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(38,345 articles)
Popular News
Using Lithography to Enhance LED Efficiency
Sep 1, 2007 — To increase the brightness of LEDs, the devices’ current-spreading layers can be synthesized from indium tin oxide instead of nickel and gold. Texturing the surface of the indium tin oxide layers can boost light output further. However, techniques used for patterning these top layers can deteriorate the diodes’ electrical properties, and they are hard to reproduce on an industrial scale. At the National Cheng Kung University in Tainan, Taiwan, researchers have created LEDs with a method that...
Patterning Films with Fewer Steps
Sep 1, 2007 — A team of researchers from the University of Illinois at Urbana-Champaign and from Anvik Corp. of Hawthorne, N.Y., has demonstrated a fabrication technique that inscribes patterns onto thin films of indium tin oxide in fewer steps than are typically...
Solar Cells, Array Films Constructed from Nanotubes
Sep 1, 2007 — Thin-film solar cells have been fabricated from double-walled carbon nanotubes, a material that is relatively untapped in photovoltaic designs but that offers high photoconductivity, mobility and stability. Researchers from Tsinghua University in...
The Electronic Paper Chase
Sep 1, 2007 — The growth of flat panel displays over the past decade has been a remarkable story and has enabled the proliferation of flat screens into a number of product categories. Flat panel displays are used primarily in televisions, computer monitors,...
Flat Panel Displays Go Green
Sep 1, 2007 — The LCD is now the dominant flat panel display and continues to take market share from other technologies. These displays span from small units for handheld devices to large panels for wall-mounted televisions. Although they are not yet available to...
OPTICAL FILTERS
Sep 1, 2007 — A manufacturer of optical filters for the biotechnology and analytical instrumentation markets, Semrock Inc. has released its “2007-2008 Catalog.” The 56-page document presents six product families for a variety of applications, including microscopy...
DIGITAL DETECTORS
Sep 1, 2007 — Spectrum Detector Inc. has released the four-page brochure “Detector Instruments for Radiometry and Optical Power Measurement,” which describes the SPI-D-50 pyroelectric, SSI-D-55 silicon and SGI-D-55 germanium modular digital detector instruments....
Thin, Colorful Carbon Films
Sep 1, 2007 — A research group comprising members from Tohoku University in Sendai, Japan, and from Peking University has found that when a thin anodic aluminum oxide (AAO) film on an aluminum substrate is coated uniformly with carbon, the result is an...
Scanning Light Microscopy Uses Nonlinear Properties of KNbO3 Nanowires
Sep 1, 2007 — Efficient second harmonic generation and wave mixing make potassium niobate (KNbO3) nanowires ideal sources of tunable, coherent light and instruments for subwavelength microscopy, according to Peidong Yang and his group from the University of...
DIGITAL CAMERAS
Sep 1, 2007 — Andor Technology has launched a redesigned Web site that features a new home page and navigational structure. The resource provides information on the company’s product range, which includes spectrographs, scientific cameras, microscopy systems,...
LASER SAFETY FORUM
Sep 1, 2007 — The Board of Laser Safety, an affiliate of the Laser Institute of America, has introduced an online forum for sharing information, concerns and new ideas relating to laser safety. This global channel is designed to serve as an instrument for...
LASER BEAM DELIVERY
Sep 1, 2007 — Haas Laser Technologies Inc. has launched a Web site that showcases its products and services. Providing features, specifications, diagrams and photographs, the portal details laser beam delivery components, retrofits, enclosures and related items...
OPTO DEVICES
Sep 1, 2007 — An 11-page brochure from Opnext Inc. presents the company’s opto devices, including the HL6354MG low-operating-current 5-mW red laser diode, which offers long battery life and high optical output power, and the 640-nm HL6366/67/78DG models, with 80...
FTIR SPECTROMETERS
Sep 1, 2007 — A2 Technologies has redesigned its Web site to provide detailed information on its products, including the Mobility series Fourier transform infrared (FTIR) spectrometers and the Real-Time Oil Analysis and Reporting (ROAR) software. Visitors to the...
OPTICAL TESTING
Sep 1, 2007 — The third edition of Optical Shop Testing describes tests that are carried out in the optical shop that are applicable to optical components and systems. It compiles research being conducted in optical engineering, encompassing changes in the field...
FIBER OPTIC SUPPLIES
Sep 1, 2007 — The “Communication Fiber Optics 2007” catalog from Fiber Instrument Sales Inc., downloadable from the company’s Web site, includes descriptions and color photographs of numerous items, including attenuators, microscopes, multifiber cable, power...
CMOS/CCD SENSORS
Sep 1, 2007 — Targeted to systems analysts and integrators, the 375-page volume CMOS/CCD Sensors and Camera Systems discusses pixels, datels,disels and resels; radiometry and photometry; and CCD fundamentals, including photodetection, array operation and...
ADHESIVES GUIDE
Sep 1, 2007 — Bacon Industries Inc. offers an updated adhesives selection guide that can be viewed and downloaded from its Web site. Featuring adhesives for bonding, potting, sealing, impregnating and coating, the five-page guide lists viscosity, work life,...
INDUSTRIAL ENCODERS
Sep 1, 2007 — BEI Industrial Encoders, an operation of Custom Sensors & Technologies Inc., has released BEI Industrial Encoders for Dummies, a guide to optical encoders for both novices and experts in the field. The company has partnered with the publishers...
ROBOTIC SYSTEMS
Sep 1, 2007 — KMT Robotic Solutions Inc. has launched a Web site within the KMT Group portal to showcase its systems for robotic edge finishing, arc welding, water-jet cleaning and cutting, laser and router trimming, and materials handling and dispensing for...
PHOTOVOLTAIC MODULES
Sep 1, 2007 — A four-page brochure from Spire Corp. titled “Photovoltaic Module Production Lines and Manufacturing Equipment” discusses the company’s Spi-Cell Sorter, which tests solar cells and sorts them according to performance characteristics prior to the...
LASER SAFETY CD
Sep 1, 2007 — “Limits: Laser Safety in Industry and Research — An Interactive Training System” is an English and German language multimedia CD from Laservision GmbH & Co. KG. Consisting of nine sections as well as a glossary with cross references and more...
Virtual Investigations
Sep 1, 2007 — Video games have come a long way since Pong. Many kids — and more than a few adults — entertain themselves for hours by battling invading aliens, pretending to be rock stars or gunning the throttle of a dirt bike to edge out a virtual competitor...
Welcome to Science TV
Sep 1, 2007 — Is photonics going Hollywood? The science of light and optics is being packaged, produced and projected onto television screens across the US. Producers hope that the segments, currently aired on more than 60 subscribing television stations...
Developing a Nondestructive Way to Characterize Cement Alternatives
Sep 1, 2007 — The production of Portland cement — with which concrete is made — is responsible for about 5 percent of the world’s CO2 emissions. Among the efforts to reduce anthropogenic carbon emissions is the scientific investigation of geopolymers made from...
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August 2024
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