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Industrial News
Frequency-Doubled Red Diode Laser Produces Ultraviolet Light Efficiently
May 1, 1997 — Japanese researchers have taken another step toward a compact ultraviolet light source that has great potential in high-density optical storage and biomedical applications. Scientists at Matsushita Electric Industrial Co.'s Development Center in Osaka, Japan, reported in Applied Physics Letters that they had frequency-doubled a 684-nm laser diode by directing it through a 150-µm-thick LiTaO3 quasiphase-matching crystal. This produced 30 µW of ultraviolet light at 342 nm, with a...
Industry, Science
May 1, 1997 — The ultimate light source is a flexible device that OEMs could plug into machines that cut steel and aluminum, assay chemical or biological samples, produce printing plates, communicate from satellite to submarines, or investigate the atmosphere....
Laser Machines Microthrusters
May 1, 1997 — LOS ANGELES -- As part of a program to create a mass-producible nanosatellite, scientists at the Aerospace Corp. are developing batch material processing techniques that use UV lasers to create complicated 3-D micro- and mesoscale structures in...
Laser Technique Reveals Metal Contamination in Soil
May 1, 1997 — Commercial ships require routine repainting, and when the old paint is sandblasted from the anchors and hulls, lead and other metals contaminate the soil. Environmental assessment of these sites typically involves collecting soil samples at various...
Precision Laser Machining Consortium Fosters Diode Array Development
May 1, 1997 — The Precision Laser Machining Consortium is promoting the development of diode pump arrays, components critical to diode-pumped solid-state lasers. Diode pump arrays are used commercially to improve the speed and precision of advanced industrial...
Telecommunications Equipment Sales Rise, Bolstered by Internet
May 1, 1997 — Factory sales of telecommunications equipment rose 16 percent to $63 billion last year, spurred by rapid gains in Internet and intranet usage. The Telecommunications Industry Association reported that US exports of telecommunications equipment...
Uniphase Shares Blue Laser Patents
May 1, 1997 — SANTA CLARA, Calif. -- Biotechnology, semiconductor inspection and optical data storage are among the potential beneficiaries of a friendly agreement that allows Coherent to use some Stanford University patents in a new generation of compact blue...
Adaptive Optics Aim for Earthly Applications
Apr 1, 1997 — Large Earth-based telescopes use adaptive optics to measure and compensate for rapidly fluctuating wavefront distortions that blur the images of objects viewed through the turbulent atmosphere. Compensation for turbulence is important in many other...
Fiber Optic Gyros Put a New Spin on Navigation
Apr 1, 1997 — Aircraft, spacecraft and ships have long benefitted from using gyroscopes to help them navigate, and recently advances in photonic gyroscopes have brought this technology into the mainstream. These improved gyroscopes -- based on fiber optic...
Infrared Imager Helps Evaluate Papermaking Process
Apr 1, 1997 — The papermaking industry is among the highest consumers of energy in the US, and researchers at the Institute of Paper Science and Technology (IPST) in Atlanta are working to make the process more energy efficient. They chose Secaucus, N.J.-based...
Israeli Conference Marks Industry's Anniversary
Apr 1, 1997 — JERUSALEM -- A glimpse into the future by the laser's discoverer and a retrospective on the development of holography highlighted the 10th Meeting on Optical Engineering held last month at Jerusalem's International Convention Center. Keynote...
Optical Sensor Keeps Tabs on Rocket Fuel
Apr 1, 1997 — MARLY-LE ROI, France -- Bigger is not always better -- especially when you are building rockets. A new optic sensor under development in France could provide flight engineers with the first pressure readings from inside the liquid gas fuel tanks...
Outdoor Laser Safety Is in the Hands of the FAA
Apr 1, 1997 — WASHINGTON -- Laser safety issues are again on the bargaining table. This time, the Federal Aviation Administration (FAA) is facing the National Transportation Safety Board (NTSB), and the impetus is a series of incidents involving lasers and...
Photonics Eyed To Cut Light Bills
Apr 1, 1997 — OAK RIDGE, Tenn. -- Using collectors to gather sunlight and optical waveguides to transport the light, researchers at the US Department of Energy's Oak Ridge National Laboratory have put together the first pieces of a hybrid lighting system that...
Side-Pumping Diodes Mean More Power for Materials Processing
Apr 1, 1997 — SUNNYVALE, Calif. -- A novel technology in which a side-pumped laser diode drives a solid-state laser source could mean more power and greater precision for materials processing applications, say the scientists who developed it. Use of diode lasers...
UK Photonics Exhibition Continues to Grow
Apr 1, 1997 — BIRMINGHAM, UK -- The fourth Image Processing & Optic Technology exhibition in February introduced more than 2000 people to the latest photonics technology from more than 100 companies. The general attitude of exhibitors and attendees at the...
French Navy Looks at Optical Sensors to Avoid Electromagnetic Pulses
Mar 1, 1997 — Photonetics SA and the Direction des Constructions Navales are making final tests on a wide range of optical sensors and systems to prove that optical networks are the way to go. Using silicon wafers, glass plates and fiber optics, the French Navy...
Laser Sensors Help Reduce Waste at Wood Fiberboard Plant
Mar 1, 1997 — Eliminating waste is a prime concern for any manufacturing plant, not only from the financial standpoint, but also from the environmental one. At a Swanboard AB wood fiberboard manufacturing plant in Larvik, Norway, the problem was how to...
Laser Technique Sniffs Out Pollutants
Mar 1, 1997 — While many factors can diminish a city's quality of life, one literally takes residents breath away: smog. Traffic, industrial pollution, weather patterns and geography can turn a perfectly lovely city into a very hazy place. Cleaning the air...
Micro- and Nanosatellites Could Populate New Earth-Orbit Constellations
Mar 1, 1997 — A team of researchers from The Aerospace Corp., led by I.L. Helvajian, hopes developments in laser machining will allow space agencies and communications companies to produce satellites with diameters under 15 cm, the same way hardware manufacturers...
NASA Detector Could Help Prevent Gas Explosions
Mar 1, 1997 — Researchers at NASA Langley Research Center have developed an optical flameout detection system for monitoring the combustor in the research center's propulsion test air tunnel. The fast-responding (less than 100 ms) detection process monitors light...
OEM Agreement Targets New Digital Imaging Markets
Mar 1, 1997 — In an original equipment manufacturing agreement between Everest Imaging of Austin, Texas, and Computational Systems Inc. (CSI) of Knoxville, Tenn., CSI will develop new software for its digital imaging instrumentation, and Everest will market the...
Partnership Targets Laser Patterning for Flat-Panel Displays
Mar 1, 1997 — General Scanning Inc. of Watertown, Mass., and an undisclosed industry partner are developing a novel laser patterning system for use in the manufacture of flat-panel displays. The company will design and build a prototype system to prove the...
Photonic Cleaning Process Moves to Heavy Industry
Mar 1, 1997 — A process originally developed for the microelectronics industry and typically used for keeping semiconductor components free of minute contaminants could now prove to be a boon to tire manufacturers. In an unusual case of technology transfer, one...
Safer, Cheaper Laser-Based Alternative to Prostate Resection Presented
Mar 1, 1997 — Surgeon John Kabalin of Stanford University School of Medicine gave a presentation describing HoLRP, a new transurethral/endoscopic procedure he helped develop as an alternative to transurethral prostatic resection. Kabalin said the HoLRP is as...
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