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PRODUCTS_Materials, Chemicals, Coatings News
Eco-Optics:
Apr 1, 1998 — Since the 1980s, people have grown more aware of their surroundings, the impact of industry on the environment, and the environmentally redemptive qualities of advanced technology. Whether it's a UV lamp optimized to detect mercury and other pollutants in the air and soil, an IR glow bar that illuminates hundreds of airborne chemicals or a coherent source somewhere in between, optical remote sensing methods are keeping tabs on our environment. Industrialists, concerned with meeting government...
Fiber Optic Sensors Sniff Out Chemicals
Apr 1, 1998 — Fiber Optic Sensors Sniff Out Chemicals
Spectroscopic Technique Images Cell Physiology
Apr 1, 1998 — Chemists and physiologists from the University of Illinois at Urbana-Champaign have developed an imaging technique that relies on fluorescence spectroscopy to provide detailed information about a cell's physiology. The scientists combined...
Cantilever Thermal Detector to Challenge Microbolometer
Mar 1, 1998 — Researchers at Oak Ridge National Laboratory have developed an uncooled thermal infrared detector that they hope will cut the costs of IR cameras by one-third. Researchers Panos Datskos and Slobodan Rajic have developed a microcantilever,...
Three-Laser Method Goes Beyond Diamond Films
Mar 1, 1998 — Three years after unveiling an advanced method for depositing diamond thin coats, QQC Inc. has disclosed that it used the same three overlapping pulsed lasers to improve the surface of metals, ceramics and polymers. The multilaser process gained...
Optical Coating Absorbs in UV Range
Feb 1, 1998 — Reducing stray light is a problem that engineers often encounter when designing optical instruments. One method of achieving this reduction is to apply absorptive coatings on an instrument's critical components. Applications for the coating are...
Optics Test Could Affect Future Microchips
Feb 1, 1998 — A recent test of optical coatings at MIT may lead to increased interest in solid-state light sources for next-generation microchip lithography. MIT staff scientist Vladimir Liberman conducted the study to evaluate the state of excimer-grade fused...
Raman Spectroscopy Detects Herbicides in Water
Feb 1, 1998 — Raman Spectroscopy Detects Herbicides in Water ANN ARBOR, Mich. -- Researchers at the University of Michigan have employed Raman spectroscopy to measure two herbicides in water. The herbicides, paraquat and diquat, contain chemicals that cause plant...
High Power Laser Optics:
Jan 1, 1998 — As power levels rise above 5 kW, optics become critical to the performance and reliability of laser systems. These applications demand consistent laser-quality ZnSe that is defect free and has bulk absorption at or near theoretical values. Other...
Honey, I Shrunk the Lab
Jan 1, 1998 — PRINCETON, N.J. -- In a development reminiscent of Hollywood, chemists may soon find their extensive laboratory set-ups reduced to the size of a small laptop computer. Luckily, the chemists themselves can remain full size. Using microfabrication and...
Laser Vibrometer Heightens Speaker Design
Jan 1, 1998 — The VPI 4000 scanning laser vibrometer produces a clear picture of what is happening on the surface of the speaker. Courtesy of Mackie Design. The company's first loudspeaker product, the HR824, represents its commitment to quality through the...
Lasers Track Air Pollution
Jan 1, 1998 — Chemical emissions in the Earth's atmosphere profoundly affect the weather. When dust, soot, ice or sea salt act as catalysts, atmospheric chemicals can reduce or contribute to smog, global warming and the ozone hole. Scientists studying climate...
Molecular 'Antenna' Captures Light
Jan 1, 1998 — Researchers from the University of Michigan at Ann Arbor and the University of Illinois at Urbana-Champaign have developed a class of dendrimer molecules that "harvest" light. The molecules have a unique, treelike structure that enables them to...
Optical Gel Senses Chemicals
Jan 1, 1998 — PITTSBURGH -- By forming a functionalized gel around an array of colloidal particles, researchers have created a sensor that indicates the presence of specific chemicals by a shift in the gel's optical diffraction. Now they can use optical methods...
Software Gauges Efficiency of AR Coatings
Jan 1, 1998 — A British researcher has developed software that analyzes new antireflection coatings for optical systems. Geoff Adams, of UK-based Optical Software Co., has developed WinLens for Spindler & Hoyer -- software for designers of multi-glass...
IR Beamsplitter Coatings Reduce Gas Analyzer Size, Cost
Nov 1, 1997 — A manufacturer of gas-analysis equipment had developed a product that could quickly and accurately measure up to 250 hydrocarbon gases, but it was not without its problems. It was a large, expensive instrument. The company determined that a...
Sensors' New Clothes Enhance Efficiency
Nov 1, 1997 — ALBUQUERQUE, N.M. -- A new coating for chemical sensors promises to increase their sensitivity by a factor of 500. The porous coating, developed at Sandia National Laboratories, is less than 1 µm thick, but its extremely high surface area makes...
US Navy Uses Acousto-Optic Device to Detect Chemicals
Nov 1, 1997 — An acousto-optic tunable filter instrument worked comparably to a CCD-based monochromator for a recent chemical warfare detection test, according to US military researchers. K. Ewing of the Naval Research Laboratory in Washington explained during a...
FTIR Examines Engine Deposits
Oct 1, 1997 — CHESTER, UK -- Collaborators from Queen's University in Kingston, Ontario, Canada, and the Shell Research and Technology Centre Thornton in Chester have combined chemical separation with Fourier transform infrared (FTIR) spectroscopy to examine...
Researchers Patent Handheld Probe
Oct 1, 1997 — SEATTLE -- For more than 15 years, scientists have fine-tuned a technique that determines the presence and concentration of chemicals by analyzing reflected light. Known as surface plasmon resonance, the technique is useful for detecting pollution...
Clue to Boy's Killer
Sep 1, 1997 — Laser enhances image In the Martinez case, forensic specialists applied super-glue (cyanocrylate) fumes to the print and rinsed the surface with rhodamine, a fluorescent dye. Then they exposed the print to the laser; the light was passed through an...
New Regulation Hits California Optics Makers
Sep 1, 1997 — DIAMOND BAR, Calif. -- Optics companies in Southern California will have to change dramatically the way they clean their manufacturing systems, according to a regulation recently passed here. In what it calls its biggest step against airborne...
Europeans Aim to Decorate Plastics
Aug 1, 1997 — Lambda Physik has teamed up with several partners for the European Brite/Euram III development program to design a system for laser decoration. The proposed system will create permanent multicolor patterns and photographic images directly on various...
Excimer Lasers, High-NA Optics Push Lithography
Jul 1, 1997 — BALTIMORE -- Developments in excimer lasers and high numerical aperture optics technology are pushing photonics into the forefront of semiconductor microlithography, where laser-created feature sizes have already dipped below 0.25 µm.David...
Integrated Circuit Uses 'Critters' to Detect Contamination
Jun 1, 1997 — OAK RIDGE, Tenn. -- What's half living, half machine and can sniff out pollutants and chemicals in a single whiff? The latest microsensor technology from the US Department of Energy's Oak Ridge National Laboratory (ORNL) combines living luminescent...
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June 2024
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