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(38,322 articles)
Popular News
Photonics West Stays the Course
Mar 1, 2003 — If trade shows are indeed barometers of an industry's health, this year's Photonics West indicates that the photonics industry is in a state of cautious optimism. When this will translate into increased capital spending, however, is the question still to be answered. Held in January in San Jose, Calif., the conference and exhibition sponsored by SPIE actually dipped a bit in attendance from last year's show, but event project manager Scott Walker said he had expected that. He reported a...
Computed Tomography Questioned for Lung Cancer Screening
Mar 1, 2003 — A new study from Johns Hopkins School of Medicine in Baltimore is questioning the value of computed tomography scans for lung cancer screening. Published in the Jan. 15 issue of the Journal of the American Medical Association, the report argues that...
Coherent Acquires Positive Light
Mar 1, 2003 — Coherent Inc. of Santa Clara, Calif., remains in acquisition mode with the announcement that it has signed a definitive purchase agreement to acquire Positive Light Inc., a Los Gatos, Calif.-based manufacturer of solid-state lasers for scientific...
Canada Supports Development of All-Photonic Network
Mar 1, 2003 — The Natural Sciences and Engineering Research Council of Canada has awarded McGill University of Montreal and its project partners a five-year, $7 million grant to develop a next-generation all-photonic fiber optic telecommunications network. Key to...
Agilent Acquires Assets of CMOS Imaging Developer
Mar 1, 2003 — Agilent Technologies Inc. of Palo Alto, Calif., has purchased the intellectual property and certain other assets of CMOS imaging technology developer Pixel Devices International Inc. of Sunnyvale, Calif. Pixel Devices has focused on image sensors...
Companies Collaborate on MEMS Technology
Mar 1, 2003 — Fairchild Semiconductor of South Portland, Maine, will supply OMM of San Diego with MEMS wafers for optical networking applications. The wafers are expected to provide higher yield and to lower the costs of OMM's manufacturing process. Fairchild is...
Molex Purchases Optical Shuffle Technology
Mar 1, 2003 — Molex Inc. of Lisle, Ill., has acquired certain assets of Schott Optovance of Southbridge, Mass., including its Optical Shuffle and LightDealer products. The Optical Shuffle is a tool for cross-connecting optical fibers from multiple-ribbon inputs...
Alliance Seeks to Automate Optical Component Manufacturing
Mar 1, 2003 — Unitek Miyachi Corp. of Monrovia, and Phasebridge Inc. of Pasadena, both in California, have signed an agreement to commercialize photonics assembly technology. Phasebridge will license elements of its patent-pending optical mount technology to...
CyOptics Acquires Manufacturing Plant
Mar 1, 2003 — InP device supplier CyOptics Inc. of Waltham, Mass., has purchased the optical component packaging capabilities of Cenix Inc. of Irvine, Calif. The acquisition includes the equipment, inventory and intellectual property of Cenix's development and...
UK University Wins Grant for Optoelectronics Research
Mar 1, 2003 — The Engineering and Physical Science Research Council of the United Kingdom has awarded a four-year, $600,000 grant to the Opto-electronics Group of the University of Wales, Bangor, to support its continued research in nanoscale and nonlinear...
Research into Helmet-Mounted Systems Continues
Mar 1, 2003 — Universal Display Corp. of Ewing, N.J., has received a two-year, $729,996 Small Business Innovation Research Phase II contract from the US Army to advance its conformable and transparent display technologies. It will focus on developing active...
Diode Laser Removes and Seals Grout
Mar 1, 2003 — To ease the removal and sealing of industrial grout for ceramic tile, Jonathan Lawrence of the School of Mechanical and Production Engineering at Nanyang Technological University and his colleagues at Manchester University's Institute of Science and...
MIT Investigates Photonic Uniforms
Mar 1, 2003 — Unmanned air vehicles such as the Predator and Global Hawk enable soldiers to engage an enemy from a safe distance. However, as impressive as these technologies may be, it still takes ground troops to hold a position. The military, therefore, is...
Fiber Sensor Detects Lithium
Mar 1, 2003 — With its ability to readily accept and discharge electron carriers, lithium is one of the most common species of elements in rechargeable power cells. When it comes in contact with water, however, it is highly volatile. Lithium batteries, therefore,...
Optical Gels Come of Age
Mar 1, 2003 — Optical gels were originally designed to improve return loss in mechanical splices of single-mode fiber, but they also have proved to be effective at index matching for a variety of optical components. One of the key advantages of an optical gel is...
Kilowatt-Class Fiber Lasers Feasible
Mar 1, 2003 — Investigations with high-power ytterbium-doped and erbium/ytterbium-codoped fiber lasers at the University of Southampton and Southampton Photonics Inc. in the UK indicate that the lasers could offer output powers greater than 1 kW, enabling them to...
Two-Color Cooling Proposed for Fermions
Mar 1, 2003 — Carlo Presilla and Roberto Onofrio of the Instituto Nazionale per la Fisica della Materia in Rome propose that the use of a bichromatic optical dipole trap will enable the realization of a deep Fermi degeneracy regime in a mixture of bosonic and...
Qubits Teleported over 2 km of Fiber
Mar 1, 2003 — A team of researchers at the University of Geneva has teleported quantum states carried on 1.3-µm photons onto 1.55-µm photons over 2 km of standard dispersion-shifted optical fiber. The experiment, which was described in the Jan. 30 issue of...
Nano-Islands Control Response Times
Mar 1, 2003 — By tailoring the distance between layers of optically inactive ErAs nano-islands in a semiconductor matrix, researchers at Max Planck Institut für Festkörperforschung in Stuttgart, Germany, and at the University of California, Santa Barbara, have...
Decohered Pairs Yield Entangled Photons
Mar 1, 2003 — Scientists at the Graduate University for Advanced Studies, Japan Science and Technology Corp. NTT Basic Research Laboratories in Japan have demonstrated that polarization-entangled photons suitable for applications such as quantum cryptography can...
Journal Features Visible Phenomena
Mar 1, 2003 — The Jan. 20 issue of Applied Optics features a series of technical papers on atmospheric phenomena that are observable with the naked eye. The introductory article argues that many contemporary scientific endeavors are far removed from our everyday...
AlN/Diamond Heterostructures Grown
Mar 1, 2003 — Using plasma-induced molecular beam epitaxy, a team at Technische Universität München in Garching, Germany, has grown N-type AlN on P-type diamond to form a heterojunction diode. The device, which was described in the Jan. 13 issue of Applied...
Crystals Shape Terahertz Pulses
Mar 1, 2003 — Scientists at Oregon State University in Corvallis have experimentally and theoretically examined the pulse shaping of terahertz radiation by optical rectification in poled lithium niobate. They suggest that the technique, which they reported in the...
Cerenkov Radiation Modeled in Photonic Crystals
Mar 1, 2003 — Researchers at Massachusetts Institute of Technology in Cambridge have simulated the emission of Cerenkov radiation by a moving charged particle in a two-dimensional photonic crystal. Based on their findings, which appear in the Jan. 17 issue of...
Chaotic Communication Tolerates Turbulence
Mar 1, 2003 — In an experimental analysis of a free-space optical communications system, researchers at the University of California, San Diego, and the Army Research Laboratory in Adelphi, Md., have determined that chaotic pulse position modulation enables...
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