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Materials, Coatings News
Hamamatsu, Photek License Arradiance's Nanofilm Technology for Photodetectors
SUDBURY, Mass., June 4, 2015 — Arradiance Inc. has licensed its nanofilm microchannel plate (MCP) imager and detector technology to Photek Ltd. of St. Leonards-on-Sea, U.K. Terms of the deal were not disclosed. The technology, covered by 11 issued U.S. patents and several pending US and international patents, is used in production of photomultiplier tubes (PMTs) at several high energy physics installations worldwide. "Phototubes made using Arradiance's nanofilm technology demonstrate an order of magnitude
Coating Brings MEMS Flexibility to Laser Welding
ITZEHOE, Germany, June 2, 2015 — A new protective coating for silicon mirrors based on microelectromechanical systems (MEMS) allow precision cutting and welding with high-power lasers. Up to now, it has been possible to use these small mirrors only with laser outputs of a few...
Reflective Roof Cooler than Ambient Air Temperature
SYDNEY, June 2, 2015 — A potential new roofing material stays cooler than the ambient air temperature, even under the midsummer Australian sun. Comprising a coated polymer stack on a silver thin film, the surface exhibited nearly 100 percent solar reflectance and thermal...
Layer Structure Enhances Light Absorption
May 28, 2015 — A double absorbing layer based on amorphous silicon thin film is promising for solar cells because it considerably enhances the utilization of sunlight. Other potential applications can be found in the field of IR detection. Over the past few...
Materials Innovations Help LEDs Turn On
May 28, 2015 — For LEDs, changes in materials are cutting costs and boosting performance. That’s vital as light-emitting diodes move into new applications and general illumination, where cost is king. Cost has played a major role in the development and...
Laseroptik Increases Production Capacity for Thin-Film Coatings
GARBSEN, Germany, May 6, 2015 — Laseroptik GmbH has expanded from four to eight industrial ion-beam sputtering (IBS) machines to meet increasing demand for dispersive mirrors and dielectric filters for the UV. Additionally, one IBS coater has been built for coatings on large...
Expansion Doubles Diamond-Growing Capacity at Scio
GREENVILLE, S.C., April 28, 2015 — Scio Diamond Technology Corp. expected to complete an expansion in May that will more than double its capacity to create diamonds for optical and other applications. The company is refitting its current diamond-growing reactors with larger growing...
Displays You Wear
Apr 24, 2015 — Challenges still exist in the development of wearable devices, but continued advances may ultimately change how people interact with the world around them. It’s a case of a sight for sore eyes and other body parts, with display advances...
Fluorescent Ink Proposed as Anticounterfeiting Tool
EVANSTON, Ill., April 24, 2015 — Fluorescent inks could one day be used in multicolored barcodes to authenticate frequently counterfeited products. Developed by researchers at Northwestern University, the inks are invisible under normal light but reveal themselves under UV...
Advances in Industrial Color Testing of Automotive Metallic Finishes
Apr 3, 2015 — The measurement and characterization of lightness fluctuations, their scaling properties and their potential causes could help design low-noise industrial painting processes and help engineer innovative color and texture effects. The appearance of...
Breaking the Mold: Overcoming Manufacturing Challenges of Chalcogenide Glass Optics
Apr 3, 2015 — Fabricating optics using chalcogenides can be challenging because of these glasses’ special optical, mechanical and economical characteristics. Diamond-turned machining is a viable option for addressing some of the issues with the conventional...
Nanoparticles: Probing the Plasma Threshold
Apr 3, 2015 — Laser-induced plasma generation in nanoparticles has potential application in fields as diverse as medicine and materials processing. To fully harness this tool, it is important to understand how nanoparticles behave in strong laser fields and how...
Night Baseball: Made Possible by Light
Apr 3, 2015 — The nerve-racking snake draft is over, and everyone is on deck and ready for major league baseball’s first pitch on April 5. Being a rookie in a fantasy baseball league has made me contemplate just what it is I like about the game. I’ve...
Data For The Masses
Mar 26, 2015 — Hindsight is 20/20. In February of 1995, Newsweek published an article titled “The Internet? Bah!” wherein the author deemed the hype surrounding an online future to be a large helping of “baloney.” Twenty years later, fiber...
Nanolaser Uses Atomically Thin Gain Medium
SEATTLE, March 26, 2015 — With potential for on-chip optical communications applications, a tungsten-based nanoscale laser operates reliably on a tiny amount of electricity. Developed by researchers at Washington and Stanford universities, the device incorporates a photonic...
Photonics Advances in the ‘Land of Ideas’
Mar 26, 2015 — The Abbe refractometer. The stauroscope. The Easter Bunny, the modern tradition of Christmas trees, and the accordion. All of these originated in Germany, and each has made a significant impact on the world. And the country’s innovative spirit...
Natcore, Eurotron Partner on HIT Solar Cells
RED BANK, N.J., March 24, 2015 — Natcore Technology Inc. has teamed up with Eurotron B.V. to produce next-generation photovoltaic modules. The company recently announced that it had produced an all-back-contact silicon heterojunction with intrinsic thin layer (HIT) solar cell using...
Pairing of Silicon, Perovskite Promising for Solar Efficiency
CAMBRIDGE, Mass., March 24, 2015 — A pairing of silicon and perovskite has the potential to achieve significantly higher solar energy conversion efficiencies than standard, single-junction silicon cells. A prototype tandem solar cell developed by researchers at MIT and Stanford...
Squid Skin Inspires IR Camouflage Tape (with video)
IRVINE, Calif., March 24, 2015 — A protein derived from squid skin could be adapted into a kind of IR camouflage for soldiers. Researchers from the University of California, Irvine, have developed an adhesive film that, when stretched, reflects near-infrared light. Future versions...
Honeycomb Steers Light around Sharp Curves
ORLANDO, Fla., March 20, 2015 — Microscale plastic honeycomb structures can make light beams turn on a dime, a development that could allow more optical relays to be packed onto photonic integrated chips. These spatially variant photonic crystals (SVPCs) were designed by...
Quantum Materials Breaks ‘Stokes Shift Barrier’ for QD Clarity
SAN MARCOS, Texas, March 18, 2015 — Quantum Materials Corp. said it has found the secret for mass producing clearer, brighter quantum dots (QDs) for displays and other applications. The company said a patented, continuous-flow process allows consistent, high-volume production of QDs...
Melody Encoded onto Plasmonic Nanostructure
CHAMPAIGN, Ill., March 17, 2015 — With data storage capacity 5600 times greater than magnetic film, a chip made of tiny gold bow ties could be the next best place to store all your MP3s. Researchers from the University of Illinois at Urbana-Champaign recently created the first-ever...
Photoelectric Dye May Restore Some Sight to the Blind
OKAYAMA, Japan, March 13, 2015 — Photoelectric dyes may be used to send images to the brains of the blind, potentially presenting a simpler alternative to artificial eyes based on image sensors. Blind patients with hereditary diseases such as retinitis pigmentosa have dead...
Narrower Lasers Could Yield Better Atomic Clocks
COPENHAGEN, Denmark, March 10, 2015 — Atomic clocks lose 1 second every 300 million years, but that level of accuracy isn’t good enough for researchers at the Niels Bohr Institute. For even better precision, they’ve devised a new way to narrow the linewidth of the red lasers...
Nanowire Optical Properties Tuned by Alloy Catalyst
BERKELEY, Calif., March 9, 2015 — A new growth catalyst gives greater control over the colors of light emitted by gallium nitride nanowires. Rather than using a single metal, researchers at Lawrence Berkeley National Laboratory used gold-nickel alloys as a catalyst. By altering the...
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April 2024
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