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(38,322 articles)
Popular News
Recycling: From Leftovers to LED Lights
Nov 30, 2015 — Light-emitting diodes (LEDs), such as those found ubiquitously in holiday lights, television sets and other devices, now have been fabricated from food and soft-drink waste. Researchers at the University of Utah in Salt Lake City have found a method to turn food waste such as discarded pieces of tortilla into carbon dots (CDs), a type of quantum dot (QD), which are then turned into a material for use in LEDs. Their synthesis process could be an environmentally sustainable alternative to
Top Stories of 2015 from Photonics.com
Nov 30, 2015 — Flexible Film Creates Colors from Reflected Light June 2015 A team at the University of Central Florida’s College of Optics and Photonics (CREOL) in June developed an ultrathin, color-changing film that reflects rather than emits light. This...
Thin-Film Optical Filters for Phase Control Applications
Nov 30, 2015 — Thin-film filters (TFFs) can create virtually any spectral shape imaginable to modify the transmission or reflection of light in optical systems. During design, strong emphasis is often placed on optimizing the amplitude response, although for many...
Fluorescence Spectroscopy: A Powerful Method for Surface Analysis
Nov 30, 2015 — The analysis of technical surfaces is crucial for the optimization of lubrication, coating or cleaning processes, especially with regard to achieving and assuring better quality of final products. Frequently, the essential requirements for an...
With Fiber Comes Miles-Long and Multiplexed Sensors
Nov 30, 2015 — How do you spot a landslide before it happens, or improve the efficiency of an airplane or rocket engine? Fiber may be the answer. Fiber sensors can transport interrogating light into otherwise unreachable places. They can also collect information...
Remembering Teddi Laurin, a Photonics Industry Champion
Nov 30, 2015 — As I began to write this editorial, I was reflecting on 2015 and the technological advancement and innovation we’ve seen industrywide. However, my thoughts quickly turned to our founder, Teddi Laurin, to whom we said goodbye on Nov. 5. She is...
Process Minimizes Contact Reflectance in Solar Cells
STANFORD, Calif., Nov. 30, 2015 — Electrical contacts take up 5 to 10 percent of the surface of conventional solar cells, reflecting sunlight and hampering power generation. A simple chemical reaction can cause those contacts to recede while exposing more of a cell's...
Lensless Camera Thinner than a Dime
HOUSTON, Nov. 30, 2015 — Using a gridlike mask instead of a lens, a camera system thinner than a dime could pave the way for imaging systems embedded in flexible, foldable and even disposable media. FlatCam detects a linear combination of light from multiple scene elements,...
PureLiFi, Lucibel Collaborate to Develop LiFi Luminaire
EDINBURGH, Scotland, Nov. 30, 2015 — Two European companies will develop and market the continent's first fully industrialized luminaire based on LiFi — high speed, bidirectional, networked and mobile wireless communications using light. The partners are PureLiFi, a light...
Ophir-Spiricon Partners with US Army for Workforce Training
NORTH LOGAN, Utah, Nov. 30, 2015 — Ophir-Spiricon LLC is making it a priority to hire veterans by participating in the U.S. Army's Partnership for Youth Success program. "We are excited to welcome Ophir-Spiricon to our team of corporate [and] government agency partners in the...
NKT Photonics Supplies Supercontinuum Lasers to Leica Microsystems
BIRKERØD, Denmark, Nov. 30, 2015 — Leica Microsystems GmbH has signed a 14-month supply contract with NKT Photonics A/S to deliver its SuperK EXTREME supercontinuum lasers to power the Leica TCS SP8 X confocal microscope for bioimaging. The white-light laser enables excitation at any...
Application Note: Airborne Spectrometers Monitor Volcanic Emissions
DUNEDIN, Fla., Nov. 27, 2015 — Flying into the maws of active volcanoes, spectrometers from Ocean Optics will help scientists study the effects of eruptions on climate. As part of the Trail by Fire project, the Flame miniature spectrometers will be flown directly below volcano...
IR Missile-Jamming System Tested on Military Transport Plane
HAIFA, Israel, Nov. 27, 2015 — A defensive laser and imaging system from Elbit Systems Ltd. was successfully implemented on an Airbus C295 military transport plane, jamming IR, ground-to-air, heat-seeking man-portable missiles (MANPADS) during a test flight. Elbit's MUSIC series...
Superacid Erases Thin Film Defects, Boosting Luminescence
BERKELEY, Calif., Nov. 26, 2015 — An organic superacid can smooth out defects in monolayer semiconductors, potentially making them more viable for applications such as transparent LED displays, ultrahigh-efficiency solar cells and photodetectors. The chemical treatment method...
Sick, MVTec Increase Collaboration
WALDKIRCH, Germany, Nov. 26, 2015 — Sick AG and MVTec Software GmbH are expanding their collaboration by integrating their hardware and software in machine vision systems. In addition to its own algorithms, Sick will use MVTec's Halcon image processing library for vision sensors, 3D...
Pleora Expands in Europe with Rauscher Distribution, Support Staff
OTTAWA, Ontario, Canada, Nov. 25, 2015 — Pleora Technologies Inc. is expanding its service to Europe through a distribution agreement with Rauscher GmbH of Munich and the placement of support staff. Rauscher will distribute Pleora's video interface products, providing applications support...
Theory: Increasing Vibrations Makes SERS More Powerful
LAUSANNE, Switzerland, Nov. 25, 2015 — Surface-enhanced Raman scattering (SERS) could become an even more powerful tool for probing single molecules if those molecules can be made to vibrate more, a theoretical model suggests. SERS is used to identify individual molecules based on their...
UK Creates £13M Photonics Manufacturing Hub
SOUTHAMPTON, England, Nov. 24, 2015 — More than 40 U.K. companies will take part in a photonics manufacturing research center to be led by the University of Southampton. The Future Photonics Hub will provide national leadership in manufacturing for next-generation photonics technologies...
Opsens Revenues Climb Following Regulatory OKs
QUEBEC CITY, Nov. 24, 2015 — Preparing to introduce to the global market its fiber optic sensor system for diagnosing and treating clogged arteries, Opsens Inc. ended its fiscal year with a 28 percent rise in revenue. The company reported a net loss of $2.9 million CAD (about...
Headwall, Bratney to Collaborate on Food Imaging
FITCHBURG, Mass., Nov. 24, 2015 — Hyperspectral imagers from Headwall Photonics Inc. will be integrated into machine vision systems for food handling from Bratney Companies of Des Moines, Iowa. Bratney's systems help sort and grade high-value nuts and whole food products, reducing...
Laser Cools Liquid for First Time
SEATTLE, Nov. 24, 2015 — A near-infrared laser has been used to cool water by more than 10 °C in what is believed to be the first instance of laser cooling in a liquid. A team of researchers from the University of Washington used a tunable CW laser to trap an...
Jonathan Kincaid Joins Idex Optics
BOULDER, Colo., Nov. 23, 2015 — Idex Optics & Photonics has appointed Jonathan Kincaid to its commercial strategic account team, supporting subsidiaries Advanced Thin Films and CVI Laser Optics. Kincaid worked previously in the medical laser and telecommunications sectors,...
Purdue Assembles Label-Free Imaging Research Team
WEST LAFAYETTE, Ind., Nov. 23, 2015 — As part of its strategic growth plan, Purdue University's College of Engineering has appointed a research team to develop label-free spectroscopic sensing techniques. Label-free imaging foregoes fluorescent dyes and other time-consuming sample...
Strobe LEDs for Ballistics Research Net Metaphase $250K Army Contract
BRISTOL, Pa., Nov. 23, 2015 — The U.S. Army has awarded Metaphase Technologies Inc. a $250,000 contract to develop and manufacture advanced high-speed LED strobed illumination equipment for ballistics research. The equipment will be used by the Army Test Center and Army Research...
Bell Labs Proposes Multiplexing Scheme for Petabit Communications
MURRAY HILL, N.J., Nov. 23, 2015 — A new multiplexing scheme could allow optical networks to transmit data at petabits per second — creating enough capacity to allow two-thirds of the U.S. population to simultaneously stream HD movies over a single optical fiber. Real-time...
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