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(38,293 articles)
Popular News
Imaging/Detectors: Machine Vision
Jan 1, 2000 — Three forces direct the evolution of machine vision: Enabling technology determines what is possible, algorithms determine what is practical, and applications determine what is desirable. Machine vision depends on two kinds of enabling technology, sensors and processors, but the field has not been economically powerful enough to significantly influence either. We use components designed primarily for other purposes and, from this, derive the enormous price/performance leverage generated by ...
Optics, Materials & Coatings: Micro-Optics
Jan 1, 2000 — The telecommunications industry was one of the first users of micro-optics, back in the 1980s. The integration of semiconductor lasers, micro-optics and fibers into small packages was the economic basis of efficient optical networks. Today...
Fiber Optics: Optical Fiber
Jan 1, 2000 — As the technology of transmitting and receiving light continues to evolve and improve, so will the technology of designing new and improved optical fibers. A variety of optical fiber designs -- ranging from improved standard single-mode fibers to...
Optics, Materials & Coatings
Jan 1, 2000 — Changes in the optics market are coming, and fast. The Internet and overnight courier services have changed customer expectations for service and immediate delivery. Improved PCs and easy-to-use optical design software are enabling customers without...
Fiber Optics: Passive Components
Jan 1, 2000 — Since the mid-1980s, optical fiber has been the backbone of telecommunications networks. Companies that make system hardware for these networks have traditionally been large, established and well-known. At the heart of the technology, however, are...
Imaging/Detectors: Photomultipliers
Jan 1, 2000 — Application demands for increased performance are stimulating photomultiplier manufacturers to continuously improve detectors and develop innovative devices. The demands are coming both from traditional applications such as gamma cameras and...
Instrumentation & Accessories: Positioning
Jan 1, 2000 — Decades ago, few people believed that industry would ever need to move macroscopic bodies by nanometers. Today it is a necessity. One example is in data storage. With the constant need for more storage capacity in smaller packages, drive components...
Imaging/Detectors: Scientific Imaging
Jan 1, 2000 — Five years ago, high-performance charge-coupled device cameras were slow, monolithic and difficult to use. Today, the cameras are significantly faster, often much smaller and almost completely software-controlled. In the coming several years, we...
Optics, Materials & Coatings: Design Software
Jan 1, 2000 — Any designer knows that real lenses aren’t just surfaces; they’re whole objects with edges, bevels, scratches, bubbles and so on. In real optical systems, some light always reflects when it should refract, and that light has the annoying...
Lasers and Light Sources: UV Lasers
Jan 1, 2000 — One application trend vital to the future of UV laser makers has been the miniaturization of electronic devices brought on by an explosive demand for communications and information technology. As demand increases for portable gadgets such as...
Optics, Materials & Coatings: UV Optics
Jan 1, 2000 — Ten years ago, the ultraviolet- transmitting optic was considered a mature, developed product. Today market forces are challenging suppliers to dramatically improve UV optical performance. Suppliers who can meet the challenge will participate in at...
Fiber Optics: Transmitting Photons
Jan 1, 2000 — Bandwidth fever drives technology trends toward flexible, all-optical networking solutions. The number of companies claiming to be specialists in market forecasting for fiber optic communications should provide a clue to the immense size of...
Corning Agrees to Acquire Optovac, Siemens Operations
Jan 1, 2000 — Corning Inc. of Corning, N.Y., has agreed to acquire Optovac Inc. of North Brookfield, Mass., from EM Industries Inc. The terms of the agreement were not disclosed. Optovac produces calcium fluoride optics for ultraviolet lithography of...
Mars Lander and Descent Camera Lost
Jan 1, 2000 — Project manager Richard Cook of NASA’s Jet Propulsion Laboratory in Pasadena, Calif., said that the Mars Polar Lander flight team will continue trying to communicate with its lost space probe, including an over-flight of the landing site with...
Nikon Presents 1999 Photomicrography Awards
Jan 1, 2000 — Nikon Inc. of Melville, N.Y., has announced the winners of its 1999 International Small World Competition. Founded in 1975, this annual contest honors excellence in photomicrography. The photographs were judged on originality, informational content,...
Pegasus Explores Next-Generation Internet
Jan 1, 2000 — A two-year, $7.5 million contract from the Defense Advanced Research Projects Agency will fund research into three key technologies for the next-generation Internet. The research consortium, called Pegasus, includes Drexel University, the...
Lucent, Astarte Introduce Optical Routers
Jan 1, 2000 — Lucent Technologies of Murray Hill, N.J., has announced the development of its all-optical WaveStar LambdaRouter. The router comprises 256 input/output fibers and a micromirror array. The 256 independent mirrors in the array deflect incoming signals...
Laser Ablation Shapes Precision Optics
OSAKA, Japan — Trying to precisely shape optics and achieve low wavefront distortion with conventional polishing methods can be a daunting task, particularly for optical components that are larger than 50 cm or smaller than 1 cm. For both large and small optics,...
Army Lab Uses Lasers to Detect Explosives
Jan 1, 2000 — A team of researchers from the US Army Research Laboratory at Aberdeen Proving Ground, Md., described the results of a study on the application of laser photofragmentation/fragmentation detection spectrometry to energetic materials in the Oct. 20...
Fiber Optic Array Provides Real-Time Gel Analysis
LUND, Sweden -- LUND, Sweden -- Capillary electrophoresis has become a useful analytical tool, with laser-induced fluorescence imaging offering improved detection. Researchers from Lund University and the Lund Institute of Technology have taken it a step further,...
Infrared Spectromicroscopy Technology Identifies Bacteria That Eat Toxic Waste
Jan 1, 2000 — Chemical and biological mechanisms had been suggested to explain the transformation of hexavalent chromium, a toxic industrial discharge, into a less dangerous trivalent form. Now scientists at the Lawrence Berkeley National Laboratory in Berkeley,...
Photonics Takes Bubble’s Temperature
Jan 1, 2000 — Researchers from the University of Illinois at Urbana-Champaign reported in the Oct. 21 issue of Nature that the temperature of imploding bubbles reaches thousands of degrees kelvin. Scientists studying cavitation by ultrasonic stimulation had...
One Chirping Laser Sings 1022 Frequencies on a Fiber
HOLMDEL, N.J. -- HOLMDEL, N.J. -- In standard communications math, 40 lasers + 40 modulators + one fiber = 40 channels of dense wavelength division multiplexing. In Lucent Technologies’ new math, one laser + one modulator + one fiber =...
Researchers Create Tunable Photonic Bandgap Crystal
TORONTO — Researchers around the world are investigating the properties of photonic crystals, the low-loss periodic dielectric lattices that influence the propagation of electromagnetic waves. Semiconductor materials with electronic bandgaps -- electron...
Device Varies Dispersion Compensation
Jan 1, 2000 — At OECC ’99 in Beijing, researchers from Avanex Corp. of Fremont, Calif., and Fujitsu Laboratories of America Inc. of Sunnyvale, Calif., described a chromatic dispersion compensator for optical communications based on Fujitsu’s virtually...
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