmann C.M., Buckhout-White S., Ancona M.G., Cunningham P.D., Melinger J.S., Goldman E.R., Medintz I.L., Naval Research Laboratory, US

Energy manipulation at the nanoscale is a key requirement to develop next-generation nanotechnologies ranging from biosensing to light harvesting, yet the design rules of these nanoscale systems must first be optimized to accomplish their intended [...]

Transparent, Scalable, and Flexible Piezoelectric Pressure Sensors

Vishniakou S., UC San Diego, US

We present a pressure-sensitive ZnO thin-film transistor (TFT) as a potential technology for next-generation touchscreen. We discuss the properties of our devices and propose a structure that could be used to create transparent, scalable, and [...]

Wearable and flexible electronic devices: Market forecasts 2015-2025

Zervos H., IDTechEx Inc, US

Wearable technology mainly concerns devices and apparel. With a wide range of products, from glasses and other headgear to arm, wrist, leg and footwear, skin patches and even jewelry, the device business is already large, [...]

Engineering nanoinks and photonic manufacturing for printable electronics

Hu A., University of Tennessee, US

We have developed various nanoinks, including silver nanowires, silver nanoplates, Cu-Ag core-shell nanoparticles, graphene oxide and graphene. Gram level nanoplates are successfully synthesized through a polymer controlled hydrothermal growth. Core-shell structures are synthesized through a [...]

Design and Evaluation of a Highly Stretchable and Conductive Thin Film for Tactile Sensors

Sun Y., Zhou D., Bai J., Wang H., Cao J., Univeristy of Minnisota Duluth, US

Keeping good conductivity at high stretching strain is one of the main requirements for the design of flexible electronic devices. The elastic nature of siloxane-based elastomers enables many innovative designs in wearable sensor devices and [...]