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Sensors & Detectors News
Raman Spectroscopy Could Simplify Pollution Monitoring
Oct 1, 1997 — COLUMBIA, Mo. -- Power plants must continuously track the amount of carbon monoxide, sulfur dioxide and nitric oxide that emit from their smokestacks. There usually is a separate detection system for each pollutant, but research at the University of Missouri-Columbia suggests that one Raman spectroscopy system could do the entire job. Joseph Wehrmeyer, now a research associate professor at Vanderbilt University in Nashville, Tenn., worked with graduate student Praveen C. Kumar to develop...
Researchers fired up about infrared alarm
Oct 1, 1997 — WEST LAFAYETTE, Ind. -- The old adage "Where there's smoke, there's fire" could give way to "Where there's flickering infrared radiation, there's fire," if researchers at Purdue University have their way. They have developed a fire detection device...
Robomower cuts grass, misses dog
Oct 1, 1997 — GAINESVILLE, Fla. -- The hours of sweaty, dusty, laborious lawn mowing may soon be over, thanks to a robotic lawn mower under development at the University of Florida's Machine Intelligence Lab. Using a high-tech combination of radio, sonar and...
Sensor reveals steak freshness
Oct 1, 1997 — SWANSEA, UK -- Scientists have developed an inexpensive thin-film oxygen sensor with emission bands in the visible region that fluoresces under a simple UV light source. The sensor could have widespread applications in detecting oxygen contamination...
Sensors Made Light-Sensitive
Oct 1, 1997 — The Consumer Systems Group of the Motorola Semiconductor Products Sector in Chandler, Ariz., and Eastman Kodak in Rochester, N.Y., have developed a tiny filmless camera using Motorola's patented ImageMOS technology. ImageMOS is used to produce...
Germans Measure Quantum States of Squeezed Light
Sep 1, 1997 — KONSTANZ, Germany -- More than a decade ago, scientists discovered a new state of light that, if harnessed, promised to increase the sensitivity of interferometers and other photonic instruments. There was only one problem: "Squeezed light" existed...
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...
Optem International
Sep 1, 1997 — WASHINGTON -- Researchers at the Naval Research Laboratory's Center for Bio/Molecular Science and Engineering have developed a multichannel biosensor capable of providing early detection of anthrax and other lethal biological agents. Now in advanced...
Photonics plays a role in all areas of military development: Sensing, Detecting the Enemy: Photonics Expands Strategic Vision
Sep 1, 1997 — The greatest trick in any battle is seeing the enemy before they see you. Unlike radar and other active detection systems, optical detection is mainly a passive detection system, meaning that the act of detection does not emit a tell-tale sign to...
Sensor Warns of Biological Warfare
Sep 1, 1997 — WASHINGTON -- Researchers at the Naval Research Laboratory's Center for Bio/Molecular Science and Engineering have developed a multichannel biosensor capable of providing early detection of anthrax and other lethal biological agents. Now in advanced...
SPIE Annual Meeting Draws Largest Attendance Ever
Sep 1, 1997 — SPIE drew a record attendance of more than 6000 from 42 countries to its annual meeting and symposium in San Diego. Approximately 3600 technical attendees, 1200 exhibit representatives and 1200 exhibit-only attendees flocked to the San Diego...
Ultraviolet Device Captures Images of Aurora Borealis
Sep 1, 1997 — An international probe satellite has sent back images of the aurora borealis captured by a UV imaging device manufactured by Netherlands-based Delft Electronic Products BV. The 20-kg UV imager comprises two cameras, two Earth sensors, a gimbal...
Volcano Research Keeps Its Distance
Sep 1, 1997 — MEXICO CITY -- A Pan-American research team has been using photonics to watch a nearby volcano in hopes of learning how to forecast eruptions, assess health risks for people who live near volcanoes and determine volcanoes' effects on air pollution....
Defense Technology Aids Medicine
Aug 1, 1997 — WASHINGTON -- A combination of military and commercial technology has created a practical midwave IR spectral imaging microscope. The system developed by researchers from the National Institute of Standards and Technology and the National Institutes...
DUV Inspection May Be Vital to Next Generation of Microchips
Aug 1, 1997 — YAVNE, Israel -- Scientists familiar with the semiconductor industry say deep-UV inspection systems will be an important part of next-generation microchips as feature sizes slip below the 0.25-µm mark by the turn of the century. About every...
European photonics manufacturers predict key laser applications
Aug 1, 1997 — MUNICH, Germany -- Measurement, medicine and machining will be the most important future applications of laser technology, according to a proposal that photonics manufacturers presented to the European Commission's fifth Framework Programme...
Fiber Drawing Tower Ups Quality, Enables Diversity
Aug 1, 1997 — Fiberoptic Systems Inc. (FSI) of Simi Valley, Calif., a manufacturer of optical fiber and assemblies for the OEM market, experienced a significant increase in demand for its diverse products and services. The company needed to produce raw optical...
Medical Sensing:
Aug 1, 1997 — Noninvasive medical sensors have been an enigma to many in the research and development sectors in recent years. So close to becoming viable, yet not close enough, they have inhabited the no manis land between the chalk board and the potentially...
Photonics Brings Mars to the World's Living Rooms
Aug 1, 1997 — Every decade or so, in the void of space, photonics plays a pivotal role in an event that makes the universe seem a little smaller. A quarter of a century ago, images of man's first steps on the moon sparked America's interest. Today's interest is...
Sensors Are Key to Missile Interceptor
Aug 1, 1997 — The Pentagon has successfully tested an infrared sensor that will act as the "eyes" of a missile interceptor, which is part of a proposed nationwide defense system against enemy ballistic missiles. The infrared sensors are designed to identify and...
Telecommunications:
Aug 1, 1997 — Telecommunications is primarily a photonic endeavor in the 1990s. Optical fiber carries signals from lasers to detectors, which just happen to turn those photons into electrons for the ride to a switch that sends it to a television, a telephone or...
Desert Nomads Rely on Photonics to Find Fertile Ground
Jul 1, 1997 — United Nations organizations are increasingly employing satellites and high-resolution imaging to combat desertification, pests and pollution. In one striking example, modern remote-sensing technology has come to the aid of Saudi Arabia's desert...
Pigment Holds Promise for 3-D Machine Vision, Optical Computing
Jul 1, 1997 — JERUSALEM -- A saltwater-borne bacterium may provide the key to the development of parallel optical computers and real-time 3-D robotic vision. Bacteriorhodopsin, the pigment protein derived from the bacterium, possesses unique electro-optical...
Quantum Cascade Laser to Play Key Role in Gas Detection
Jul 1, 1997 — MURRAY HILL, N.J. -- A new laser-based sensor could mark a breakthrough in the detection of minute quantities of trace gases and pollutants.The exceedingly sensitive device is capable of detecting pollutants in parts per billion, according to one of...
Rome scientist Hendrickson dies
Jul 1, 1997 — ROME, N.Y. -- Brian M. Hendrickson, associate chief scientist for photonics at Rome Laboratory, died at 53 after a brief illness.Hendrickson had been with Rome Laboratory for 29 years, both in the photonics program and the Federal Scientific and...
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May 2024
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