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Sensors & Detectors News
Fiber Optic Switch Sheds Light on Cancer Research
Oct 1, 1997 — Researchers at the University of Pennsylvania are focusing on the application of near-IR light to probe the oxygenation states of tissues for diagnostic and functional imaging purposes. As part of a breast cancer study, the team is using a technique that involves the automatic repositioning of light to multiple locations. A fiber optic switch from DiCon Fiberoptics Inc. is playing an important role in this effort. Leading the group are Britton Chance, head of near-IR light application research...
Fish Dine by Carefully Monitored Light
Oct 1, 1997 — Do the gilled inhabitants of Georges Bank, an important feeding and spawning ground just east of Cape Cod, Mass., prefer to take their meals at high noon, or are their appetites whetted by the ambiance of a sunset or the moonlight? Researchers...
FORTE Satellite to Record Lightning Strikes
Oct 1, 1997 — The FORTE satellite is orbiting Earth after a successful launch on Aug. 29. The satellite, which is a joint project of Los Alamos National Laboratory and Sandia National Laboratories in New Mexico, will test ways of detecting illegal nuclear weapons...
IR Cameras Keep Texas Police ALERT
Oct 1, 1997 — Criminals in the Dallas area who rely on the cover of night are no match for local law enforcement's latest weapon. The US Department of Transportation and the Texas Transportation Institute recently employed Raytheon TI Systems' NightSight infrared...
Laser maker aims at paparazzi
Oct 1, 1997 — MARCOUSSIS, France -- While the world's wrath turned on the paparazzi in the wake of the death of Diana, Princess of Wales, one French laser maker has done something about it. Photographers skulking around hotels or lying in wait to ambush...
NIST Develops Stable Optical Retarder
Oct 1, 1997 — Scientists at the National Institute of Standards and Technology's (NIST) Optoelectronics Div. have developed a stable linear optical retarder for use as a calibration reference. Optical retarders, known as wave plates, are critical for polarization...
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...
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...
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June 2024
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