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A Marriage Made in Self-Driving Heaven
Jun 2, 2017 — Meet Marilyn and Martti — automated cars developed by the VTT Technical Research Centre of Finland. They’re the first self-driving cars to be granted road traffic testing permits in the country, thanks to a suite of sophisticated optical sensors. VTT has dubbed the duo “spouses,” as they will soon begin not only sharing the road but exchanging information with each other in their driving environments. Automated car Marilyn. The automated cars can hear, see and
NASA Investigates Optical Coatings for Far-UV Spectral Range
GREENBELT, Md., June 1, 2017 — To meet the projected goals for its next generation of space telescopes, NASA is taking on a new optical challenge — the fabrication of protective coatings for mirrors to be used for astrophysics studies in the Lyman Alpha range. So far, no...
Graphene-CMOS High-Res Sensor Images Visible and IR Light at the Same Time
BARCELONA, Spain, May 31, 2017 — Graphene instead of silicon has been used for a CMOS integrated circuit, resulting in a high-resolution image sensor consisting of hundreds of thousands of photodetectors based on graphene and quantum dots (QDs). This graphene-QD CMOS sensor can be...
Jellyfish Proteins Used to Create Unconventional Laser
ST. ANDREWS, Scotland, May 31, 2017 — A polariton laser based on lab-grown, fluorescent jellyfish proteins could impact the fabrication of artificial optical devices, advance the field of optical computing — as it require less energy than conventional lasers — and aid in new...
Holographic Technique Traps Irregularly Shaped Microscopic Objects
DAEJEON, South Korea, May 26, 2017 — An optical manipulation technique that can securely control the position, orientation and shape of non-spherical microscopic samples, such as living cells, could have direct applications in biophotonics and soft matter physics. Although optical...
Quantum Effect Changes Direction of Light Waves
VIENNA, May 26, 2017 — In a variation of the magneto-optical effect, special materials called “topological insulators” (TI) demonstrated the ability to switch the direction of a light wave in clearly defined quantum leaps rather than continually. This...
Persistent Photoconductivity Used to Control Semiconductor Cells
RALEIGH, N.C., May 23, 2017 — Use of light to alter the conductivity of semiconductor material could provide a new way to control cell behavior on semiconductors used for bioelectronics. The approach draws on persistent photoconductivity, a phenomenon that causes some materials...
Light Exposure in the Evening Improves Sports Performance
BASEL, Switzerland, May 23, 2017 — A new study shows that athletes who are exposed to blue light before competing can significantly improve their end performance. Researchers at the University of Basel’s Department of Sport, Exercise and Health investigated whether light...
Images Alone Form a Dynamic 3D City Model Using Machine Learning
ZURICH, May 22, 2017 — “VarCity,” a technology platform that can be used to create 3D city models using image data alone, can use, evaluate and automatically combine images from all types of sources, including aerial photography, panoramic images taken with...
Unpolarized Single Photons Generated With True Randomness
SENDAI, Japan, May 22, 2017 — The generation of single photons in random polarization states from diamond could have significance in the development of quantum cryptography and the testing of fundamental problems in quantum mechanics. Until now, much of the research has been...
Perovskite Stability Could be Improved by Atomic-Scale Redesign
LONDON, May 19, 2017 — The mechanism that causes solar cells made with organic lead halide perovskites to rapidly deteriorate when exposed to oxygen and light has been discovered, and could provide the basis for solving issues related to long-term stability of perovskite...
Nanofiber Device Detects Forces and Sound Waves from Live Cells
LA JOLLA, Calif., May 18, 2017 — A novel nano-sized optical fiber, about 100 times thinner than a human hair, is sensitive enough to detect forces down to 160 femtonewtons (fN) (about ten trillion times smaller than a newton) when placed in a solution containing live Helicobacter...
Laser Pulses, Class of New Materials Show Potential for Energy Efficiency
TRIESTE, Italy, May 17, 2017 — An experiment that involves the cutting edge of condensed matter physics and materials science could make superconductivity at room temperature and more efficient energy usage a reality. An international collaboration, led by the scientists of...
Spectroscopy-Based Tool Detects, Measures Contaminants in Landfills
SÃO CARLOS, Brazil, May 16, 2017 — A method known as laser induced breakdown spectroscopy (LIBS) could offer a cleaner, faster and simpler approach than existing technologies for detecting contaminants in the fluids coming from landfills. Although conventional LIBS presents some...
Holographic Process Uses WiFi to Generate 3D Images
MUNICH, May 16, 2017 — A holographic imaging process that generates 3D images using the microwave radiation of a Wi-Fi transmitter could be used in automated industrial facilities to track objects as they moved through production. Although processes already exist that...
Photodielectric Discovery Could Mean Greater Optical Control for Electronics
NAGOYA, Japan, May 15, 2017 — The instrinsic photo-dielectric effect (PDE), which uses light to increase the permittivity of the dielectric used in capacitors, could aid in the development of photo-capacitors that would enable the remote control of the dielectric response via...
Researchers Develop Erasable Ink for 3D Printing
KARLSRUHE, Germany, May 12, 2017 — Direct 3D laser printing or laser writing uses a computer-controlled focused laser beam to generate the structures. The process produces micrometer-sized objects with defined properties. Researchers from the Karlsruhe Institute of Technology (KIT)...
Probe Delivering Optoelectronic Stimulation May Strengthen Understanding of Spinal Cord
CAMBRIDGE, Mass., May 10, 2017 — A rubber-like fiber that can flex and stretch with the human spine while delivering both optical impulses and electrical connections for stimulation and monitoring of the spine could be used in the study of spinal cord neurons and potentially to...
VTT Develops AR Tool for Astronauts
ESPOO, Finland, May 10, 2017 — An international project led by the VTT Technical Research Centre of Finland Ltd. has developed a new augmented reality (AR) tool for the European Space Agency. The tool aims to help astronauts perform maintenance tasks and real-time equipment...
Lighting up the Lungs to Detect Disease
EDINBURGH, Scotland, May 9, 2017 — A novel imaging tool that rapidly diagnoses bacterial lung infections could help physicians customize antibiotic treatment for patients in intensive care units. Currently, diagnosing bacterial infections relies on a slow process of detection...
Laser-Based Camera Enables 2D Femtosecond Videography
LUND, Sweden, May 8, 2017 — According to researchers, a video camera has been developed that can film at a rate equivalent to five trillion images per second, recording events as short as 0.2 trillionths of a second. The ultrafast camera, which enables 2D videography of...
Planar Laser-Induced Fluorescence Measures Jet Disintegration Quantitatively
GAINESVILLE, Fla. and WASHINGTON, D.C., May 8, 2017 — Spectroscopic diagnostic techniques were used to analyze the fundamentals of sub- to supercritical jet disintegration and mixing. The research could lead to a better understanding of the precise dynamics of fuel break-up and dispersion, impacting...
Lasers Zap Toxic French Fries
May 5, 2017 — “Lasers and french fries” doesn’t have the same ring as “hamburgers and french fries,” or even “ketchup and french fries,” but the strange combination could make the fast food a little safer when it hits the...
Quantum Effect Between Object and Probe Could Enable Higher Resolution AFM
May 5, 2017 — A novel technique, dubbed quantum atomic force microscopy, has the potential to significantly enhance the spatial, spectral and temporal resolution of AFM for nanometrology of materials. Researchers at Oak Ridge National Laboratory (ORNL) have...
Longer Duration Time Achieved for Continuous-Wave Organic Lasing
FUKUOKA, Japan, May 5, 2017 — An optically pumped organic thin-film laser has shown the ability to continuously emit light for 30 milliseconds (ms) — more than 100 times longer than previous devices. Organic thin-film lasers use a thin layer of organic molecules as the...

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