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(38,124 articles)
Popular News
Replica Molding: Complex Optics at Lower Costs
Jan 1, 1997 — Researchers at Harvard’s Chemistry Department are exploring new ways of fabricating complex, optically functional surfaces, components and devices using elastomers as starting materials. Organic polymers in elastomeric molds show promise because they can create complex surfaces that would be otherwise difficult to generate. Polymer shrinkage and mold distortion could be a problem, but generally, this technology shows great promise for the future…
Smart Lightpipe Designs Provide Cost-Effective Optics
Jan 1, 1997 — For a technology that doesn't get much respect, lightpipes are undergoing remarkably rapid applications growth. Lightpipes carry light from sources -- incandescent or fluorescent lamps or light-emitting diodes -- to illumination tasks. Applications...
Optical Software Undergoing Dramatic Change
Jan 1, 1997 — Lens design software once was characterized by large, expensive and user-unfriendly programs running on large, expensive and painfully slow mainframe computers. Lens design was almost exclusively the domain of dedicated professionals in classical...
All Solid-State Lasers: An Industry Option with Big Potential
Jan 1, 1997 — Improvements in the size, power, lifetime and ruggedness of solid-state lasers has truly improved their chances in a marketplace that sees a laser as a device and not necessarily a tool. As applications for solid-state devices grow, researchers will...
The Proactive View From Germany
Jan 1, 1997 — As part of a joint presentation on Germany’s drive to keep pace in global, high-tech competition in research development and production, the Institute for Economic Research in Hamburg, Germany, suggests that the country must embrace an economic...
Coherent Expands with Purchase of Finnish Wafer Processor Stock
Jan 1, 1997 — In a move to expand its capabilities and market share in the semiconductor laser industry, Coherent Inc. of Santa Clara, Calif., has acquired 80 percent of the outstanding shares of Finnish epitaxial-wafer producer Tutcore OY Ltd. Coherent also has...
Entries Sought for Advanced Technology Program Competition
Jan 1, 1997 — The US Department of Commerce is seeking entries for R&D awards under its Advanced Technology Program. The department will make $20 million to $25 million available to support private industry's development of innovative, high-risk technologies...
Pentagon Doles Out $570,000 in Research Grants to Aculight
Jan 1, 1997 — The US Air Force Wright Laboratory Armament Directorate has awarded a $400,000 Small Business Innovation Research Phase II contract to Aculight Corp. of Bellevue, Wash., to develop a 20-kHz, 1.5- to 2.4-µm eye-safe laser illuminator for...
Hughes to Build Redesigned Infrared Missiles for Navy
Jan 1, 1997 — The US Navy has awarded a $169 million contract for its new Sidewinder AIM-9X missiles to Hughes Missile Systems of Tucson, Ariz. Sidewinder missiles use infrared technology to seek out enemy aircraft by locking on to the heat signatures of their...
Thermo Optek, Laser Science Walk Away from Acquisition Deal
Jan 1, 1997 — Thermo Optek Corp. of Waltham, Mass., has retracted its bid to acquire Laser Science Inc. of Newton, Mass. The Thermo Instrument System subsidiary withdrew its registration with the US Securities and Exchange Commission for up to 400,000 shares of...
Two-Photon Therapy Holds Promise as Cancer Treatment
Jan 1, 1997 — OAK RIDGE, Tenn. -- A two-photon laser technique holds the promise of treating deep-tissue cancers such as early-stage breast cancer, say the scientists who developed the technique. Researchers at Oak Ridge National Laboratory employ a mode-locked...
Laser Dissection Aids Pathologists, Patients
Jan 1, 1997 — WASHINGTON -- Researchers battling cancer and other debilitating diseases will soon have a new weapon in their arsenal. A technique developed at the National Institutes of Health (NIH) will enable pathologists to assess the molecular behavior of...
Alice's Restaurant at the End of the Universe
Jan 1, 1997 — INNSBRUCK, Austria -- Physicists are approaching a practical application for a remarkable property of photons, something Einstein called "spooky action at a distance." Science recently reported that researchers at the University of Innsbruck...
Chromium-Doped Crystal Shows Near-Infrared Tunability at Room Temperature
Jan 1, 1997 — Scientists at the City University of New York have grown a chromium-doped laser crystal that they say is tunable in the near-infrared spectral range at room temperature. The researchers demonstrated gain-switched, tunable operation of the Cr4...
New High-Rejection Optical Filters Aid in Comet Exploration
Jan 1, 1997 — Scientists at the University of Wisconsin and Acton Research Corp. of Acton, Mass., have developed two high-rejection optical filters for use in NASA's suborbital rocket. NASA will use the filters, which reject VUV and UV rays at 166 nm and 260 nm,...
US Commerce Department Revises Directory of Standards Activities
Jan 1, 1997 — The 1996 edition of Standards Activities of Organizations in the United States (SP 806) from the US Commerce Department's National Institute of Standards and Technology summarizes the standards activities of more than 700 organizations. The newly...
Fiber Brings 'Live' Response from Ocean Floor
Jan 1, 1997 — TUCKERTON, N.J. -- In a scene that would make Jules Verne happy, scientists at Rutgers University and the Woods Hole Oceanographic Institute have established the first permanent fiber optic link that allows live, two-way communication with...
Holographic Light-Diffusing Technique Could Improve Flat-Panel Displays
Jan 1, 1997 — A novel holographic light-diffusing technology promises to improve lighting in flat-panel display and specialized flashlight applications. Developed by Physical Optics Corp. of Torrance, Calif., the technique helps shape diffuse light beams by...
Firms Look for Partners in Deep-Ultraviolet Lithography Research
Jan 1, 1997 — ASM Lithography of Tempe, Ariz., and IMEC, a research and development organization in Leuven, Belgium, will collaborate on 193-nm-wavelength deep-ultraviolet lithography. The companies will work to develop advanced optical processes that produce...
MSX Galaxy Maps Yield Highest Resolution
Jan 1, 1997 — The Midcourse Space Experiment (MSX) observatory-class satellite delivered mid-infrared maps of the center of our galaxy with a resolution 15 times better than the previous best taken by the Infrared Astronomical Satellite. The image at left is a...
Optical Fingerprint Recognition Could Have Applications in Bank, Internet Security
Jan 1, 1997 — GAITHERSBURG, Md. -- Researchers at the National Institute of Standards and Technology (NIST) have combined optical correlation methods and digital neural networks to provide more accurate real-time fingerprinting for financial, credit and Internet...
New Phosphor View Promises Display Advances
Jan 1, 1997 — ALBUQUERQUE, N.M. -- A fresh insight into the nature of phosphors promises brighter, more colorful displays and, ultimately, a challenge to liquid crystals for dominance in the portable display market, say scientists at Sandia National...
High-Resolution Technology Opens the Door to New Displays
Jan 1, 1997 — SUNNYVALE, Calif. -- A fundamentally new approach to display technology may revolutionize those alphanumeric readouts on phones, microwaves, pagers and dashboards. In response to increasing demands for higher information content and higher...
Russian Laser at Duke University Pumps out UV, Gamma Rays
Jan 1, 1997 — DURHAM, N.C. -- After settling in at Duke University, the Russian free-electron laser (FEL), has been brought to life emitting UV beams. The OK4 optical klystron FEL, developed at the Budker Institute of Nuclear Physics in Novosibirsk, Russia, was...
Summit Technology Wins FDA Approval for Further Clinical Tests
Jan 1, 1997 — Waltham, Mass.-based Summit Technology Inc. will expand clinical trials of its excimer laser system to treat farsightedness, thanks to approval from the US Food and Drug Administration. The trials will test the company's SVS Apex Plus excimer laser...
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