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Water stream makes better pollution detector
Dec 1, 2013 — A new microfluidic sensor uses unconfined streams of water to test for dangerous chemicals and bacteria in liquid simply and cheaply. The pollutant detector was developed in Italy within the framework of the research project ACQUASENSE, and it overcomes the background-noise problems associated with the channel walls used in today’s more advanced water-testing devices. It incorporates a narrow stream of water unconfined by tubes or pipes, with the water jet doubling as both the sample a...
Well-rounded molecules make better light emitters
SALT LAKE CITY – The more well-rounded the organic molecule, the better – at least when it comes to maximizing light emission. A team led by the University of Utah working to develop more efficient OLEDs believes it has solved a major problem with...
Give Thanks to the Turkey for Lasik
YORKTOWN HEIGHTS, N.Y., Nov. 27, 2013 — When most people think about what to do with leftover turkey from Thanksgiving dinner, what often come to mind are turkey sandwiches, turkey pie, or, if you want to get fancy, turkey tetrazzini. But for a team at IBM, leftover turkey was the key...
Feeling the Ultrasensitive Force with a Levitating Nanoparticle
BARCELONA, Spain, Nov. 26, 2013 — Optically levitating nanoparticles in high-vacuum conditions have led to the measurement of the highest quality factors (Q-factors) in nano- and micromechanical oscillators. Oscillators with high Q-factors are gaining attention for their potential...
Schreck Awarded €2M ERC Grant
INNSBRUCK, Austria, Nov. 26, 2013 — Florian Schreck, an experimental physicist at the University of Innsbruck’s Institute of Quantum Optics and Quantum Information, has received a grant from the European Research Council (ERC) worth up to €2 million (about $2.7 million) to...
Compact Laser Generates Research-Quality X-rays
LINCOLN, Neb., Nov. 25 — A novel method generates research-quality x-rays using a "tabletop" laser, making such light sources more practical for advanced research. High-quality x-rays — needed for applications ranging from analyzing the structure of matter to advanced...
IR Technique Sees Through Graphene Stacks
BUFFALO, N.Y., Nov. 22, 2013 — An IR technique identifies and characterizes individual graphene layers in a large stack, providing information on the electronic properties of each layer. Such information opens the possibility of graphene-based optical devices for communications,...
Lunar Exploration to Begin
WASHINGTON, Nov. 22, 2013 — NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE) has entered its planned orbit around the moon’s equator and is ready to begin collecting science data about our only natural satellite. LADEE entered orbit on Nov. 20 and now...
Project Aims to Enhance Europe’s Laser Competitiveness
AACHEN, Germany, Nov. 21, 2013 — A new project aims to bring industry and business together to speed the market launches of a variety of laser applications. The four-year, €15 million LASHARE project will give more than 30 small- and medium-sized enterprizes (SMEs) a helping...
Nanorods Synthesized for Large-Scale Manufacturing
RALEIGH, N.C., Nov. 20, 2013 — A new technique that produces nanoscale gold rods in large quantities while also controlling their optical properties and dimensions could facilitate their high-volume manufacture for applications in biomedicine. Because the optical properties of...
Nanoantennas Form Ultrathin Holograms for Sensing
WEST LAFAYETTE, Ind., Nov. 18, 2013 — An ultrathin hologram — only 1/23rd the width of the light wavelength used to create it — could make possible light-based devices and optical switches small enough to be integrated into computer chips for advanced sensors,...
Qubit Survives for 39 Minutes
BURNABY, British Columbia, Canada, LONDON & OXFORD, England, Nov. 18, 2013 — A quantum state, normally a very fragile condition, has been demonstrated to survive at room temperature for an unprecedented 39 minutes. This achievement overcomes a key barrier to building ultrafast quantum computers. An international team of...
Photon Detected, But Not Absorbed
GARCHING, Germany, Nov. 15, 2013 — It’s possible to detect something as fragile as a single photon without destroying it, new research suggests. Single-photon sources have important applications in quantum networking, cryptography and information processing. While there are...
Distant Atoms Cooperate by Sharing Light
CALGARY, Alberta, and SHERBROOKE, Quebec, Canada & ZURICH, Nov. 14, 2013 — Atoms can work collectively, rather than independently, to share light, an international team has found. The discovery has important implications for applications in advanced quantum devices. Researchers demonstrated light sharing, or...
Geodesy Applications Pursued for Atom Optics
GREENBELT, Md., Nov. 12, 2013 — An atom interferometer under development to measure gravitational ripples in space-time with picometer-level sensitivity could also advance geodesy, the science of measuring the Earth’s size, shape and gravitational field. Technologists...
Multispectral Camera Detects Tumors During Surgery
MANNHEIM, Germany, Nov. 11, 2013 — A multispectral camera that simultaneously displays several fluorescent dyes and the reflectance image in real time could help surgeons ensure that they don’t leave behind tiny pieces of malignant tumors. Obviously, cancer patients have a...
Microwaves Wirelessly Converted to Direct Current
DURHAM, N.C., Nov. 8, 2013 — A new device designed using manmade, inexpensive materials operates as a power harvester with efficiency similar to solar panels but can wirelessly convert microwave signals into direct current voltage capable of recharging a cell phone battery or...
A Smarter Way to Use Sunlight: Array Pushes Solar Deep into Buildings
CINCINNATI, Nov. 7, 2013 — A pair of University of Cincinnati researchers want you to see the light — even if you’re in an unlit, interior, windowless room. The new technology, called SmartLight, involves a narrow grid of tiny, electrofluidic cells self-powered by...
Fiber Optic Switch Controlled by a Single Atom
VIENNA, Nov. 6, 2013 — Fiber optic switches play a vital role in optical communication networks, enabling optical signals to be rerouted to different fiber output ports. Making these switches small enough to manipulate light would enable quantum communication and...
Laser Mapping of Greenland’s Summer Ice Melt Begins
THULE, Greenland, and GREENBELT, Md., Nov. 6, 2013 — For the first time, NASA is laser-mapping changes to the Greenland Ice Sheet produced by a single season of summer melt. The data gathered will provide a more comprehensive view of season changes and provide context for a more ambitious mapping...
Method to Change Skin-Color Perception is Patented
NEW YORK, Nov. 5, 2013 — An approach based on quantum and optical principles for changing the perception of skin tone has garnered a patent for physicists at The City College of New York. The method, devised by a team led by professor Robert R. Alfano, involves...
Superconducting Detector Measures Single Photons
SANTA BARBARA, Calif., Nov. 5, 2013 — A new superconducting detector array that can measure the energy of individual photons is seen as a likely successor to CCDs and other semiconductor-based detectors for the visible and near-infrared regions, which are starting to hit performance...
Can Lasers Cure Alzheimer’s Disease?
GOTHENBURG, Sweden & WROCLAW, Poland, Nov. 4, 2013 — The malfunctioning protein structures that cause diseases such as Alzheimer’s and Parkinson’s can be found using just laser light, a team in Sweden and Poland has discovered. Researchers at Chalmers University of Technology in Sweden and...
THz Lens a New Tool for Biology
SYDNEY, Nov. 4, 2013 — A new terahertz lens made of plastic and metal has 10 times the resolution of any current metamaterial lens, making it a powerful tool for biological imaging, its creators say. The metamaterial lens was created using fiber optic manufacturing...
‘Plasmofluidic’ lens is tunable, reconfigurable
UNIVERSITY PARK, Pa. – Laser-induced bubbles on a metal film are the first demonstration of a plasmonic lens in a microfluidic environment. Integrating plasmonics and microfluidics could help in developing multifunctional plasmonic elements, highly sensitive biomedical...

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