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Energy News
Advanced Imaging Improves Armor Quality
Sep 1, 1998 — The development of "invincible" armor systems for ground vehicles, helicopters and personnel is a major thrust of the US Army Research Laboratory's Weapons Materials Div. at Aberdeen Proving Ground in Maryland. An advanced computed tomography (CT) imaging system is playing an important part in this endeavor. It assists in the Nondestructive Characterization of Armor Ceramics Program, which identifies and evaluates mission-critical armor systems including monolithic metals and ceramics, and...
Femtosecond Laser Explores Superdense Matter
Sep 1, 1998 — Researchers at the University of Michigan at Ann Arbor have used a high-resolution femtosecond laser that delivers trillions of watts to observe how and when electrons and atoms configure themselves in superdense environments. The work could lead to...
X-Ray Lasers:
Sep 1, 1998 — Since the demonstration of the first visible lasers in the 1960s, the prospect of a tabletop x-ray laser has intrigued chemists and biologists alike. Such a laser might finally unlock the many secrets of what goes on within cells or provide...
Photonics Shares in Environmental Advances
Jul 1, 1998 — Applications of photonics technology in research and development over the past decade have helped to create many technologies that will improve water safety, reduce wasted paper and make manufacturing and agriculture more environmentally friendly in...
Coating Method Makes Molecule-Thick Layers
Jun 1, 1998 — A method for dip coating a substrate with organic polymers may increase the efficiency of light-emitting diodes (LEDs) and computer displays while reducing costs and environmental hazards. The technique, being explored by a group of MIT researchers,...
Infrared Thermography Unearths Hidden Graves
Jun 1, 1998 — Rarely is a suspect tried for murder in a case where no corpse has been found -- a frustrating predicament when law officials believe they know the crime has been committed and who the murderer is. Homicide investigators and search specialists often...
Open Solar Telescope Overcomes Hot-Air Turbulence
Jun 1, 1998 — A new telescope perched 15 m above a mountaintop promises to solve many of the problems that plague telescopes designed to peer at the sun. Using a scheme that leaves the main mirror of the telescope open to ambient wind, solar researchers from...
Researchers Unveil Metal-Free Cathodes for LEDs, Photodetectors
Jun 1, 1998 — Scientists at Princeton University in New Jersey have developed a class of metal-free cathodes for use in organic light-emitting diodes (LEDs) along with phototransistors, photodetectors, solar cells and lasers. Typically, organic LEDs employ a more...
Spectra-Physics Wins $2.4 Million Contract for Optical Coatings
Jun 1, 1998 — Spectra-Physics has received a $2.4 million contract to develop optical coatings for the National Ignition Facility. The facility's laser system will require 8000 large optical components and 30,000 smaller ones. Spectra-Physics will manufacture the...
Filter Helps Predict Solar Flares
May 1, 1998 — Although it has been making tunable etalons since 1978, Queensgate Instruments Ltd. has outdone itself by developing a 150-mm etalon as part of a system that will enhance the US Air Force's ability to predict solar flares. In helping the Air...
NIST and Astralux Join to Develop Gallium Nitride Films
May 1, 1998 — Astralux Inc. in Boulder, Colo., and the National Institute of Standards and Technology have teamed up to process gallium nitride films on silicon carbide and sapphire substrates for use in industrial devices. Gallium nitride can be made into...
World's Largest Laser Shoots Photonics to a New Level
May 1, 1998 — It's been called the most ambitious laser project ever, a nuclear weapon deterrence insurance policy, a portal into the heart of a star and a source for inexhaustible energy. Under construction at Lawrence Livermore National Laboratory, the National...
Diode-Pumped Kilowatt Laser Is Brighter, More Powerful
Apr 1, 1998 — With the goal of advancing diode-pumped solid-state laser technology by making lasers brighter and more powerful, TRW Inc. of Redondo Beach, Calif., introduced its newest diode array-pumped kilowatt laser at Photonics West. The company says this...
Scientists See Glimpses of Sun's Corona
Apr 1, 1998 — Researchers from the National Center for Atmospheric Research in Boulder, Colo., and other institutions aimed new detectors at the sun's corona during the Feb. 26 solar eclipse. Scientists hope to use the information gathered to improve...
Software Makes Light Work of Optical Design
Apr 1, 1998 — It's not surprising that astronomers in California and Hawaii are watching the skies. They are searching for planets -- not the ones most of us are familiar with, but as-yet-undiscovered planets around nearby stars. The scientists are using the...
Rofin-Sinar Announces Laser Spinoff
Mar 1, 1998 — Rofin-Sinar Technologies Inc., a manufacturer of industrial laser products, announced that it has formed Rofin-Sinar UK Ltd. to develop and manufacture low-power CO2 lasers. The spinoff, which will be based in Kingston upon Hull, UK, will make...
Fiber Optic Probes Improve UV Raman Spectroscopy
Feb 1, 1998 — Raman spectroscopy has emerged as an important tool in determining analytical and structural information concerning low concentration aqueous biomolecules. However, many samples require in vivo or in situ sampling. To solve this problem, scientists...
Moon's Measure Is Old Stuff
Feb 1, 1998 — AUSTIN, Texas -- When a reporter from the London Daily Telegraph and, later, another from the British Broadcasting Co. phoned Peter Shelus, an astronomer at the McDonald Observatory, to ask about his research, the scientist was somewhat baffled. The...
OSA and SPIE Seek Closer Ties
Feb 1, 1998 — WASHINGTON -- Last month, the presidents of the two largest photonics societies asked their members what they thought about intersociety collaboration. So far, they report, the responses have been positive. "The feedback has been heavily on the side...
Future Looks Bright for Sol-Gel Techniques
Jan 1, 1998 — JENA, Germany -- Seven European partners have completed a three-year project to develop sol-gel processing techniques for waveguides, lens arrays, waveguide amplifiers, electro-optical modulators, switches and other elements. The goal was to develop...
Gallium-Arsenide Solar Cell Proves Twice as Efficient as Silicon
Nov 1, 1997 — Spectrolab Inc., a unit of Hughes Electronics Corp. of Los Angeles, has developed a gallium-arsenide solar cell that converts almost twice as much of the sun's energy as traditional silicon cells found on spacecraft solar-array panels. The solar...
IR Modeling Proves the Sun's in Hot Water
Nov 1, 1997 — WATERLOO, Ontario, Canada -- By comparing the infrared spectra of sunspots and a simulation of infrared spectra of very hot water, scientists have confirmed that very hot water does indeed exist in sunspots. Fiery eruptions on the sun, captured by...
Lasers Improve Uranium Enrichment
Oct 1, 1997 — LIVERMORE, Calif. -- Nuclear energy provides about 20 percent of the electricity used in the US, but separating uranium isotopes for power generation has been a power-hungry task itself -- until lasers offered a new method. To fuel nuclear reactors,...
Holographic Camera Users Wanted
Sep 1, 1997 — MD Diffusion of Schiltigheim, France, is looking for volunteers who use holographic cameras to test the company's new silver-halide (AgBr) emulsion films. The company's goal is to develop the halide films, which offer fine-grain emulsion, and...
Microspectroscopy:
Sep 1, 1997 — Imagine watching a single chemical bond be created or broken, examining a crystalis molecular arrangement or seeing the molecular distribution of lipids, proteins, and minerals in clogged arteries. Increasingly, this is the kind of work that...
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