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Sensors & Detectors News
NASA Detector Could Help Prevent Gas Explosions
Mar 1, 1997 — Researchers at NASA Langley Research Center have developed an optical flameout detection system for monitoring the combustor in the research center's propulsion test air tunnel. The fast-responding (less than 100 ms) detection process monitors light in spectral bands between 200 and 600 nm with two independent photomultiplier tube optical detectors. Light produced by the combustion process is optically coupled to the detectors through a pair of 20-ft-long, 0.0626-in.-diameter fiber optic...
On-Line Inspection System Produces 99% Satisfaction
Mar 1, 1997 — The thought of inspecting a million cans of food a day -- almost 700 cans per minute -- is daunting even with the advantages of today's high-speed automation. And when you add to the job a goal of 99 percent overall product quality and production...
Optical Fibers Make Sense of Chemicals
Mar 1, 1997 — Optical fibers have revolutionized a variety of fields: They carry images through endoscopes, voices through phone lines, data and video through cable networks, and, more recently, physical and chemical information through sensors. The fiber's...
Positioning Device Helps Man Understand Earth's Past
Mar 1, 1997 — A network of cliff dwellings cut by prehistoric Amerindians and then abandoned without so much as a how-do-you-do confounded archaeologists at the turn of the century. But one man had an idea: Maybe climatic change had something to do with the...
Go West, Young Job-Seekers
Feb 1, 1997 — SUNNYVALE, Calif. -- A $2 billion gravy train is winding its way from Washington, D.C., to this aptly named California town, and Lockheed Martin Missiles & Space says there's room for 3000 more wagons. When added to as many as 1500 new high-tech...
Integrated Optics: Molding Photonic Components into Solutions
Feb 1, 1997 — Instrumentation and consumer product designers are enamored of photonics technology. Products containing lasers, LEDs and detectors abound on the shelves of electronics stores, appliance centers and even the corner gas station. Photonics makes new...
Laser Detector Stymies Laser Weapons on High-Tech Battlefields
Feb 1, 1997 — Canadian-based The Alwend Group says its government's high angular resolution laser irradiance detector (HARLID) offers modern-day military the best defense against being targeted by laser-directed ordnance. The group is marketing the 1-Band HARLID...
Laser Sensor Monitors Distant Crosswinds
Feb 1, 1997 — ATLANTA -- A laser-based sensor can measure crosswind speeds for applications such as aviation safety and meteorology, Georgia Institute of Technology researchers report.The single-ended, long-path non-Doppler laser wind sensor registers faint wind...
Lidar Protects Against Biological Warfare Agents
Feb 1, 1997 — The recent controversy over the possibility that biological warfare agents may have caused the dire illnesses plaguing the men and women who fought in Operation Desert Storm has surely captured everyone's interest. Detecting and tracking these...
New Fiber Optic Source Speeds Component Testing
Feb 1, 1997 — Lightwave telecommunication systems are meeting today's spiraling demand for increased bandwidth by adding multiple wavelength channels to each fiber. Wavelength division multiplexed (WDM) systems deliver 10- to 40-Gb performance on a single fiber,...
Photonics Makes Refinery a Good Neighbor
Feb 1, 1997 — RODEO, Calif. -- As part of a "good neighbor" agreement, Unocal Corp. plans to incorporate seven infrared, ultraviolet and laser sensors into what it calls the world's most comprehensive refinery air-monitoring system. The agreement ends two years...
Thin-Film Detector Shows High Response, Sensitivity for Radiation Measurement
Feb 1, 1997 — Using off-the-shelf production facilities and standard production methods, researchers working for the Canadian Defense Research Establishment have built a new radiation detector for use in the medical, nuclear and space fields, or wherever...
Detector & Camera Applications
Jan 1, 1997 — World travelers know that "getting there" is not always glamorous. They have stories of missed flights, jet-lagged meetings and worse. But now they can feel a little safer because of a device about the size of a pager. A relatively new cause of...
Fiber Brings 'Live' Response from Ocean Floor
Jan 1, 1997 — TUCKERTON, N.J. -- In a scene that would make Jules Verne happy, scientists at Rutgers University and the Woods Hole Oceanographic Institute have established the first permanent fiber optic link that allows live, two-way communication with...
Hughes to Build Redesigned Infrared Missiles for Navy
Jan 1, 1997 — The US Navy has awarded a $169 million contract for its new Sidewinder AIM-9X missiles to Hughes Missile Systems of Tucson, Ariz. Sidewinder missiles use infrared technology to seek out enemy aircraft by locking on to the heat signatures of their...
IR Imaging Arrays Turn to Quantum Wells
Jan 1, 1997 — A new semiconductor-based infrared detector technology for mid- and long-wavelength instruments is ready for the marketplace. The quantum-well infrared photodetector (QWIP) is based on absorption by confined carriers in multiple quantum wells. QWIPs...
Long-Period Gratings: Next Generation of Fiber Sensors
Jan 1, 1997 — Fiber optic sensors, thanks to their size, flexibility and survivability advantages, continue to gain popularity as effective alternatives to conventional transducers. Two types have emerged as leaders in meeting the changing needs of industrial...
Raman Spectroscopy: Ready to Meet New Challenges
Jan 1, 1997 — Once the realm of a few theorists, Raman spectroscopy has surged in popularity during the last decade. Improvements in optics, lasers, detectors and data analysis techniques have turned this laboratory technique into an industrial tool used even in...
A Rose Is a Rose, Is a Rose ...
Dec 1, 1996 — Or a blue, a purple or a yellow. Art directors and designers of brochures, advertisements and other printed material usually are very specific about which color they want for their art. If it has to be Coca-Cola red, a variation just won't...
Dense WDM Market Seen Topping $12-Billion Mark by 2005
Dec 1, 1996 — SAN MATEO, Calif. -- From an "introductory" level of $101 million last year, the global market for dense wavelength division multiplexing (DWDM) components is expected to hit $4.17 billion by 2000 and then grow to $12.1 billion by 2005. According...
Europeans Issue Report on Diffractive Optics Technology
Dec 1, 1996 — JENA, Germany -- The development of a step-by-step fabrication process for diffractive optical elements was announced in the final report of a European research alliance concerned with discoveries and applications in the field. The partnership,...
Lockheed Wins $20 Million Photonic Sensor Pact
Dec 1, 1996 — The US Air Force has awarded a $20.2 million contract to Lockheed Martin Tactical Systems for the development of its podded electro-optical sensor system. Under the contract, the company will design, build and support the Theater Airborne...
Molecular OptoElectronics Wins NSF Grant, Licensing Agreement
Dec 1, 1996 — Los Alamos National Laboratory has granted an exclusive licensing agreement to Molecular OptoElectronics Corp. of Watervliet, N.Y., to develop, manufacture and market the laboratory's electro-optic crystal mosaics for the generation of terahertz...
Pentagon Awards Missile Defense Radar Contract to Lockheed Martin
Dec 1, 1996 — After a two-year bidding process, Lockheed Martin's Missile and Space Corp. in Sunnyvale, Calif., has won a $1.8 billion contract from the Pentagon to build a satellite system that warns against ballistic missile attack. Lockheed will construct five...
Sensor Company to Develop Image-Enhancement Processor for US Air Force
Dec 1, 1996 — Irvine Sensors Corp. of Costa Mesa, Calif., is developing an electronic image-enhancement processor for the US Air Force's Wright Laboratory Avionics Directorate. The processor will be part of an add-in board for the lab's 50-billion operations per...
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April 2024
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