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Light Sources News
Celebrating Light in Ireland
Sep 1, 2015 — Bringing the excitement of optics and photonics to large audiences in public spaces requires enthusiasm, creativity and energy — and fortunately, many students have all of these qualities in abundance. The SPIE/OSA Chapter of the University College Dublin, led by President Laura Tobin, is a good example of how students are reaching out to encourage the celebration of light in 2015 and the next generation of scientists and engineers. — Judy Donnelly, column editor Some of the
Optics, Photonics Programs Are Lighting the Way
Sep 1, 2015 — While schools nationwide are welcoming students for the start of the new academic year, we profile three of the country’s top university optics and photonics programs — oldest to newest — that are shaping the future of the...
Lighting, Displays and More Go Organic
Sep 1, 2015 — From lighting and television screens to displays, smart devices and light-absorbing windows, OLEDs are turning up in an increasing number of applications. Many companies are taking advantage of the opportunities they provide, working on more...
New CO Laser Technology Offers Processing Benefits
Sep 1, 2015 — The development of a reliable, high-power source of mid-IR laser light gives process developers an important tool with unique characteristics that will significantly impact a diverse range of applications. The first carbon monoxide (CO)lasers were...
Common Materials Could Simplify White LED Manufacturing
PISCATAWAY, N.J., Aug. 19, 2015 — Computational models identify combinations of materials that could help reduce the costs of manufacturing white LEDs. Experiments by Rutgers University researchers suggest materials and processes for phosphor-converted white LEDs (PC-WLEDs) that...
Photonic Crystal Boosts QD Light Output
CHAMPAIGN, Ill., Aug. 10, 2015 — Combining quantum dot (QD) and photonic crystal technology could lead to brighter and more efficient displays and lighting. Researchers from the University of Illinois have developed a new method that extracts polarized light from QDs over a large...
World Economic Forum Names Heliatek ‘Technology Pioneer’
DRESDEN, Germany, Aug. 6, 2015 — The World Economic Forum has listed Heliatek GmbH, a photovoltaic solar film manufacturer, as a ‘Technology Pioneer’ in its annual list of the world’s most innovative companies. 49 companies were selected among hundreds of...
Cree, Epistar Sign LED Patent Agreement
DURHAM, N.C., Aug. 6, 2015 — LED manufacturers Cree Inc. and Epistar Corp have signed a worldwide patent cross-license agreement for LED chips. Under terms of the agreement, each party will receive a license to the other’s nitride LED chip patents and is granted certain...
LED-Based Heating, Cooling Method Leads to Faster DNA Diagnostics
BERKELEY, Calif., Aug. 6, 2015 — Developed by bioengineers at the University of California, Berkeley (UC Berkeley), an advanced thermal cycling system is expected to expand clinical and research applications associated polymerase chain reaction (PCR) tests. The technology has shown...
Chip-Scale Laser Produces White Light
TEMPE, Ariz., July 31, 2015 — Able to produce white light, a chip-scale semiconductor laser brings the technology one step closer to becoming a mainstream light source and potential alternative to LEDs. Brighter and more energy efficient than LEDs, the new laser design could be...
Nanoco Forms Quantum Dot Lighting Division
MANCHESTER, England, July 17, 2015 — Citing growing interest from the lighting industry, Nanoco Group PLC has formed a division to develop cadmium-free quantum dot (CFQD) technology. The company said it aims to develop CFQDs that provide high color performance without sacrificing...
QDs, Perovskites Team Up in Superefficient IR LEDs
TORONTO, July 16, 2015 — Getting the crystalline structures of quantum dots and perovskites to align could yield high-efficiency LEDs. Emitting in the IR region, these hybrid materials could have applications in night-vision and gesture-recognition technology, biomedical...
Plessey Wins £1.3M Grant for LED Development
PLYMOUTH, England, July 14, 2015 — Plessey Semiconductors Ltd. will lead a £1.3 million (about $1.1 million) U.K. grant to accelerate high-volume manufacturing of LEDs created with GaN-on-silicon technology. Project partners are Aixtron Ltd. of Cambridge and Bruker U.K. Ltd.'s...
Boron Turns Graphene into Blue Light Emitter
FRANKFURT, Germany, July 14, 2015 — Chemists at Goethe University Frankfurt have developed a new class of organic luminescent materials through the targeted introduction of boron atoms into graphene. The compounds exhibit an intense blue fluorescence and, consequently, are of interest...
Strain Measurement Optimizes Nanowire LEDs
COPENHAGEN, Denmark, June 30, 2015 — Tiny defects can affect the performance of nanowire LEDs. Now researchers have a way to detect these defects and potentially correct them. A team from the Niels Bohr Institute at the University of Copenhagen used x-ray microscopy to pinpoint exactly...
Continuously Disinfecting Light Fixtures Commercialized
KENOSHA, Wis., June 29, 2015 — Designed to continuously disinfect the air and surfaces in hospitals, a new line of light fixtures is about to hit the U.S. market. Developed at the University of Strathclyde in the U.K. and licensed to Kenall Manufacturing Co. Inc., the...
Century-Old Landmark Gets an Energy Boost
Jun 26, 2015 — It has been more than 125 years since the grander-than-life Eiffel Tower was first designed and constructed in Paris. It officially entered the 21st century in recent months, thanks to a project meant to push a significant reduction in its...
Lasers for Lithography
Jun 26, 2015 — The interaction between light source and process places demands on laser performance and parameters in applications such as semiconductor photolithography, maskless lithography and 3-D printing. Thanks to a light – and the right – touch,...
Simulation Software for Camera Selection
Jun 26, 2015 — It can be difficult to determine the best imaging system to meet various needs, as laboratory conditions and suitable image quality requirements are among numerous factors to consider. Simulation software is an option worth exploring. When you...
Space-Based Optics Are Taking Off
Jun 26, 2015 — Exciting times are on the horizon for space optics as the market evolves, customer needs change and the demand for products intensifies. A mixture of advancements in optical technology, more efficient manufacturing processes, and innovative...
The UK in Lights
Jun 12, 2015 — Discoveries by revolutionary scientists Augustin-Jean Fresnel, Thomas Young and others have helped shape the modern world of photonics. Technological innovations, ongoing education and training, and the International Year of Light 2015 continue to...
Maturing Market Means LED Makers Must Offer More
Jun 12, 2015 — With increasing efficiency, significantly improved thermal cooling and the emergence of low-priced LED solutions, the adoption of this solid-state lighting technology is shifting, and so, too, is the structure of the industry. Those in the LED...
Quantum Dots Used to Create 'Electronic Tattoos'
DAEJEON, South Korea, June 5, 2015 — Flexible, stretchable LEDs based on quantum dots can be manufactured in ultrathin sheets and applied to human skin like a sticker. These low-voltage "electronic tattoos" could be the next step in wearable technologies, according to researchers from...
Weiss Named General Manager of Gooch & Housego's Orlando Facility
ORLANDO, Fla., June 4, 2015 — Frank Weiss has been named general manager for Gooch & Housego PLC's operations in Orlando. Previously Weiss was vice president of advanced systems at Emcore, with business responsibility for R&D, operations and marketing of advanced systems...
Combating Darkness with Light
May 28, 2015 — It is no secret that light can be one of the most powerful tools in our arsenal. So when an application comes along and gives that energy a specific purpose against the backdrop of our past and present international political climates – along...
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August 2024
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