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Spectroscopy News
Cornell Selected to Lead Mars Mission
Sep 1, 2000 — NASA has chosen Cornell University of Ithaca, N.Y., to provide the instrumentation and to lead the science team for its next surface mission to Mars, which is scheduled for launch in June 2003. The mission will feature an updated rover similar to Sojourner from the 1997 Pathfinder project. Scientific goals include an investigation of the climatic history and geology of the Martian highlands. Courtesy of Cornell University and Dan Maas. The lander will employ the same air-bag-assist...
Keep Your Process in Control
Sep 1, 2000 — Improvements in industrial process monitoring, process optimization and closed-loop process control have awaited affordable, sturdy, robust analytical instruments. The newest sealed, rugged Raman spectrometers are easy to use and acquire data...
Laser-Based Detector Puts the Freeze on Water
Sep 1, 2000 — There is a spot in New Mexico where six natural gas pipelines converge, carrying the energy source from producers in New Mexico and Colorado to customers in California. At that junction, 2.8 billion cubic feet of gas pass each day, monitored closely...
Optical Bench Readied for NASA
Sep 1, 2000 — Composite Optics Inc. of San Diego has delivered the optical bench for NASA’s tropospheric emission spectrometer, scheduled for June 2003 launch aboard the Aura satellite. The company subjected the instrument structure to a series of shock and...
IR Imager Uses Missile Technology
WEST LAFAYETTE, Ind. -- WEST LAFAYETTE, Ind. -- A form of infrared imaging developed by the military for heat-seeking missiles is helping researchers rapidly identify catalysts that could improve chemical manufacturing processes and pollution-control systems. The imaging...
Lunar Glass Beads Offer Clues to Craters
BERKELEY, Calif. -- BERKELEY, Calif. -- Comets and asteroids have bombarded the moon and Earth over the last 3 billion years, leaving craters in their wake. But the frequency of these bombardments -- and whether periodic or episodic variations have occurred -- remains...
Raman Spectroscopy Opens the Earth’s Core
Aug 1, 2000 — Researchers from the Carnegie Institution of Washington and Ecole Normale Supérieure de Lyon in France have announced the results of experiments that will enable geophysicists to better understand the rotation and magnetism of the...
Portable Spectrometer Reduces Mill Downtime
Jul 1, 2000 — When a paper mill suspects contamination in the production line, the manufacturer faces costly downtime. Technical support specialists must be called in to test for the buildup of various deposits and to design a solution with the proper chemical...
IR Exposes Gas-Phase Metal Carbides
NIEUWEGEIN, Netherlands — Researchers have produced the first direct infrared spectra of the gas-phase metal carbide clusters Ti8C12 and Ti14C13. The vibrational spectra, which reflect the atomic forces that give a molecule its structure, support earlier conceptions of the...
Autonomous Robot Finds Meteorites
PITTSBURGH -- PITTSBURGH -- A four-wheeled robot named Nomad recently made history in Antarctica by autonomously searching for and classifying meteorites. The expedition was a collaboration between researchers at Carnegie Mellon University’s Robotics...
Raman Method Identifies Pathogens Quickly
ROTTERDAM, Netherlands -- ROTTERDAM, Netherlands -- Raman spectroscopy and a confocal microscope may enable medical laboratories to dramatically reduce the time it takes to identify microorganisms so that doctors can make the right diagnoses. Researchers at Erasmus...
Spectroscopy Finds Worm Tunnels in Apples
MILAN, Italy -- MILAN, Italy -- Worms that make their homes in apples may be facing a new enemy. Physicists have developed a spectroscopy-based instrument to characterize the inside of the fruit, identifying apples with worm tunnels, for example, for easy sorting...
Spectroscopy Reveals Fluorine’s Role in Rocket Propellant
CHAMPAIGN, Ill. -- CHAMPAIGN, Ill. -- A high-speed CCD camera and spectrometer played an important part in analyzing how fluorine gas enhances the combustion of boron in propellants -- an advance that could have an impact on the development of more energetic...
Teen’s Work on Laser Earns Semifinal Berth
Apr 1, 2000 — Aman Narang, a 17-year-old senior at The Harley School in Brighton, N.Y., thought that the computer model he was asked to develop at an eight-week summer program at the University of Rochester would be just busywork. Now it has earned him a...
Laser Used for Sensitive Trace Analysis
ARGONNE, Ill. -- ARGONNE, Ill. -- Researchers at Argonne National Laboratory have demonstrated an ultrasensitive trace analysis technique based on magneto-optical trapping that can measure the isotopic ratio of atmospheric krypton gas. Atom trap trace analysis,...
Microspectrometer Is a Diamond's Best Friend
Mar 1, 2000 — Along with weight, clarity and cut, a diamond's value is linked to its color. A D-grade stone -- the most valuable -- is almost perfectly white. Add a faint tinge of yellow, and a diamond's grade drops a notch to E, and its value plunges by 40...
Mode-Locked Laser Tackles Raman Spectroscopy
AUSTIN, Texas -- AUSTIN, Texas -- Researchers at the University of Texas have taken the first steps toward developing a rugged Raman spectrometer based on a high-power laser diode -- steps that may lead to a device that can detect environmental pollutants as well as...
Raman Microscope Hits the Spot
Mar 1, 2000 — Seeing spots? It may not be your vision. It may be the image quality of your ink-jet printer. Spot size and density determine how sharp printed images appear. To improve both the speed and quality of their product, printer manufacturers such as...
Researchers Seek Superconduction Secrets
BERKELEY, Calif. — Angle-resolved photoemission spectroscopy, a tool that helped define semiconductor physics, is still proving useful to scientists working to explain the physics behind high-temperature superconductors -- basic research that may improve electric...
Chemists Use IR Lasers to ProbeMolecular Interactions
Feb 15, 2000 — MADISON, Wis., Feb. 15 -- A group of chemists from the University of Wisconsin-Madison has developed a new method for probing the molecular universe using infrared spectroscopy. The researchers use two infrared lasers, which are choreographed to...
Extreme Photonics: Ultrafast Lasers
Feb 1, 2000 — The 1999 Nobel Prize in chemistry rewarded not only Ahmed Zewail’s pioneering work on ultrafast spectroscopy and femtochemistry, but also the entire field of ultrafast optics and femtosecond laser applications. In the last decade, pulse...
Space Technology Comes Down to Earth
Feb 1, 2000 — Researchers at the University of Leicester in the UK are developing an imaging system with applications in archaeology, forensics, geology, silicon chip production, and the food and automotive industries. The instrument, an imaging x-ray...
Ion Optics to Develop IR Emissions Sensor
Jan 18, 2000 — WALTHAM, Mass., Jan. 18 -- Ion Optics has been awarded a Phase 1 Small Business Innovation Research Award by the US Department of Transportation to develop protocols and instrumentation for the measurement of internal combustion engine exhaust...
Army Lab Uses Lasers to Detect Explosives
Jan 1, 2000 — A team of researchers from the US Army Research Laboratory at Aberdeen Proving Ground, Md., described the results of a study on the application of laser photofragmentation/fragmentation detection spectrometry to energetic materials in the Oct. 20...
Instrumentation & Accessories: Using Photons
Jan 1, 2000 — Instrumentation and accessories are seeing the same kinds of market trends as other photonics technologies. "Better, faster, cheaper" is a contagious battle cry. Laboratory equipment and OEM components are shrinking in both size and cost while...
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June 2024
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