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MATERIALS, CHEMICALS, COATINGS NEWS
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Common Materials Could Simplify White LED Manufacturing
PISCATAWAY, N.J., Aug. 19, 2015 — Computational models are being used to 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 could be up to 90 percent cheaper than current methods that rely on rare-earth elements. The team created a PC-WLED by immobilizing a preselected molecular chromophore into a rigid coordination framework. This shifts the...

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Quantum Materials Partners With Display Manufacturer
SAN MARCOS, Texas, Aug. 3, 2015 — Quantum Materials Corp. has announced a joint development agreement with an unnamed, leading display panel manufacturer. The companies will be developing next-generation display technologies based on quantum dots. Research and development...
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Light Polarization Reveals Chiral Side of Silicon
PHILADELPHIA, July 24, 2015 — Polarized light can bring out an unexpected electrical property in silicon, potentially unlocking new possibilities for computing. University of Pennsylvania researchers examining a silicon device caused current to flow in one direction by...

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Intevac Receives Deposition System Order from Display Manufacturer
SANTA CLARA, Calif., July 22, 2015 — Intevac Inc. says a new, Tier 1 display customer has ordered a VERTEX physical vapor deposition system, used to provide enhanced scratch protection on mobile device displays, camera lenses and glass covers. Scheduled to ship in the fourth...
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PG&O Tapped for Gravitational Wave Project
SANTA ANA, Calif., July 17, 2015 — Precision Glass & Optics has been selected to manufacture four sets of 26 black glass optics panels for the Laser Interferometric Gravitational Wave Observatory (LIGO). LIGO consists of two large interferometers, one in Hanford, Wash., and...

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Laser-Writing of DVDs May Have a Speed Limit
PASADENA, Calif., July 14, 2015 — Phase-change materials used in DVDs and other digital storage media pass through a previously unknown intermediate atomic state under laser pulses. The discovery could lead to faster computer memory systems with larger storage capacity —...
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Laser Annealing Creates Nanoscale Lattices
UPTON, N.Y., June 23, 2015 — A new laser patterning technique can create large-scale, nanostructured grids that could enhance manufacturing of optical coatings, solar cells and touch screens. Developed at Brookhaven National Laboratory, laser zone annealing (LZA) involves...

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Fairbank Named Engineering Manager at DSI
SANTA ROSA, Calif., June 22, 2015 — John Fairbank has been named engineering manager at Deposition Sciences Inc. (DSI). Fairbank has 28 years of experience in the thin film optical coating industry, with core skills in technical project management, proposals and contracts. He...
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Berliner Glas Expands Optical Coatings Facilities
BERLIN, June 19, 2015 — The coating and surfaces division of Berliner Glas KGaA has expanded and moved to new premises. The company has installed 9687 square meters of new ISO Class 5 to 7 cleanrooms and optimized the layout of its systems, measuring equipment and...

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Shasta Crystals Adds Three to Advisory Board
SAN FRANCISCO, June 10, 2015 — Shasta Crystals Inc. has named three new members to its advisory board. The board now comprises six leaders in academia and industry with expertise in crystal growth, international business development, laser engineering, medical laser markets and...
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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 the UK and Hamamatsu Photonics KK of Japan. Terms of the deals were not disclosed. The technology, covered by 11 issued U.S....

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Coating Brings MEMS Flexibility to Laser Welding
ITZEHOE, Germany, June 2, 2015 — A new protective coating for silicon mirrors based on microelectromechanical systems (MEMS) allows 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...
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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...

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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. The new "Laserhof" facility in Garbsen. Courtesy of Laseroptik....
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Expansion Doubles Diamond-Growing Capacity at Scio
GREENVILLE, S.C., April 28, 2015 — Scio Diamond Technology Corp. is 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...

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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...
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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 the University of Washington and Stanford University, the device...

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Natcore, Eurotron Partner on HIT Solar Cells
RED BANK, N.J., March 24, 2015 — Natcore Technology Inc. has teamed up with Eurotron BV 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...
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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...

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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...
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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...

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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...
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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...

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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...
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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...






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