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(38,345 articles)
Popular News
PHOSPHOR DISPLAYS
Nov 1, 2007 — Part of the Phosphor Science and Engineering series, Cathodoluminescence and Photoluminescence: Theories and Practical Applications addresses advances and challenges in the field. The 168-page volume provides recommendations for improving cathodoluminescent and photoluminescent phosphor display devices in terms of energy efficiency, image quality, color fidelity, operational lifetime and production cost. It relates flickering phenomena to the threshold resolution power of the human eye and...
ILLUMINATION GUIDE
Nov 1, 2007 — The 152-page Field Guide to Illumination covers traditional illumination in imaging systems as well as advances in the computer-aided design of high-efficiency nonimaging illumination optics, along with source models that support these techniques....
RESIZING IMAGES
Nov 1, 2007 — Available in an expanded edition, the e-book A Basic Guide to Resizing Digital Images is a practical illustrated guide to resizing (up- and downsizing, enlarging and shrinking) digital images that are stored in bit-map or raster formats, including...
CVD DIAMOND SITE
Nov 1, 2007 — Element Six Ltd. has launched an online shop where customers can purchase standard grades of its synthetic industrial diamond products made with the chemical vapor deposition process. The e-shop will allow academic researchers and industrial users,...
POLYMERS AND LIGHT
Nov 1, 2007 — Reflecting the multidisciplinary nature of the field, the 396-page book Polymers and Light: Fundamentals and Technical Applications is designed to serve as a textbook for students and as a resource for polymer, physical and organic chemists,...
LED LIGHTING SITE
Nov 1, 2007 — TT electronics’ IRC Advanced Film Div. and Optek Technology Inc. have launched an LED Web site to assist lighting designers and engineers in converting to LED technology from traditional incandescent or fluorescent lighting. The portal details LED...
TEM CCD CAMERA
Nov 1, 2007 — A four-page brochure on the Veleta 2k × 2k-megapixel side-mounted transmission electron microscope CCD camera has been released by Olympus Soft Imaging Solutions GmbH. Downloadable from the company Web site, the document notes that the Soft Imaging...
HEXAPOD POSITIONERS
Nov 1, 2007 — A brochure titled “Hexapod Six-Axis Precision Parallel Kinematics Systems” is available from PI (Physik Instrumente) LP. Downloadable from the company Web site, the 20-page document presents a variety of standard and custom hexapod positioners and...
SINGLE-MODE FIBER
Nov 1, 2007 — A data sheet titled “SingleMode Mid InfraRed Fiber” is available from IRphotonics. Downloadable from the company Web site, it notes that the fibers are manufactured with a fluoride process that enables a wide range of cutoff wavelengths, and that...
PHOTONIC TESTING
Nov 1, 2007 — Agilent Technologies has released its two-volume “Lightwave Catalog 2007/2008,” which is available in pdf or in print. The resource details the company’s products for photonic testing of next-generation cost-effective optical devices as well as its...
Watery Laboratory Whets Interest
Nov 1, 2007 — Aquanauts have been strapping on scuba tanks, wet suits and other gear for years to study the marine environment located about nine miles southeast of Key Largo in the Florida Keys National Marine Sanctuary. On their latest mission, they had some...
Chair’s Light Illuminates the Not So Light
Nov 1, 2007 — You might want to think twice before plopping down in one of these chairs. Sure, they look comfortable, and they probably are. But if you are weight-conscious (and who isn’t?) and hide your extra poundage like a closely guarded secret, these...
Stacked Pixels
Nov 1, 2007 — In the past 10 years, the image sensor market has grown tremendously, fueled in part by the combination of CMOS image sensor technology and the proliferation of camera phones. More recently, the rate of innovation in image sensors has stabilized and...
Advances in Camera Phone Picture Quality
Nov 1, 2007 — As camera phones become ubiquitous, consumer demand for a photographic experience similar to that of traditional digital cameras is growing. Coupled with the ready availability of high-definition displays, this need has translated into a requirement...
Big Challenges of Small Pixels
Nov 1, 2007 — The burgeoning camera phone market is creating a growing need for very compact high-megapixel sensors. Highly shrunken pixel designs for such sensors present challenges such as reducing pixel crosstalk and color disparity, eliminating image lag and...
Open-Loop Image Control
Nov 1, 2007 — Because of the current trend of decreasing pixel size to increase pixel count on CMOS imaging sensors, autofocus is becoming necessary to maximize the use of the sensor in its full-resolution capability over a wide depth of field. Hence, autofocus...
Phone Enables Instant Image Capture
Nov 1, 2007 — Some mobile phone camera users want a device with true point-and-shoot ability — a camera that captures high-quality images over a wide variety of object distances with no time delay. Whether shooting panoramas, portraits or close-ups, or even...
Optimizing an EMCCD for Spectroscopy
Nov 1, 2007 — Since it was introduced to the analytical research industry, electron-multiplying (EM) CCD technology has been successfully employed in a variety of spectroscopy applications, and its use has led to dramatic improvements in signal-to-noise ratio...
Organic Thin-Film Solar Cell Research Conducted at Stanford University
Nov 1, 2007 — Global energy consumption is inexorably increasing, driven by population growth and the wave of industrialization in developing countries. Today the world uses about 13 TW of power. Projections are that about 30 TW will be needed by 2050. The sun...
A New Approach to Adaptive Optics for Materials Processing
Nov 1, 2007 — When it comes to shaping the intensity patterns or wavefronts of light, fixed lenses are convenient, but often the need for frequent reshaping requires adaptive optical elements. There are a number of such active technologies, each with advantages...
Suspended in Film and Placed Over Microcavities, Quantum Dots Become Brighter
Nov 1, 2007 — According to a group of researchers comprising members from Georgia Institute of Technology in Atlanta, from Iowa State University in Ames and from Agiltron Inc. of Woburn, Mass., suspended quantum dots are brighter because they are removed from the...
Joining Optical Components with Silica Nanoparticles
Nov 1, 2007 — Assembling optical components requires some type of bonding mechanism, often using epoxies, glass frits or other materials to join two or more pieces. No matter what type of bonding material or process is used, however, there often are limitations...
Quantum Dots as Tiny Thermometers
Nov 1, 2007 — As technology gets smaller and smaller, it is becoming increasingly difficult to take accurate temperature readings in systems that are measured in the micro- and nanometer ranges. Researchers from the University of California, Berkeley, and from...
Efficient Deep-Blue Organic LED Created
Nov 1, 2007 — An efficient deep-blue organic LED (OLED) that could be used for display applications has been created by researchers in Taiwan. Although a number of such devices have been fabricated in recent years, important structural information about how...
Portable Ozone Detection Without the Heat
Nov 1, 2007 — Too much ozone can cause breathing problems, especially among asthma sufferers, because it irritates the lungs. Concerns over ground-level emission of ozone, by common devices such as early-model photocopiers and laser printers, have driven the...
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