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(38,284 articles)
Popular News
Quick Screening Provides Key to New Luminescent Materials
Dec 1, 1997 — Researchers have long sought new compounds for ultraviolet-excited phosphors -- important for the development of flat panel displays and lighting. Because there are no reliable theories to predict the relation between composition and efficiency, scientists discovered the fewer than 100 commercial phosphor materials through time-consuming one-by-one synthesis and testing. This proved daunting for researchers, considering that there are more than 25,000 inorganic materials classified as...
Ring Laser Measures Earth's Rotation
Dec 1, 1997 — CHRISTCHURCH, New Zealand -- In an underground cave, deep within the Cashmere peninsula, the musical note E-flat has taken on special meaning. Researchers from the University of Canterbury have installed a giant ring gyroscope to keep track of...
New Sensor Combines CMOS and CCD
Dec 1, 1997 — DALLAS -- Engineers at Texas Instruments have combined the performance features of the charge-coupled device (CCD) and the manufacturing advantages of the complementary metal oxide semiconductor (CMOS) to produce what they call the bulk charge...
Diffraction Brings Street Signs to Life
Dec 1, 1997 — ROSKILDE, Denmark -- A new process that impresses holographic optical elements onto polymer rolls could significantly reduce the cost of keeping roads safe at night. According to Ibsen Micro Structures developmental engineer Michael Rasmussen,...
Pentagon's Laser Test Fails to Meet Objective
Dec 1, 1997 — When the Pentagon fired a mid-infrared laser at an orbiting US Air Force satellite in October, it failed to accomplish one of the experiment's main objectives: recording the impact. The Defense Department aimed the laser at an infrared camera...
Thomson and Oxford Unveil Fingerprint ID System on a Chip
Dec 1, 1997 — Set for release early next year, the chip uses thermal imaging to capture an image of a person's finger. The image data is then reconstructed by a Thomson algorithm, and the fingerprint is verified. Unlike other fingerprint verification systems, the...
Xerox Makes Colorful Splash with Blue Diode Laser
Dec 1, 1997 — PALO ALTO, Calif. -- A small -- a very small -- spot of color here and there is behind Xerox's development of a blue laser diode. Xerox hopes to use the nitride-based semiconductor technology to create a new line of high-resolution printers. Like...
Science Applications International Acquires Bellcore
Dec 1, 1997 — Science Applications International Corp., a provider of telecommunications, system integration and information technology, has completed its acquisition of Bellcore Co., based in Morristown, N.J. The move enhances Science Applications...
IR Camera Passes Antimissile Test
Dec 1, 1997 — The UK's Ministry of Defence recently conducted a round of tests on an infrared-based system designed to protect aircraft from heat-seeking missiles. Developed by Northrop Grumman Corp., the Directed Infrared Countermeasures System detects possible...
Germanium Causes Fiber Makers to See Green
Dec 1, 1997 — Bell Labs, the Atlanta-based research and development arm of Lucent Technologies, has developed a recycling process that salvages germanium from the waste products of optical fiber manufacturing. To make optical fiber, plants use vapors containing...
FujiFilm Microdevices and Kopin Forge Alliance
Dec 1, 1997 — FujiFilm Microdevices Co. Ltd. has tapped Kopin Corp. of Taunton, Mass., to provide its CyberDisplay active-matrix liquid crystal display (LCD) for FujiFilm's digital camera chip sets. The new chip sets should lead to cameras that have advanced,...
Senate Confirms Kammer as Head of NIST
Dec 1, 1997 — The US Senate confirmed Raymond Kammer to head the Commerce Department's National Institute of Standards and Technology (NIST). His confirmation comes after a long tenure with the department, where he held several prominent posts. From 1980 to 1991...
Sony Puts Blue-Green Laser to Work
Dec 1, 1997 — Sony has announced an optical disc recording system that employs a blue laser for high-density data storage. The 12-GB model uses a 515-nm blue-green laser unveiled by Sony in January 1996. A high-NA (0.85) lens focuses the beam on a 12-cm optical...
Microlens Arrays Sharpen the Details
Dec 1, 1997 — As devices that employ photonics components shrink, optical engineers increasingly are turning to the smallest tools at their disposal, and when it comes to lenses, they face a bevy of choices. One recent trend is toward collections of tiny lenses...
Diamonds Turn Out Precision Optics
Dec 1, 1997 — During the middle of the Cold War, the United States military establishment became upset about the cost of infrared components. The military was going to need increasing numbers of large-diameter germanium components to control the 'smart' weapons...
Photonics Goes for the Gold
Dec 1, 1997 — Locker-room quality control: Photonics improves athletes' performance When people use computers or audio equipment, ride cars and planes, or check out their groceries, photonics is there, making things run faster and better. That is becoming a fact...
Fiber Lasers:
Dec 1, 1997 — Ultrafast laser technology has seen revolutionary development in the last several years. As the technology has developed, so have commercial applications, prompting system developers to consider the needs of their industrial customers. Industry...
Photonics Leads the Way to a Stellar Alignment
Dec 1, 1997 — Stationed on 18-m towers in New York and California, a one-of-a-kind photonic device has played a crucial role aligning eight cylindrical mirrors and the telescope assembly for the Advanced X-ray Astrophysics Facility, NASA's newest space-based...
For High-Power Lasers, Thin Is Cool
Dec 1, 1997 — High-power diode-pumped solid-state lasers promise to provide small, versatile, rugged light sources for applications from the factory to the cleanroom. Commercial devices that take advantage of the latest generation of high-power diodes can produce...
Anritsu Focuses on Local Business
Dec 1, 1997 — Anritsu Corp. announced a globalization strategy that stresses its new motto: "A global company with a local face." The worldwide manufacturer of communications, industrial automation, and test and measurement products is linking its operations,...
Government Program Brings Big-Time Benefits
Dec 1, 1997 — WASHINGTON -- Guts and glory go hand in hand under the US Department of Commerce's Advanced Technology Program, which gives developmental and financial assistance to groups willing to take on high-risk research projects. A recent study of recipients...
Census Bureau To Count Lasers
Dec 1, 1997 — Under its existing industrial coding system, the US Census Bureau does not have a distinct designation for lasers and electro-optics. Productivity data from the agency has been of little use to electro-optics and laser manufacturers. To remedy the...
College Mixes Business with Engineering
Dec 1, 1997 — CHAMPAIGN, Ill. -- Engineering majors graduate from college with the skills to design and build lasers, optical systems and even spacecraft. When it comes to building their own businesses, however, they sometimes find they haven't had the training...
Consortium to Deliver Optical Materials Standards
Dec 1, 1997 — GAITHERSBURG, Md. -- UV lithography, IR imagers and spectroscopy are just a few of the industries that could benefit from a consortium proposed by the National Institute of Standards and Technology (NIST). The Optical Properties of Materials...
Declining Defense Budget Will Not Hinder Electronics Growth
Dec 1, 1997 — Despite projections that the US Department of Defense's overall budget will decline within 10 years, the portion of the defense budget allotted for electronics is expected to increase. That's the finding of the Electronic Industries Association's...
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