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Research & Technology News

Laser Threading Creates Large-Scale Metamaterials
CAMBRIDGE, England, July 30, 2014 — A new laser-pulse technique has been used to create light-altering metamaterials in larger quantities than other techniques. Researchers at the University of Cambridge have developed a new method of nanoassembly involving plasmon-induced laser threading of gold nanoparticle strings to produce conducting threads 12&plusmin;2 nm wide. The chemically arranged nanoparticles form chains among barrel-shaped molecules called cucurbiturils (CB) that act as spacers and hold the chains
Army Develops Multiwavelength Laser, Countermeasure
ADELPHI, Md., July 29, 2014 — A new optical system aims to protect soldiers using magnification optics against eye-damaging multiwavelength lasers. Developed by a team from the U.S. Army Tank Automotive Research, Development and Engineering Center (TARDEC), the device is...
Wearable Device Allows Early Detection of Diabetes Complication
HSINCHU, Taiwan, July 28, 2014 — Earlier detection of a complication of diabetes is now possible with a new optical technology. The new technology is a 78-gram device that attaches to eyeglasses. It features both IR LEDs and a CCD camera, and was designed to be worn for about 30...
'Nearly Perfect' Crystals Could Advance Nano-Optoelectronics
DRESDEN, Germany, July 25, 2014 — A team of European researchers says it has solved a problem in the production of nano-optoelectronic components by embedding “nearly perfect” semiconductor crystals in silicon nanowires. According to the researchers, the crystals —...
MIT Spinoff Produces Diode Laser for Cutting, Welding
CAMBRIDGE, Mass., July 25, 2014 — Bright and strong enough to cut and weld metal with greater efficiency than conventional lasers, a new diode laser will soon hit the market.
Technique Could Simplify Photonic Crystal Formation
PRINCETON, N.J., and NEW YORK, July 25, 2014 — A new method could allow scientists to custom-grow defect-free photonic crystals. A team from Princeton University and Columbia University created computer models demonstrating the technique, adding precisely sized chains of polymers to a colloidal...
Image Processing Method Offers Enhanced Underwater Views
THE HAGUE, Netherlands, July 24, 2014 — New image-enhancing software for cameras allows scientists to more easily observe life under water. A team from the Netherlands Organization for Applied Scientific Research and the Royal Netherlands Navy used the Nvidia Corp.’s CUDA (Compute...
Self-Cooling Solar Cells Boost Efficiency
STANFORD, Calif., July 24, 2014 — A new technique allows solar cells to passively cool themselves by driving away unwanted thermal radiation. Developed by a team from Stanford University, the new solar cells offer high efficiency and more longevity than conventional cells (most...
Enhanced CARS Enables High-Speed Imaging of Tissues
GAITHERSBURG, Md., and CLEVELAND, July 23, 2014 — An enhanced spectroscopy technique for analyzing biological cells and tissues delivers stronger signals than those attained through conventional practices. A team from the National Institute of Standards and Technology, in conjunction with the...
Laser Nanolithography Could Improve Nanomaterials
SINGAPORE, July 23, 2014 — Lasers can “draw” patterns on nanomaterials, a technique that shows potential for improving the functionality of electronic and optoelectronic components. Research teams at the National University of Singapore, led by professor Dr. Sow...
Novel Laser Could Transmit Quantum Data
HANOVER, N.H., July 23, 2014 — A laser made from a superconducting artificial atom could aid information transfer in quantum computing. To create the laser, a team from Dartmouth College embedded a pair of electrons called a Cooper pair in a high-quality microwave cavity. As...
'Air Waveguides' Function Like Optical Fibers
COLLEGE PARK, Md., July 22, 2014 — A new technique could allow scientists to run optical fiber to nearly any place on earth — and possibly even into space. A team from the University of Maryland has discovered how to make air behave like optical fiber, guiding light beams over...
Natural Optical Fibers Sort Colors in Retina
HAIFA, Israel, July 22, 2014 — The retina has long been known to convert light into electrical signals and initially process visual information, but that’s not all. Researchers from Technion Israel Institute of Technology have demonstrated the role that glial cells inside...
Lasers Could Replace Quartz in Future Electronics
PASADENA, Calif., July 18, 2014 — A new laser optical technique could potentially replace quartz crystals as the tuning reference for future electronic devices. Developed by a team at the California Institute of Technology, the new method can stabilize microwave signals in the...
Nanosensor Enhances Bomb Detection
BERKELEY, Calif., July 21, 2014 — A new sensor could potentially detect explosives that traditional recognition devices cannot. The new light-based plasmon laser sensor, developed by a team from the University of California, Berkeley, can identify extremely minute concentrations of...
Video: Nanoantennas as Photo Film Boost Optical Data Storage
URBANA, Ill., July 18, 2014 — Unique nanoantennas can be used like traditional photographic film to record light at distances smaller than its own wavelength. This could mean big things for the future of optical data storage. To make the new pillar bowtie nanoantenna (pBNA)...
Fluorescence Sensor Diagnoses Diabetes
STANFORD, Calif., July 17, 2014 — A microchip that detects fluorescent signatures of antibodies associated with Type 1 diabetes could aid in prevention and early intervention. Created by a team from the Stanford University School of Medicine, the portable gold plasmonic microchip...
Solar Energy Researcher wins $10,000 Award
EDISON, N.J., July 18, 2014 — Theresa McCormick has been awarded the Spring 2014 Equipment Grant Competition, along with $10,000 from Horiba Scientific (formerly Photon Technology International). McCormick is a professor at Portland State University where her research is focused...
Sensor Amplifies Molecule Signatures
HOUSTON, July 17, 2014 — A new sensing technique can accurately identify the structure and composition of individual molecules. Researchers from the Rice University Laboratory for Nanophotonics (LANP) developed the device, which they said has the ability to amplify single...
Touch Screens Repel Fluids, Cut Glare and Still Look Good
BARCELONA, Spain, July 17, 2014 — Touch screens with nanostructured surfaces that ward off glare, reflection and fluids could easily be mass-produced, according to researchers from the Institute of Photonic Sciences. In one study, the researchers demonstrated a highly transparent...
Video: Drone System Aids Photographic Lighting
CAMBRIDGE, Mass., July 17, 2014 — A small, autonomous helicopter can direct lighting just where a photographer needs it. Researchers at MIT and Cornell University developed the drone system to respond to the movements of a photographer and her subject using lidar and input from the...
Fluorescence Detects Alzheimer’s Indicators in the Eye
COPENHAGEN, July 16, 2014 — Two fluorescence imaging approaches can find traces of plaque associated with Alzheimer’s disease in the eye, presenting possible opportunities for early intervention. Two companies, NeuroVision Imaging LLC of Sacramento, Calif., and Cognoptix...
Lasers Manipulate Copper-Based Superconductors
TRIESTE, Italy, July 16, 2014 — Ultrafast laser pulses can affect the properties of copper-based superconductors, a research team representing several Italian institutions has found. Cuprate superconductors function at relatively high temperatures around -200 °C. At slightly...
Photonic Router Aids Quantum Computing
REHOVOT, Israel, July 15, 2014 — A router capable of guiding single photons could overcome challenges associated with building quantum computers. A team from the Weizmann Institute of Science developed the device, which is based on a single atom connected to a fiber-coupled,...
Nanopixels Drive Flexible, Extremely Hi-Res Displays
OXFORD, England, July 14, 2014 — A recent study that delves into the electrical and optical properties of phase-change materials has unveiled a new way to develop flexible, thin-film displays with extremely high resolution and low energy consumption. A team at the University of...

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