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(38,322 articles)
Popular News
Satellite Imagery Will Aid Nature Conservation
Jan 1, 2003 — Under terms of an agreement with The Nature Conservancy, based in Arlington, Va., Space Imaging of Denver will provide Ikonos and Indian remote sensing global satellite imagery at a discount along with a number of select images free of charge. The conservancy will use the images, from new and archived collections, in planning land management and protection of biodiversity. The information will allow the agency to analyze recurring images to measure conservation progress and to broaden its...
Light Systems Integration Company Relocates
Jan 1, 2003 — Sunrise Instruments Ltd. has moved from Harpswell, Maine, to Hebron, N.H., and has changed its name to Sunrise Instruments LLC. The company integrates custom light measurement systems for the LED industry and designs and manufactures specialty light...
Palomar Technologies Acquires Nanopositioning Products
Jan 1, 2003 — Palomar Technologies Inc., based in Vista, Calif., has acquired the fiber automation division of Axsys Technologies Inc. of Santa Barbara, Calif. Renamed Palomar Photonics Automation, the organization will continue its operations in Pittsburgh as a...
BTG and INO Join to Broaden Photonic Applications
Jan 1, 2003 — BTG Inc. of Fairfax, Va., and INO of Sainte-Foy, Quebec, Canada, have allied to explore the commercial application of photonics technology. INO will have access to BTG's expertise in intellectual property and technology transfer, while BTG will...
Raytheon Provides Laser for Missile Defense
Jan 1, 2003 — Raytheon Co. of El Segundo, Calif., has delivered a track illuminator laser to Lockheed Martin for use in the US Air Force's airborne laser missile defense program. The diode-pumped Yb:YAG laser will be used to obtain information about a missile's...
Optra Wins Grant to Produce Optical Spectrometer
Jan 1, 2003 — The US Air Force has awarded Optra Inc. of Topsfield, Mass., a $700,000 Phase II Small Business Innovation Research grant to deliver a low-cost, open-path Fourier transform infrared spectrometer. Optra will use the device as an air-quality monitor...
Third-Quarter 2002 Industrial Laser Shipments Down from 2001
Jan 1, 2003 — A report from the Laser Systems Product Group of the Association for Manufacturing Technology shows that, at $96.1 million for the third quarter of 2002, shipments of industrial laser equipment and systems were down 8 percent from the year before....
Optomec to Develop Abrasion Repair Technology
Jan 1, 2003 — Under a contract from the Naval Air Systems Command, Optomec Inc. will use its Laser Engineered Net Shaping technology to develop a technique for leading-edge rollover abrasion on T700 US Navy aircraft engine parts. The shaping process would allow...
Air Force Supports Advancement of Solid-State Laser
Jan 1, 2003 — The US Air Force Research Laboratory's Directed Energy Direc-torate has awarded a contract of $16.9 million to Raytheon Co. of El Segundo, Calif., and one of $21.3 million to TRW Inc. of Redondo Beach, Calif., for the development of a 25,000-W...
Tunable Laser Implementation Agreement Is Completed
Jan 1, 2003 — The Optical Internetworking Forum has adopted four Physical and Link Layer Implementation agreements for tunable lasers; SFI-4, Phase 2, 10-Gb/s interface for physical layer devices; VSR4-05 OC-192 serial interface; and VSR5, SONET/SDH OC-768...
Digital Cameras Improve Canopy Photography
Jan 1, 2003 — A successful forester must know the best conditions under which to grow a desired type of tree. For example, managing oaks in Eastern forests requires that saplings be exposed to greater than 10 percent of full sunlight to optimize selective logging...
Pulsed Lasers Drill Rock for Fuels
Jan 1, 2003 — Once believed to be a pipe dream, drilling for oil and natural gas with lasers now shows great promise and is receiving the attention of researchers. A team at Argonne National Laboratory is investigating the use of pulsed CO2 and Nd:YAG systems for...
Laser Process Cuts Thick Steel
Jan 1, 2003 — As a building material, steel is unmatched for its combination of tensile strength and flexibility and for its low cost and weight. But working the material into tools and forms that can be used on an industrial scale can be difficult. A...
Cameras Monitor Rocket Launch
Jan 1, 2003 — On Nov. 20, Boeing launched its Delta IV Medium+ (4,2) rocket, which included one of the more significant advances in launch vehicle propulsion system design since the Apollo missions. To monitor the performance of this new technology, the company...
Sensor Tracks Soldiers' Vital Signs
Jan 1, 2003 — Battles may be won or lost on how well troops cope with stress and fatigue. In work sponsored by the US Army Medical Research and Materiel Command at Fort Detrick, Md., for the Warfighter Physiological Status Monitoring System program, investigators...
Optical Technique Probes MEMS Performance
Jan 1, 2003 — A new excitation/detection method based on light pressure and interferometric profiling can characterize a microelectromechanical systems (MEMS) gimballed mirror array. Besides enabling accurate, noninvasive process monitoring, the all-optical...
Electrons Accelerated to 200 MeV
Jan 1, 2003 — In pursuit of more powerful particle accelerators, a research team has accelerated electrons using an ultrafast Ti:sapphire laser by the forced laser wake field regime. The demonstration, by scientists from Imperial College of Science in London and...
Distributed Feedback Lasers Studied
Jan 1, 2003 — In response to the increase in Internet traffic, researchers at NEC Corp. in Shiga, Japan, are investigating low-cost, high-performance distributed feedback lasers for use in metropolitan area and access networks. They have demonstrated that the...
New Liquid Crystal Opens Optical Applications
Jan 1, 2003 — A group at the University of Central Florida in Orlando has developed a type of polymer-dispersed liquid crystal that offers a gradient droplet size distribution. The gradient refractive index profile can act as switchable prism gratings, as well as...
Light Determines Crystal Phase
Jan 1, 2003 — Chemists at Polytechnic University in New York and Illinois Institute of Technology in Chicago have used infrared radiation to produce crystalline phases that depend on the polarization of the light. The phenomenon may offer a "green" industrial...
Lasers Simulate Astronomical Phenomena
Jan 1, 2003 — The magnetic fields produced in the interaction of intense laser pulses and dense plasmas may enable researchers to test models of neutron stars and white dwarfs in the lab, suggests a team of European scientists. The group, which includes...
Liquid Crystal Offers Flexible Laser
Jan 1, 2003 — A new liquid crystal laser offers avenues to new applications, suggest scientists at Osaka University in Suita, Japan. They reported the device in the Nov. 11 issue of Applied Physics Letters. To fabricate the laser, they injected a mixture of...
Seaborne Reactors May Affect Neutrino Experiments
Jan 1, 2003 — Physicists at Stanford University in California suggest in the Nov. 4 Physical Review Letters that the neutrinos produced by nuclear reactors on naval vessels may interfere with neutrino oscillation research. They note, however, that Russian nuclear...
UV and Etching Treatment Improves Amorphous Silicon
Jan 1, 2003 — Illuminating hydrogenated amorphous silicon with ultraviolet radiation and etching it with a sodium-hydroxide solution reduces subsequent light-induced degradation of its photosensitivity, report researchers from the National Renewable Energy...
CMOS Challenges, What’s Next for CMOS Image Sensors?
Jan 1, 2003 — The use of complementary metal oxide semiconductor (CMOS) fabrication processes to produce image sensor array chips was first demonstrated in the late 1980s. Since then, the goal of integrating all analog and digital imaging circuits on a single die...
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August 2024
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