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Photonics Spectra - February 1997
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Issue Library
Features
3-D Imaging Adds Depth to Science, Industry and Medicine
When most people over 30 think of three-dimensional video, they conjure up memories of wearing silly red/blue glasses to watch even sillier horror movies. Today, three-dimensional imaging is serious...
Fiber-Free Laser Communications Soar to 'Unheard of' Heights
When telecommunications companies first looked for solutions to the overcrowded world of wired, electronic communication, coherent light and fiber optics were there. Fiber optics brought...
Europe's Telcos Gird for Traffic Onslaught
European telecommunications companies, anticipating the demand for delivery of interactive multimedia services to business and residential customers, are busy planning for tomorrow. On the drawing...
High-Power Diode Lasers Earn a New Image
The growth and development of continuous-wave high-power diode lasers in the last few years has been phenomenal, enabling many advances in a wide range of applications. Diodes’ efficiency,...
Integrated Optics: Molding Photonic Components into Solutions
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...
Spatial Light Modulators Help Machines 'See' Faster
Once, our eyes were all the quality control we needed. But as products became more complex -- containing more, smaller parts -- so did the need for quicker, more efficient inspection techniques....
Tech Pulse
Astronomers Rise Above the Chaos
GREENBELT, Md. -- Astronomers at NASA's Goddard Space Flight Center are using chaos-control technology to make an infrared semiconductor laser system more effective for spectroscopy.The term chaos can be misleading, according to Gordon Chin, head of the project team. It's actually characterized by patterns of frequency variations that occur so quickly that they are difficult to detect. The team,...
Bioengineering Gets a Boost
ROCHESTER, N.Y. -- A $986,000 grant from the Whitaker Foundation will boost the biomedical engineering program at the University of Rochester.The grant will help fund a teaching laboratory and three...
Crystal Simulation Shows Promise in High-Efficiency Light Bending
CAMBRIDGE, Mass. -- A photonic crystal specially designed to bend light sharply with near-perfect transmission could be the key to further miniaturization of optical computer chips and lasers,...
Thin-Film Detector Shows High Response, Sensitivity for Radiation Measurement
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...
Quantum Dot Lasers Emerge from Semiconductor Rejects
OTTAWA -- With an eye toward more powerful and smaller diode lasers, researchers at the National Research Council of Canada in Ottawa recently turned something semiconductor manufacturers consider...
European Space Agency Tests Optical Data Transmission in Space
The European Space Agency (ESA) is using three telescope flight models from Carl Zeiss for its Satellite Interlink Experiment (SILEX) space research project. The mission to provide optical data links...
Excimer Laser Sheath Holds Promise for Pacemaker-Lead Removal
Spectranetics Corp. of Colorado Springs, Colo., has filed an application with the US Food and Drug Administration for premarket approval of its excimer Laser Sheath for removal of pacemaker and...
Fiber Optic Probe Identifies Hazardous Contaminants
WASHINGTON -- Hazardous waste site assessment and remediation are receiving increased attention these days, and a new development from the US Naval Research Laboratory (NRL) should enhance these...
Research Firm Targets More Efficient, Cheaper Satellite Solar Cells
Essential Research Inc. of Cleveland is working on a high-efficiency, radiation-resistant solar cell to provide satellite power. The company plans to grow durable, inexpensive, high-quality indium...
Gene-Scanning Chip Promises to Accelerate Biomedical Research
A small silicon chip developed at Stanford University School of Medicine uses photolithographic and genetic engineering techniques to study several thousand genes simultaneously. The thumbnail-size...
Laser Gyro To Monitor Rotation of the Earth
OBERKOCHEN, Germany -- Carl Zeiss has built what it calls the world's largest ring-laser gyro. Designed for measuring the Earth's rotation, the device will be installed in a subterranean cave on the...
Infant Technology Is More Than a Gleam in Its Developer's Eye
SEATTLE -- If a photonics technology firm here has its way, soldiers, surgeons and video game fans will analyze their respective real or virtual environments in a whole new light. With a technique...
Laser Detector Stymies Laser Weapons on High-Tech Battlefields
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...
Liquid-Crystal-Based Device Provides Brighter Projection Display
A pixel device that uses polymer-dispersed liquid crystals could be the key to improved large-scale projection display, according to scientists at Spectra Science Corp. who developed the technology....
Lumonics Delivers Nd:YAG Marking System for Use in Japanese Pilot Plant
Lumonics Corp. of Oxnard, Calif., has delivered its 300-mm laser marking system to a Japanese silicon supplier. Shin-Etsu Handotni Co. Ltd. is using the WaferMark DSC 300 on its pilot production line...
Polarimeter Eyed for Faster Optical Analysis
A new fast-imaging polarimeter under development at Cambridge Research & Instrumentation Inc. will enable users to measure the optical anisotropy of specimens in less than 1 s. The Cambridge,...
Laser Sensor Monitors Distant Crosswinds
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...
Standard Published for Optical Fiber Coating Removal
A new standard published by the Telecommunications Industry Association (TIA), titled "Measurements of Strip Force for Mechanically Removing Coatings from Optical Fibers," quantifies the force needed...
X-Ray Microcalorimeter Developed for Improved Materials Analysis
An x-ray microcalorimeter developed by the National Institute of Standards and Technology could improve materials analysis in the semiconductor industry. The device, compatible with commercially...
light speed
Alcatel to Install SONET Equipment for North American Network
Alcatel Telecom of Richardson, Texas, will install approximately $100 million in synchronous optical network (SONET) equipment for MFS Communications Co. Inc. of Omaha, Neb. Alcatel has begun...
Candela Receives Federal Approval for Skin-Resurfacing Laser
The US Food and Drug Administration has approved Candela Corp.'s Er:YAG Skinlight laser for marketing in the US. The Wayland, Mass.-based company said that the device provides high average power and...
Coherent Continues Strategic Buys in Semiconductor Laser Market
SANTA CLARA, Calif. -- Coherent Inc., acquiring the pieces it believes are necessary to unlock the puzzle that is the laser market's future, followed up its purchase of Finnish wafer maker Tutcore...
FDA Approves Sale of Galileo Endoscopes for Medical Applications
The US Food and Drug Administration has granted 510(k) approval to Galileo Corp. of Sturbridge, Mass., for the sale of its rigid endoscopes used in medical applications. Physicians use the devices,...
Fiber Optic, Cable Companies Connect
DAYVILLE, Conn. -- In a move aimed at taking advantage of the expanding fiber optic cable market, SpecTran Corp. of Sturbridge, Mass., and General Cable Corp. of Highland Heights, Ky., have formed a...
Gerber Systems, Agfa Join to Develop and Market IR Imaging Tools
A joint venture of Gerber Systems Corp. of South Windsor, Conn., and Agfa, a division of Bayer Corp. of Ridgefield Park, N.J., will focus on the development and marketing of infrared imaging...
Photonics Makes Refinery a Good Neighbor
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...
World Trade Pact Gives Photonics a Boost
SINGAPORE -- Designed to even the global playing field, the Information Technology Agreement signed in December by 28 member countries of the World Trade Organization removes tariffs on many...
Simplex Technologies to Make 5800 km of Cable for Undersea Networks
Newington, N.H.-based Simplex Technologies Inc. will manufacture a 4400-km undersea fiber optic cable system for AT&T's Pan American cable system, according to a $35 million contract between the...
Texas Instruments Agrees to Sell Defense Business to Raytheon
Officials at Raytheon Co. of Lexington, Mass., and Texas Instruments Inc. (TI) of Dallas have signed a definitive agreement worth almost $3 billion authorizing Raytheon to acquire TI's defense...
Go West, Young Job-Seekers
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...
Photonics Projects Win $13.5 Million in US Funding
ARLINGTON, Va. -- Eighteen photonics projects won $13.5 million in National Science Foundation awards.The winners were selected from among 76 proposals related to how light interacts with matter....
Accent on Applications
Faster than a Speeding Car
Americans love their cars. But the feeling of freedom associated with a full tank of gas has turned into a dread of mobile prisons for many urbanites as traffic jams turn daily commutes into daily crawls. In June and again in October 1996, Washington state transportation officials turned to a machine vision system to help plan a solution to traffic congestion on the Tacoma Narrows...
Hyperspectral Imager Sends Answers from Above
In the Colorado River valley, farmers have been trying to keep crops alive with water that was apportioned by the federal government back in 1923. Unfortunately, the river reached its highest point...
Lidar Protects Against Biological Warfare Agents
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...
Meeting the Challenge of Testing High-Performance Demultiplexers
The advent of dense wavelength division multiplexed (DWDM) telecommunications systems has brought with it new development and production challenges. Among these is the configuration of test equipment...
New Fiber Optic Source Speeds Component Testing
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...
Presstime Bulletin
Astronomers Confirm Binary Star System Using Hubble Spectrograph
Ultraviolet spectra obtained by the Hubble Space Telescope have confirmed that a pair of stars in the Milky Way galaxy are in fact one binary star. A research team at the University of Washington...
Raytheon Boosts Defense Capabilities with Hughes Division Purchase
Directors at General Motors Corp. have approved the sale of its Hughes Electronics aerospace and defense systems arm to Raytheon Co. Officials expect the $9.5 billion merger to close in the next six...
Electro-Optics Consortium Taps Wick for Executive Directorship
The National Network for Electro-Optics Manufacturing Technology has named Raymond Wick as its executive director. He had served as chief scientist for the Space and Missiles Technology Directorate...
Kodak Wires Hospital with Diagnostic Image Network
Eastman Kodak Co. of Rochester, N.Y., has signed a deal with New York Hospital to install an image and information management system for diagnostic images. The company will connect the hospital's...
Manufacturing Group Reports Increase in Industrial Laser Shipments
Shipments of industrial laser equipment and systems from North American markets rose 40 percent in the first three quarters of 1996, according to a report from the Association for Manufacturing...
TRW to Integrate Computerized Thermal Imaging Diagnostic Equipment
In a $27 million deal, TRW Inc. will provide system integration services for Computerized Thermal Imaging Inc.'s (CTI) diagnostic equipment systems. CTI's thermal imaging technology employs an...
Products
PHOTODETECTOR MODULES
Martin, Froeschner & Associates' Series 99 photodetector modules incorporate extremely fast photo-diodes and monolithic microwave amplifiers and have a spectral range from 850 to 1750 nm. These...
Martin, Froeschner & Associates
COPPER-TO-FIBER EXTENDER FOR DATA COMMUNICATIONS
Methode Electronics Inc. has developed the new MDB-9 Gigabit Optical Extender, a high-performance copper-to-optical converter for bidirectional communication over single- or multimode fiber. The...
Methode Electronics Inc.
Request info >
MINI ATTENUATOR
The Miniature Variable Attenuator from DiCon Fiberoptics Inc. can be used to set attenuation levels in the 0- to 60-dB range. Attenuation levels are screw set with the two-port component, which...
DiCon Fiberoptics Inc.
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FIBER OPTIC SOURCE
ILX Lightwave Corp. has developed the MPS-8033/55 broadband fiber optic source with output centered at 1550 nm and spread over a 40-nm spectral width. The highly stabilized device is suitable for the...
Newport - ILX Lightwave, Photonics
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COLOR VIDEO CAMERA
The Ultra Hi-Speed Color Video Camera from Photron Ltd. uses three sensors fitted with an image intensifier that has spectral sensitivity from the visible through the infrared. The 256 3 256-pixel...
Photron USA Inc.
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HIGH-SPEED CCD CAMERA
Cordin Co.'s new single-lens, eight-frame charge-coupled device camera can record low light levels in single-shot or repetitive modes. Ultrafast phenomena can be recorded in the spectral ranges from...
Cordin Scientific Imaging
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PCI-BASED IMAGING
For use with PCI-based Windows 95/NT systems, the IMAQ PCI-1408 from National Instruments is a high-accuracy monochrome image-acquisition board that works with several video standards. This device is...
National Instruments Corp.
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CIRCULAR MEASUREMENT
Precitech Inc. has added two large-capacity circular form measurement systems to its line of low-cost circular geometry gauges. Utilizing an overhead bridge design, the Model FMS 8270 can accommodate...
AMETEK Precitech Inc.
COMPACT COOLERS
Compact and quiet recirculators for 1 to 24 kW of cooling are now available from FTS Systems Inc. with deionized water compatibility. The devices can achieve up to ±0.1 °C stability and offer digital...
FTS Systems, Thermal Products
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FOUR-CHANNEL TERMINATORS
A pair of four-channel terminators is available from Pulse Research Lab for gigahertz digital and wireless applications. These modules directly connect emitter-coupled logic operating voltage signals...
Pulse Research Lab
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POWER AMPLIFIER
Trek Inc.'s Model 609D-6 is a high-voltage, DC-stable power amplifier designed to provide precise control of bipolar output voltages. It can be configured as a noninverting, inverting or differential...
TREK Inc.
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COLOR LASER MARKER
The twin-galvo Power Line color laser marking system is available from Rofin-Sinar Inc. for high-volume, high-speed marking applications. With the twin-galvo laser head design, the single power...
Rofin-Sinar Inc.
COMPACT DIODE LASER
The Impact-ZT 15/100 diode-pumped laser from Coherent Inc.'s Laser Group is a compact solid-state laser designed specifically for magnetic media zone texturing. This process, which improves...
Coherent Inc.
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PULSED FIBER LASER
IPG Laser GmbH has introduced the diode-pumped, solid-state Model YLPM-3000, a pulsed single-mode ytterbium fiber laser. The unit operates at 1060 nm with 1.5-ns pulses and a repetition rate tunable...
IPG Laser GmbH & Co. KG
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FREQUENCY-DOUBLED ION LASER
The Lexel 95 SHG (second harmonic generation) laser from Lexel Laser Inc. is an intracavity frequency-doubled ion laser system equipped with a nonlinear BBO crystal that produces second harmonic...
Lexel Laser
HIGH-POWER DIODES
DILAS Diodenlaser GmbH produces its HLD laser diode series in different versions to pump solid-state lasers in CW or pulsed mode, as well as for direct laser operation. Applications include surface...
DILAS Diodenlaser GmbH
LASER BEAM STEERING
Physik Instrumente has introduced the S-340 Piezoelectric Tip/Tilt Platform for fast laser beam steering and image stabilization. The platform accommodates mirrors and optics with diameters up to 3...
PI (Physik Instrumente) LP, Motion Control, Air Bearings, Piezo Mechanics
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F/O ILLUMINATOR
TechniQuip Corp. has added the Model FOI-250 to its line of fiber optic illuminators. This 250-W high-intensity instrument was designed to meet the needs of digital camera and machine vision...
Techni-Quip Corp.
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PREALIGNED LAMPS
Hellma Cells Inc.'s cathodeon-pulsed and continuous-deuterium lamps are aligned with built-in SMA fiber optic connectors. Each connector has an aperture diameter of 0.5 mm and a focusing lens. An...
Hellma USA Inc.
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GANTRY POSITIONING
Aerotech Inc. is offering its modular AGS10000 series gantry positioning systems for applications such as laser cutting and welding, dispensing, and point-to-point and contoured-path automation....
Aerotech Inc.
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X-Y STAGES FOR METROLOGY
NUTEC Components Inc. has introduced the Metrostage series of precision X-Y stages for applications in metrology. The cross-roller stages feature an 8 3 8-in. travel range and 0.25-µm-resolution...
Nutec Components Inc.
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COORDINATE MEASUREMENT
SMX Corp. is offering a new generation of laser-based coordinate measuring machines developed specifically for 3-D measurement of large-scale objects. The Tracker4000 can measure objects from one to...
FARO Technologies Inc.
1-GHz DIGITAL STORAGE OSCILLOSCOPE
LeCroy has added the 9384AL to its family of 1-GHz bandwidth digital storage oscilloscopes. Each of the four input channels on the new model samples at 1 gigasample per second into 2 Mb of...
Teledyne LeCroy
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PORTABLE REFLECTOMETER
Dyn-Optics has developed the Model 262 portable reflectometer to measure the reflectance of flat or curved surfaces such as car light reflectors and the finish on soft-drink cans. The device is...
Dyn-Optics
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REVERSE ENGINEERING
The REPLICA system from 3D Scanners Ltd. can capture the surface geometry of parts and models, display the data and allow data transfer in standard formats to a number of application software...
3D Scanners UK Ltd.
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X-RAY MEASUREMENT
The OPTEK Innervision x-ray inspection and measurement systems from Operations Technology Inc. are suitable for multilayer printed circuit board applications. They allow the user to view and measure...
Operations Technology Inc. (OPTEK)
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