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education News
Chiral Metamaterial Causes Optical Shift in mW Range
ATLANTA, March 9, 2017 — A metamaterial with chiroptical properties in the nonlinear regime has shown the ability to produce a significant spectral shift with power levels in the milliwatt (mW) range. Two absorptive resonances were spectrally modified through incremental exposure to power intensities beyond the material’s linear optical regime. A 15 mW change in excitation power was shown to cause a 10-nm spectral shift in the material’s transmission resonances and a 14-degree polarization
Nano 'Sandwich' Could Enhance Optical Properties, Tunability of Graphene
HOUSTON, March 7, 2017 — Use of a “nanoscale sandwich,” made from two atom-thick slices of graphene around nanoclusters of magnesium oxide (MgO), could expand the optoelectronic properties for graphene. Researchers at Rice University, using previous experiments...
Fluorogenic Polymer Can Detect Mercury Levels in Fish
BURGOS, Spain, March 7, 2017 — A novel fluorescent polymer that lights up when it makes contact with mercury that may be present in fish could be used to reduce the sale and consumption of fish containing mercury levels deemed to be unsafe by the European Food Safety Authority...
Small, Low-Cost Remote Sensing Satellites Could Orbit Much Closer to Earth
MANCHESTER, England, March 7, 2017 — Smaller and less expensive satellites may soon orbit much closer to Earth improving the quality of images they send back. The University of Manchester is heading up this project to develop remote sensing satellites that can operate at 200-450...
Marshall, O'Hagan Recognized by LIA
ORLANDO, Fla., March 7, 2017 — The Laser Institute of America (LIA) has awarded its 2017 George M. Wilkening Award to Wesley J. Marshall, principal of Laser Safety Specialties, for his contributions to laser safety. The George M. Wilkening Award is presented to individuals who...
PHABLABS Initiative Aims to Reach Youth, Young Professionals
BRUSSELS, March 7, 2017 — The PHABLAB 4.0 initiative, aiming to achieve lasting photonics integration in the expanding ecosystems of European Fab Labs and Makerslabs, has announced its startup phase. Together with 27 partners, tailored workshops and projects will be...
Low-Cost Monitoring Device Detects Oil's Fluorescence Fingerprint
VIGO, Spain, March 6, 2017 — A simple device composed of photodiode detectors can detect an oil spill in water and then pinpoint the type of oil present on the surface. Researchers from the University of Vigo created the device that is designed to float on water, where it could...
Material Reduces Signal Loss, Boost Efficiency of Light-Based Devices
LA JOLLA, Calif., March 3, 2017 — Photonic devices could see a reduction in optical signal loss, as a result of the discovery of a plasmonic metamaterial that compensates for loss of light energy by using a semiconductor to act as a light emitter. Plasmonic metamaterials typically...
Optical Nanoscopy Images DNA Naturally Fluorescing
EVANSTON, Ill., March 3, 2017 — A novel imaging tool that is able to capture images of DNA naturally fluorescing could advance the study of individual biomolecules and help uncover global patterns of gene expression. Existing methods for imaging DNA and other genetic material rely...
Rahmani Receives IUPAP Young Scientist Prize
ZURICH, March 3, 2017 — The International Union of Pure and Applied Physics (IUPAP) has awarded its Young Scientist Prize to Dr. Mohsen Rahmani. This accolade was given to recognize Rahmani’s contributions to light matter interactions at nanoscale, particularly...
Remote Sensor Networks Could Track Biodiversity on a Large Scale
MISSOULA, Mont., March 2, 2017 — Interconnected networks of remote cameras could be used to monitor biodiversity globally, helping to answer pressing ecological questions and guide conservation policy. A number of case studies have demonstrated the feasibility of using large-scale...
Researchers Develop Tunable and Controllable PL Compounds
OKINAWA, Japan, March 2, 2017 — A new strategy for producing photoluminescent (PL) compounds has been designed that has increased capabilities. These PL compounds are used in a variety of different products to include glow-in-the dark children’s toys, LED lights, and...
O'Hagan Receives LIA Rockwell Safety Award
ORLANDO, Fla., March 1, 2017 — The Laser Institute of America (LIA) has awarded its 2017 R. James Rockwell Jr. Award to John O’Hagan for his contributions to laser safety. The Rockwell Education Achievement Award recognizes individuals with outstanding contributions in...
Monitor Using Light Replaces Blood Test During Surgery
ORLANDO, Fla., Feb. 28, 2017 — Monitoring a surgical patient’s blood with light could provide real-time status updates during life-and-death operations and could replace the need for doctors to wait while blood is drawn and tested. Scientist and professor Aristide Dogariu...
Futuristic Foldable, Printable OLEDs
Feb 28, 2017 — Laptops and tablets are hard and breakable; many can’t handle harsh conditions. And bending or stretching them is out of the question. But what if you could fold up that tablet and stick it in your pocket? Or imagine an ultrathin smart tablet...
Quantum Dot Spectrometer in Development for Use in Space
GREENBELT, Md., Feb. 27, 2017 — A prototype of an imaging spectrometer based on quantum-dot technology could miniaturize and potentially revolutionize space-based spectrometers, particularly those used on uninhabited aerial vehicles and small satellites.
Reducing Collateral Damage From Laser Ablation
KAZAN, Russia, Feb. 27, 2017 — Laser ablation for varicose veins, while an effective and minimally invasive technique, can cause collateral damage to the surrounding healthy tissue due to the high output power of the laser. It is therefore important to optimize the laser...
Laser-Generated Bubbles Create 3D Liquid Images
UTSUNOMIYA, Japan, Feb. 27, 2017 — A volumetric bubble display using lasers allows viewers to see 3D images without 3D glasses or headsets. Researcher, Kota Kumagai of Utsunomiya University in Japan said the new work is currently a proof of concept, but one day might allow full-color...
Ultrashort High-Energy Pulses Show Promise for Faster Materials Processing
WARSAW, Poland, Feb. 24, 2017 — An innovative fiber laser that generates ultrashort high energy pulses in an optical fiber could soon shorten the time of processing materials in industrial laser machines. Warsaw optical scientists at the Laser Centre of the Institute of Physical...
Barcode Scanner Microscope Analyzes Complex Medical Problems
CANBERRA, Australia, Feb. 23, 2017 — An advanced microscope that uses barcode laser scanner technology can film moving blood cells and neurons in living animals. Engineers at The Australian National University (ANU) built the microscope using technology similar to retail barcode...
Achromatic Metalens Operates Over a Continuous Visible Bandwidth
CAMBRIDGE, Mass., Feb. 23, 2017 — The development of a flat lens that works within a continual bandwidth of colors close to that of an LED could lead to novel applications in imaging, spectroscopy and sensing. The development is based on the 2016 discovery of a planar metalens that...
Laser-Based Camera Improves View of Carotid Artery
ANN ARBOR, Mich., Feb. 23, 2017 — A scanning fiber endoscope (SFE) has been used to acquire high-quality images of possible stroke-causing regions of the carotid artery that may not be detected with conventional radiological techniques. Originally designed for early cancer...
Underwater Camera, Sensor System Track Dolphin Behavior in the Wild
CAMPERDOWN, Australia, Feb. 22, 2017 — A study testing novel underwater camera technology has opened the door to possible ways to advance conservation and rehabilitation efforts of wild sea creatures. A remote cetacean-borne video camera and integrated sensor system (C-VISS) was deployed...
Silicon Nanoparticles Used for Photovoltaic Windows
MINNEAPOLIS, Feb. 22, 2017 — Windows that can efficiently collect solar energy are one step closer to becoming a reality thanks to high-tech silicon nanoparticles. Researchers at the University of Minnesota and University of Milano-Bicocca have developed technology to embed the...
3D Computer Vision Helps Autonomous Vehicles Locate Themselves on Maps
BROOKLYN, N.Y., Feb. 22, 2017 — Self-driving cars need onboard artificial intelligence (AI) technology able to link them to highly detailed maps that reflect every change in the status of lanes, hazards, obstacles, and speed-limits in real time. Researchers at the NYU Tandon...
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September 2024
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