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Photonics Spectra - April 1998
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Issue Library
Features
Eco-Optics:
Since the 1980s, people have grown more aware of their surroundings, the impact of industry on the environment, and the environmentally redemptive qualities of advanced technology. Whether it's a UV lamp optimized to detect mercury and other pollutants in the air and soil, an IR glow bar that illuminates hundreds of airborne chemicals or a coherent source somewhere in between, optical remote...
Flexible Controller Maintains Fiber Optic Polarization
For nearly 200 years scientists and engineers have worked to exploit the inherent polarization of a light wave for mankind's benefit. From cutting edge research in laser cooling and atomic-transition...
Help Wanted!
Photonics companies complain about job applicants' poor preparation while research and educational institutions complain that industry is stealing their best prospects. What is happening to the...
Pen-type Laser Systems Mark It All
During the past 20 years, several varieties of laser marking systems have emerged. Of special note, however, is the sales volume of pen-type laser markers, which has exceeded that of anyone's...
Diode Lasers Pinpoint Pollutants
Diode-lasers have experienced limited success as environmental monitors because polluting chemicals weakly absorb light at commercially available diode-laser wavelengths. Also, although diode lasers...
Fiber Optic Sensors Sniff Out Chemicals
Fiber Optic Sensors Sniff Out Chemicals
Lidar Helps Unravel Environmental Mysteries
From coastal waterways to Alpine summits, light detection and ranging technology demonstrates how photonics helps to unravel the mysteries of complex environmental processes while sharpening our...
Tech Pulse
Blue Lasers Aim at Optical Data Storage, Display Markets
In the latest entry in the race to develop a high-power blue laser, SDL Inc. has introduced a semiconductor laser based on gallium nitride. The San Jose, Calif.-based company's entry emits at multiple wavelengths between 400 and 410 nm and features a pulsed power of more than 150 mW per facet. Donald Scifres, president and chief executive officer of SDL, said the material system has the potential...
Component Manufacturer Puts the Bend in Optical Fiber
As the photonics industry marches toward miniaturization, one component manufacturer plans to improve telecommunications technology with a way to create 180° optical fiber bends with low losses and...
Microscope Looks into Centrifuge
Researchers at the Marine Biological Laboratory have designed a microscope that allows scientists to see the alignment of molecules in a sample as it spins at high speed in a centrifuge. With this...
Scientists Synchronize Chaotic Lasers
In the early 1990s, two scientists at the Georgia Institute of Technology in Atlanta, Rajarshi Roy and K. Scott Thornburg, made breakthroughs in controlling the chaotic fluctuations in light...
Chinese Scientists Seek Release of Jailed Physicist
After a Taiwan-born physicist recently pleaded guilty to passing classified information on nuclear weapons to China, a group of Chinese scientists launched an appeal to the US for his release....
Optical Imaging of Cardiac Condition Aids Physicians
Medical researchers from the University of Alberta in Edmonton, Canada, may be a step closer to understanding the causes of a severe cardiac condition known as ventricular fibrillation through a...
Photonics Reaps What Farm Denizens Sow
Lasers in factories, fiber bundles in operating rooms, even cameras sitting on computer monitors are common sights. Now, based on work being done at the University of North Carolina, optical systems...
Airborne Laser Passes First Test
Aircraft manufacturer Boeing Co. of Seattle has concluded the first series of wind tunnel tests on components crucial to the Airborne Laser. The weapon system is designed to destroy theater ballistic...
Optics Give Hard Drives a New Lease on Life
The Winchester-style disk drive, nearing the limits for magnetic storage, has been given a new lease on life, thanks to optics. Computer hard-drive maker Seagate Technology and its Quinta Corp....
New Fiber Offers Higher Speeds
In an effort to meet the increasing demands of high-bandwidth communications networks, Corning Incorporated of Corning, N.Y., introduced its newest single-mode optical fiber at the Optical Fiber...
Custom X-Ray Lenses Aid Astrophysical Imaging
The National Research Council's Solid State Electronics Institute is producing custom optics for scientists who want to develop their own x-ray optical systems for astrophysical investigation or...
Diode-Pumped Kilowatt Laser Is Brighter, More Powerful
With the goal of advancing diode-pumped solid-state laser technology by making lasers brighter and more powerful, TRW Inc. of Redondo Beach, Calif., introduced its newest diode array-pumped kilowatt...
Apache Point's Telescope Nears Completion
The final pieces of the Apache Point Observatory's new telescope have arrived, marking the beginning of a multiyear project to produce a three-dimensional picture of the universe. The delivery...
Quantum Mechanical Transistor Promises Photonic Applications
Scientists at Sandia National Laboratories in Albuquerque, N.M., have developed a quantum mechanical transistor that may increase the accuracy of optical detectors and energy spectrometers. The...
Probes May Aid Retinal Surgery
Industrial research projects aimed at manufacturing tiny optical probes may have repercussions in the tricky world of ophthalmic surgery. Peter Bryanston-Cross, a professor and researcher with the...
Spectroscopy Reveals Benefits of Ocean Particles
Bioengineers at the University of Washington are using laser-scattering spectroscopy to determine whether carbon-based molecules in the ocean could play a role in the carbon cycle and, by extension,...
Optical Lithography Creates Subangstrom Features in Silicon
A group of researchers at the University of Texas has shown the world that conventional optical lithography can continue to produce ever smaller features on computer microchips without resorting to...
Micromirrors Perform Telecom Task
SScientists at Bell Labs, the R&D segment of Lucent Technologies in Murray Hill, N.J., have demonstrated a device that incorporates free-space optics and micromirrors to route and switch...
Spectroscopic Technique Images Cell Physiology
Chemists and physiologists from the University of Illinois at Urbana-Champaign have developed an imaging technique that relies on fluorescence spectroscopy to provide detailed information about a...
New CCD Could Improve Telescope Resolution
With few exceptions, charge-coupled devices have become the preferred method for imaging the universe. There has been one problem: Atmospheric changes such as high winds cause images to blur. To...
Quantum Cascade Laser Lights a Fire at Photonics West
Lighting a match with a laser doesn't seem like that big a deal, unless it's done at room temperature using far-IR light from a diode laser. It was in such a fashion that the inventor of quantum...
Medical Imaging Analysis Technology Used in Radar Applications
Researchers from the National Imagery and Mapping Agency in Chantilly, Va., and BioComputer Research Inc. in Trion, Ga., have investigated an application for algorithms developed for medical sonogram...
Water Aids Laser Materials Processing
According to an ancient Roman saying, single drops of water can penetrate rocks. Inspired by this wisdom, a group of Swiss researchers at the Polytechnic Institute of Lausanne has discovered that a...
light speed
Roper Industries Acquires Acton Research
Roper Industries Inc., of Bogart, Ga., has bought Acton, Mass.-based Acton Research Corp., a manufacturer of precision optical components, spectrometers and spectroscopy systems, for $11 million....
Market Watchers Anticipate Growth in IR Imaging
Increased demand for IR imaging focal plane array systems and sensors signal continued steady growth in the IR market, despite growing price and consolidation pressures on companies. That is the...
NASA to Use Electronic Notification for Future Announcements
NASA's Office of Space Science has abandoned "snail mail" in favor of its '90s alternative: e-mail. NASA has switched from using postcards sent by surface mail to an electronic notification system...
Veeco Eyes Process Metrology Expansion
Veeco Instruments Inc. has picked up the ball that was dropped last year when Zygo Corp.'s planned merger with Digital Instruments Inc. collapsed. To improve its position in process metrology, Veeco...
National Science Foundation Funds Imaging Facility
The National Science Foundation has provided a $150,000 grant to the University of Louisville in Kentucky for an atomic force microscope and a white-light scanning interferometric microscope. The two...
Semiconductor, Electronics Industries Spur North American Machine Vision Growth
The outlook for the North American machine vision market continues to look rosy, spurred on by the growing semiconductor, transportation and pharmaceutical industries. That's the finding of an...
Colorado Launches Photonics Association
A statewide organization called the Colorado Photonics Industry Association has been formed to provide a collective voice for issues facing the industry. The association will bring together...
Names in the News
Polaroid Corp. has appointed Hemang D. Dave as vice president of new ventures. Dave had been president and CEO of CMG Direct Interactive in Andover, Mass. Roy Grayzel is the new products development...
Optical Storage 'Road Map' Unveiled
As multimedia further penetrates business and homes in the next millennium -- from video mail to electronic commerce -- the demands on optical storage will continue to increase. This is the...
Fiber Optics Companies Sign Pact on Transceiver Width
Several fiber optics companies have taken a step toward industrywide standardization at the component level by signing an agreement to reduce the width of transceivers. The pact could lead to the...
Laser's Best Friend Turns 25
It may not have had the impact of indoor plumbing, but the Universal Product Code certainly has changed the way the world views the photonics industry. Thanks to the little black bars on everything...
EEV Withdraws from Medical Camera Tubes Market
EEV Ltd. of Chelmsford, UK, plans to halt production of its line of broadcast and medical camera tubes to focus on growing markets. Philips Components of Slatersville, R.I., has announced plans to...
Accent on Applications
Fiber Optic Blanket Rocks Internal Clocks
Scientists have been using light therapy for the treatment of sleep and circadian disorders such as insomnia and jet lag. In a recent study of light's effects on the human circadian clock, researchers at the Cornell University Medical College turned to a commercial light source -- a fiber optic blanket from Ohmeda Inc. used to treat newborns for jaundice. The scientists wanted to prove that...
Software Makes Light Work of Optical Design
It's not surprising that astronomers in California and Hawaii are watching the skies. They are searching for planets -- not the ones most of us are familiar with, but as-yet-undiscovered planets...
Laser-Based System Monitors Polishing Equipment
The integrated circuit manufacturing process imposes stiff requirements on makers of chemical mechanical planarization equipment. Planarization of the insulating oxide layers and formation of the...
Presstime Bulletin
Scientists See Glimpses of Sun's Corona
Researchers from the National Center for Atmospheric Research in Boulder, Colo., and other institutions aimed new detectors at the sun's corona during the Feb. 26 solar eclipse. Scientists hope to use the information gathered to improve predictions about coronal mass ejections that launch solar storms, interfering with communications and electric power grids on Earth. The corona, or outer...
Minnesota Moves to Limit Underwater Cameras
The Minnesota Senate's Environment and Natural Resources Committee has taken the first step toward making it illegal to use underwater video cameras while fishing. The bill, which likely will be...
Bell Labs Achieves Transmission of a Terabit of Information
Scientists from Bell Laboratories in Murray Hill, N.J., the R&D arm of Lucent Technologies, have reported a long-distance transmission of a terabit of information. Using an experimental...
Air Force Tests High-Energy Laser Through Optical Fiber
In tests conducted at Kirtland Air Force Base in New Mexico, scientists transmitted a high-energy laser beam through optical fiber. Scientists from the Research Laboratory's Directed Energy...
White House Makes Appointments; Gibbons Resigns
President Clinton recently announced his intention to nominate candidates for the posts of director of the Office of Science and Technology Policy and director of the National Science Foundation....
Products
SOFTWARE DEVELOPMENT
EXFO E.O. Engineering Inc. has introduced the IQ Software Development Kit, a set of programming tools designed to allow programmers to develop fiber optic test applications using the IQ-200 Optical Test System. Built around custom ActiveX controls, the kit includes a Step Wizard and Application Wizard, an instrument simulator and Command Test Utilities for troubleshooting. Programming for Visual...
EXFO Inc.
Request info >
IMAGING SOFTWARE
An image analysis software package for researchers who use microscopes and other imaging instruments is available from Klughammer gmbh. The KL-AN IPP for Windows 3.11, 95 and NT includes a number of...
Klughammer GmbH
IMAGE ACQUISITION
BitFlow Inc. is offering its Road Runner digital camera interface on workstations equipped with Digital Equipment Corp.'s Alpha microprocessor. This combination provides an open-system method of...
BitFlow Inc.
Request info >
MINIATURE CAMERAS
Suited for machine vision, medical and broadcast environments, the new line of microminiature cameras from Toshiba America Information Systems Inc. can be mounted almost anywhere. The IK-M41A...
CANON MEDICAL COMPONENTS U.S.A., Video Sensing Devices
Request info >
32-CHANNEL PMT
Hamamatsu Corp. designed the H7260 multianode PMT with high-speed response and low crosstalk. Suited for multichannel chemiluminescence and fluorescence applications, the device employs a...
Hamamatsu Corporation
Request info >
CEMENTS/ADHESIVES
A line of two-component, UV curing and structural cements and adhesives is available from Summers Optical. The full line of cements offer solutions to broadband transmission; high mechanical shock...
Summers Optical
Request info >
CHOPPER/SHUTTER
The CH-60 optical chopper/shutter from Electro-Optical Products Corp. is a variable low-frequency modulator that features modulation frequencies from DC to 50 Hz. Its aperture measures 0.25 3 0.45...
Electro-Optical Products Corp.
O/E CONVERTERS
The new line of optical-to-electrical converters from Tektronix Inc. can be used with the company's sampling oscilloscopes to add SONET/ SDH functionality to the CSA803C and 11801C communications...
Tektronix Inc.
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DLC ANALYZER
Renishaw plc has developed a quality control system that uses Raman spectroscopy to determine diamond-like-carbon film parameters such as film thickness, hydrogen content and chemical bonding of the...
Renishaw PLC, Spectroscopy Products Div.
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MICROSCOPE ATTACHMENT
Nanonics Imaging has introduced a near-field optical microscope attachment that can be placed on the stage of a conventional far-field optical microscope. The NSOM-100 combines low-resolution...
Nanonics Imaging Ltd.
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POCKELS CELL DRIVER
The Model 825 Solid-State Pockels Cell Driver from Analog Modules Inc. provides continuous high-voltage pulses for applications such as controlled Q-switching of solid-state lasers. The device is...
Analog Modules Inc.
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MINIATURE STAGES
Newport Corp. is offering the MS Series miniature stages with footprints as small as 1.0 3 0.5 3 0.2 in. The carriage design reduces wobble to 0.01 mrad, and high-precision, 80-thread-per-inch...
MKS/Newport
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TE COOLER CONTROLLER
The Series 800 thermoelectric cooler controller from Alpha Omega Instruments offers full digital programmability with temperature stability better than 0.005 °C. The controller has two LEDs for set...
Alpha Omega Instruments Corp.
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TEMPERATURE TRANSDUCERS
The Series 4000.4Z Full-Field Laser Targeting IR temperature transducers from Everest Interscience Inc. provides precision temperature readings from 240 to +2200 °F. They allow the user to see the...
Everest Interscience Inc.
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TIME MEASUREMENT
Berkeley Nucleonics Corp. has unveiled an eight-channel time-to-digital converter module. The B980 module is packaged as a single width, 6U VME module with less than 50-ps resolution and 70-ps...
Berkeley Nucleonics Corporation
Request info >
LASER SAFETY SERVICE
Lasermet Ltd. has introduced a service providing off-the-shelf standard laser warning labels to laser users and system manufacturers. The company has the 38 standard warning labels listed in the...
Lasermet Ltd.
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LIGHT CURE SYSTEM
Electro-Lite Corp. has introduced a high-intensity spot UV and visible light cure system that features microprocessor-based software. The ELC-800 provides >8 W/cm2 of sustained filtered UVA energy...
Electro-Lite Corp.
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GLOSSMETERS
UV Process Supply Inc.'s new line of Control-Cure single- and triple-angle glossmeters were designed for printing and coating applications. Readings are captured in 3 s and displayed in increments of...
UV Process Supply Inc.
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SPECTRORADIOMETER
Photo Research is offering the PR-705 and -715 spectroradiometers, portable instruments that allow users to measure the color and intensity of light sources, displays and reflective/transmissive...
Photo Research Inc.
Request info >
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