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Materials, Coatings News
Nanoengraving Technique Uses Chemical Etching to Achieve 100-nm Resolution
MOSCOW, Russia, Jan. 19, 2016 — A femtosecond laser deposition mechanism has achieved patterns on glass with 100-nm resolution. The method could allow quick and inexpensive production of nanoscale sensors and chips. Institute of Chemical Physics abbreviation applied to glass. Courtesy of ACS Publications/Applied Materials & Interfaces. The work resulted from a joint study by the Moscow Institute of Physics and Technology, Institute of Chemical Physics, Moscow State University and the Institute of Problems of
Star Measurement Technique Could Advance Materials Manufacturing
NUREMBERG, Germany, Jan. 19, 2016 — A method for studying the influence of gravity on the propagation of light has enabled laboratory study of surface curvature, a material property that could be leveraged to improve manufacturing of integrated optical circuits or micro-optic...
Fish-Inspired Fractals Guide Optical Coating Design
STATE COLLEGE, Pa., Jan. 14, 2016 — Fish scales could serve as a model for better broadband reflectors and custom multispectral filters. "We are proposing a model that uses fractal geometry to describe the layering in the biological structure of silvery fish," said Pennsylvania State...
Alluxa Expands Optics Manufacturing Facility
SANTA ROSA, Calif., Jan. 13, 2016 — Alluxa Inc., a provider of hard-coated optical filters, has expanded its manufacturing facility by 50 percent. The location now houses 10 identical plasma deposition machines and a larger area for coating, glass fabrication and assembly. The company...
Benefits of Stock Optics in Custom Designs
Jan 12, 2016 — Engineering projects involving optical systems have the same time and money constraints as other engineering projects. Just as electrical engineers learned long ago that integrating standard resistors, capacitors and switches could save money and...
Rick Hoffman Joins MicroCare as Sales Manager
NEW BRITAIN, Conn., Jan. 5, 2016 — MicroCare Corp., a manufacturer of precision cleaning, coating and lubrication products, has appointed Rick Hoffman eastern regional sales manager. A graduate from Bentley University, Hoffman has over 30 years of industrial sales experience with a...
Metasurface Encodes IR Images
PALAISEAU, France, Dec. 28, 2015 — Irregular metasurfaces can be made to encode multiple images at IR frequencies in much the same way as the pixels in a television screen can form a visible-light image. This was demonstrated with an array of subwavelength metal-insulator-metal (MIM)...
Semiconductor Interface Emits UV Light in Presence of Water
PHILADELPHIA, Dec. 17, 2015 — Just a few molecules of water can cause a complex oxide material to emit intense UV light, a discovery that could have bearing on chemical sensors and optical computing. The phenomenon was observed by a team led by researchers at the University of...
Carbon Sciences Funds UCSB Research into Graphene Optical Modulators
SANTA BARBARA, Calif., Dec. 17, 2015 — Carbon Sciences Inc. will fund R&D at the University of California, Santa Barbara, of a graphene-based optical modulator, a fiber optic component intended to address data center bottlenecks and enhance cloud computing. The company believes that...
Correlated Metal Films Eyed for Affordable Displays
UNIVERSITY PARK, Pa., Dec. 16, 2015 — A highly transparent and electrically conductive metal thin film holds promise as an alternative to indium tin oxide (ITO) in displays, windows, touch screens and solar cells. ITO is a transparent conductor used in more than 90 percent of the...
Injket Method Cuts Hologram Production Costs, Time
ST. PETERSBURG, Russia, Dec. 15, 2015 — Rainbow holograms like those used to protect credit cards and currency can be created with an ordinary inkjet printer, reducing production time and cost. The technique was developed at the St. Petersburg National Research University of Information...
Technique Sinters Thin Films at Lower Temps
CORVALLIS, Ore., Dec. 4, 2015 — A revised approach to the process of photonic sintering could advance thin films for solar cells, flexible electronics, sensors and other printed technologies by decreasing the temperature required for fabrication. Sintering is the fusing of...
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...
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...
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...
Kirigami Helps Solar Cells Track the Sun
ANN ARBOR, Mich., Nov. 18, 2015 — Kirigami, the ancient Japanese art of paper cutting, could help create flexible solar cells that track the sun to generate more electricity than stationary panels. With help from an art professor, researchers at the University of Michigan recently...
Laser Method Would Heat Fusion Materials Faster
LONDON, Nov. 16, 2016 — Directly targeting ions with lasers could heat certain materials to 1 KeV — equivalent to more than 10 million °F — in 20 fs, or 100 times faster than previously demonstrated. The method, proposed by researchers from Imperial College...
3D Printing Firm Prodways Acquires Exceltec for Polymer Laser Sintering Materials
LES MUREAUX, France, Nov. 16, 2015 — Prodways, a subsidiary of Groupe Gorgé, has acquired Exceltec SARL of Lyon, a company specializing in the development and distribution of polymer materials for industrial 3D printing using selective laser sintering. Exceltec develops...
Lightwave Logic Testing Organic Waveguides
LONGMONT, Colo., Nov. 16, 2015 — Lightwave Logic Inc. is banking on the potential of organic polymers to compete with metallic semiconductors in optoelectronics applications. The company recently began passive testing of ridge waveguide modulators fabricated using its proprietary...
Sir Richard Friend Awarded for Plastic Electronics Contributions
WARRENDALE, Pa., Nov. 12, 2015 — Sir Richard H. Friend is the recipient of the 2015 Von Hippel Award for his pioneering research on polymeric semiconducting materials, which has helped drive advances in LED and solar cell technology. In the 1980s, Friend initiated a research...
Plasmonic Absorbers Capture Specific Wavelengths
DURHAM, N.C., Nov. 11, 2015 — An experimental fabrication technique has created perfect absorbers for small bands of the electromagnetic spectrum from visible light through the near-infrared. The technique could allow advanced thermal imaging systems to be produced more quickly...
Lotus Leaf-Based Metamaterial Capable of Near-Total Light Absorption
TOKYO, Nov. 5, 2015 — An experimental biometamaterial fabricated using a lotus leaf as a template is capable of almost total absorption of light across the entire visible spectrum. Researchers from the Tokyo and Shibaura institutes of technology in Japan hypothesized...
Changing Frequency Speeds Phosphor Light Emission
PROVIDENCE, R.I., Nov. 4, 2015 — A technique for controlling light from phosphors at very high speeds could overcome the materials' slow optical performance, potentially enabling their use in optical communications. Phosphors are common light emitters used in light bulbs, LEDs and...
Resonetics Expands Materials Processing Capabilities with Acquisition of Mound Laser
NASHUA, N.H., Nov. 4, 2015 — Resonetics LLC has acquired Mound Laser and Photonics Center Inc., a manufacturer of microscale metal components for the medical device and defense industries, for an undisclosed sum. Mound Laser is based in Kettering, Ohio. Resonetics will expand...
Flexbright Partners with NNCRM for LED Project
KANGASALA, Finland, Oct. 16, 2015 — LED lighting manufacturer Flexbright Oy has partnered with the Nanotechnologies and Nanomaterials Centre of the Republic of Mordovia (NNCRM) to develop LED foils. The foils can be coupled with sensors and controlled wirelessly. They are suited for...
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April 2024
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