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Photonics Spectra - January 1999
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Issue Library
Features
Diode and Fiber Lasers Penetrate Materials Processing and Graphic Arts
During 1999 diode lasers and fiber lasers will continue their trend toward improved performance and lower cost, resulting in the further penetration of these sources into material processing and graphic arts applications.
Photonics Commercialization Efforts Stall at the Border
As photonics manufacturers transfer their once-military technologies into global industrial and medical markets, they face a bevy of sometimes confusing -- and potentially expensive -- export...
Calibration Technology:
The decreases in channel spacing for dense wavelength division multiplexing telecommunications systems is driving advances in calibration and measurement technology because current technologies often...
IEEE-1394 Hooks Cameras Straight to PCs
1999 will be the breakthrough year for IEEE-1394 as recently introduced products find applications across a wide variety of imaging environments. IEEE-1394 provides a universal solution for...
Optical Coatings with Amorphous Character Enable New Products
Can the optical coatings industry keep pace with the designer's continual need for better coatings? The answer, so far, is still yes. Many optical products that have entered the market in the past...
Diode-Pumped Solid-State Lasers Continue Expansion into Industrial Applications
Technological development has created distinct market segments for flashlamp-pumped, laser diode end-pumped and laser diode side-pumped solid-state lasers. We foresee continued growth in all these...
F2 Lasers:
Excimer lasers working at 308, 248 and 193Ynm are well-established tools for high-precision micromachining. However, some new applications are demanding even higher resolution or higher photon...
Optical Fiber Meets the Growing Telecommunications Demand
The public's voracious appetite for email and the Internet is fueling an explosion in the demand for information capacity over the backbone optical transmission network. Data traffic that 10 years...
Thin-Film Coating Applications Heat Up
Optical coatings are one means of controlling heat in lighting applications such as film projectors and microscope illumination systems. Unfortunately, suppliers of multilayer dielectric coatings...
Tunable Filters Move to the Mainstream
Our society feeds on ever increasing volumes of data and on the compact, cogent presentation of this information, usually in the form of still or video images. Tunable filters are increasingly viable...
Telecommunications Needs Drive Laser Improvements
This year, dense wavelength division multiplexed (DWDM) systems will expand from typical networks of 16 2.5-Gb/s channels to those with 80 or more 2.5-Gb/s channels, or up 40 10-Gb/s channels. This...
Innovations in Optical Scanning Probe Microscopy
The combination of optical and scanning probe microscopy offered by near-field scanning optical microscopes allows researchers to image the light response from small optically active surfaces such as...
Integrated Micro-optics and Digital Optics Answer Telecom Demands
The telecommunications revolution is dramatically impacting the entire photonics industry. The need for higher bandwidth is requiring entirely new categories of photonic devices ranging from...
Image Quality:
An overwhelming majority of image quality discussions center on resolution. The term "resolution" has been in use so long that it is thought to be something fundamental that uniquely determines...
Sapphire Optical Fibers:
Improvements in sapphire optical fiber has aided the expansion of the Er:YAG laser in medical applications, such as dentistry. The fiber's rugged characteristics, such as its high melting point, also...
Smart Cameras Keep Their Brains on One Chip
Just as human eyes capture images and the brain recognizes and processes the information, a camera and computer system together can provide artificial intelligence. The latest developments have...
Tunable Diode Lasers Stand Up to Research and Commercial Applications
Tunable external-cavity diode lasers have become more reliable since their introduction five years ago. Now, more demanding telecommunications, spectroscopy and metrology applications are driving...
Tech Pulse
Calibrated AFM Offers High Accuracy, Repeatability
Atomic force microscopes (AFM) have come a long way since they were developed in the mid-1980s, with advances bringing more repeatability and stability. Engineers at the National Institute of Standards and Technology (NIST) are taking the technology to the next level, devising an AFM that is calibrated with an interferometer. NIST's calibrated atomic force microscope (right) measured a...
Imaging Spectrometer Improves Auroral Understanding
Researchers at the University of Illinois are taking a fresh look at auroras. They have developed an imaging spectrometer that allows them to study auroral emissions as a function of altitude,...
Electrode Improves CCD Sensitivity
Eastman Kodak Co. has developed a technology that increases the sensitivity of its charge-coupled device (CCD) image sensors in the blue and green regions of the spectrum. By incorporating a...
Researchers Introduce Fluorescent Chemical Weapons Detector
Chemists at the University of Maryland in College Park have developed a method for detecting lethal chemical weapons in a system that uses molecules that fluoresce in the presence of a small amount...
China May Be Building a Laser to Target US Satellites
The Chinese government may be building a high-power laser with the ability to destroy US military satellites hovering over Asia, according to a recent article in The Los Angeles Times. The newspaper...
Compact Device Measures Electrical Current
Harsh environments and confined spaces are no match for an optical fiber-based current sensor that researchers at the Hoya Corp. R&D Center are developing. Electric companies use bulky devices...
Dye Improves Efficiency of Organic LEDs
A team of researchers from Princeton University in New Jersey has improved the efficiency of electroluminescent organic light-emitting diodes (LEDs) by introducing a fluorescent dye. Fluorescence...
Diode Laser Simultaneously Emits at Three Wavelengths
Federico Capasso and a team of researchers at Bell Labs have demonstrated a semiconductor laser that simultaneously emits at three wavelengths in the IR. Such a laser may find applications in...
Zeiss to Build Ring Laser Gyroscope
The Federal Cartography and Geodesy Office in Frankfurt, Germany, has commissioned Carl Zeiss Inc. in Oberkochen to design and manufacture a laser gyroscope that will measure the Earth's rotation....
Researchers Alter Rare-Earth Metals
Researchers from Vrije University have created an optical method of monitoring the hydrogen navigation that makes an yttrium film switch from reflective to transparent. The method should simplify...
University Unveils Sensitive Microscope for Chip Inspection
A technician at Heriot-Watt University in Edinburgh, UK, has built a microscope powerful enough to monitor the inner workings of semiconductor chips. Lynn Edwards, in collaboration with Gerald S....
Researchers Report Findings on Trapping and Cooling Molecules
Researchers have long been interested in the ability to trap and cool molecules to facilitate improvements in ultracold molecular physics and in molecular spectroscopy. Scientists use methods such as...
System Measures Efficiency of Solar Cells
Physicists at the Netherlands Energy Research Foundation have developed a technique to measure imperfections in solar cells. That information points the way to more efficient and cost-effective solar...
UV Lasers Stop People in Their Tracks
Mork from Ork could freeze people in midaction with a simple point of his alien finger -- diminishing them to dancing, talking, running statues. Now researchers at HSV Technologies Inc. have come up...
Optical System Speeds Automatic Target Recognition
Hoping to overcome the limitations previously associated with automated target recognition, Litton Data Systems has developed a miniature optical correlator that could boost the processing speed of...
Flat Photomultiplier Tube Peeks out of the Lab
Hamamatsu K.K. in Japan recently unveiled a showstopper commercial product for the new millennium: a flat panel photomultiplier tube. The revelation was one of several "Future R&D Plans"...
3-D Enhances Videoconferencing
By 2010, the boundaries among communications, computing and broadcasting will be hard to discern. To that end, Panorama -- a cooperative project sponsored by the European Union -- presented...
WDM Enables High-Capacity System
Alcatel Optronics has demonstrated the simultaneous transmission of more than 15 million voice circuits on a four-fiber- pair system that uses wavelength division multiplexing. It expects the advance...
Sensors Detect Biological Weapons
Scientists at the Naval Research Laboratory have developed a lightweight, fully automatic biological weapons detection system that one day may find its way to the battlefield. The system, which...
light speed
Photonics Prophets Optimistic About 1999
Slumping Asian economies notwithstanding, 1999 looks good, according to business leaders at photonics companies around the world. New applications markets, exciting technology breakthroughs and continuing industry consolidation should combine to leave photonics perched for a brilliant entrance to what futurists are calling the "Photonics Century." While each specific area of photonics -- optics,...
Clinton Signs Bill to Fund Technology Programs
President Clinton has signed an appropriations bill allocating $656.6 million to technology partnering and policy programs carried out by the Department of Commerce's Technology Administration,...
US Government Agencies Investigate Laser Company
The US Securities and Exchange Commission and US Attorney's Office are investigating Semiconductor Laser International Corp. to determine whether the company has violated securities laws. On Nov. 23,...
Partnership Gathers Support for Hybrid Lighting
Lighting is the single largest energy user in commercial buildings, consuming about one-third of the total electricity. The Hybrid Lighting Partnership -- at this point still an informal group of 10...
National Science Foundation Launches Microelectronics Program
The National Science Foundation has begun a $10 million program, XYZ on a Chip, to encourage researchers to explore nonelectronic applications for recent advances in microelectronics. With components...
European Privacy Law May Disrupt Business
Photonics companies seem unaware, but the recently implemented European Union Data Protection Directive applies to them and to the personal data they collect and transfer out of Europe. The directive...
National Research Council Reports on Manufacturing
The National Research Council's committee on visionary manufacturing challenges has released a report on trends expected to affect global manufacturing over the next 20 years. The committee's...
European Commission Supports Tech Transfer for Fiber Optic Sensors
The European Commission has launched Fiber Optic Sensors -- European Network, an organization to promote technology transfer for optical fiber sensors. The network has signed on more than 50...
Osram and Siemens Start Joint Venture
The Semiconductor Group of Siemens AG, with facilities in Berlin and Munich, Germany, and the company's subsidiary Osram GmbH in Munich have launched a joint venture for optoelectronic...
Accent on Applications
Aluminum Plating Improves Mirror Surfaces, Thermal Cycling
You wouldn't think space would be a problem in a spectrographic telescope the size of a small car. That is, until you try to pack 22 infrared mirrors inside into a precise optical path. But for...
Photometer/Theodolite Analyzes F-16 Head-up Display
The F-16 Flying Falcon, widely regarded as the world's most versatile military aircraft, owes some of its acclaim to the pilot's head-up display, which delivers real-time information about target...
Holographic Camera Reveals Stress
Stress is part of the job for John Deere products built by Deere & Co., which manufactures equipment for agricultural, industrial and forestry applications as well as for home and garden. Before...
Laser Hygrometer Dries up Processing Troubles
Water may be essential to human life, but its presence can be anathema to certain controlled chemical manufacturing processes. In an attempt to control moisture in these processes, a major US...
Presstime Bulletin
Coreco Purchases Dipix Technologies
Coreco Inc. in St. Laurent, Quebec, Canada, has inked an agreement to buy the imaging board business of Dipix Technologies Inc. in Ottawa. Philip Colet, director of sales and marketing at Coreco, said the purchase provides access to applications engineering skills for image processing and software. With the acquisition, Coreco will expand its presence in the high-end vision market. Additional...
FDA Clears Laser for Diabetes Monitoring
There's good news for diabetics who draw blood to monitor their glucose levels. The US Food and Drug Administration (FDA) has approved the Lasette, a battery-operated Er:YAG laser that can extract...
Flir to Acquire Inframetrics
Flir Systems Inc. in Portland, Ore., has signed an agreement to acquire Inframetrics Inc., a privately held infrared imaging company in Billerica, Mass. The deal will involve an exchange of stock....
Applied Image Group Merges with Donnelly Optics
The Applied Image Group Inc. in Rochester, N.Y., has acquired one of Donnelly Corp.'s subsidiaries, Donnelly Optics Corp., based in Tucson, Ariz. The two companies agreed to the merger Dec. 1, with...
Uniphase Acquires Telecom Equipment Maker
In its latest move to strengthen its position in the telecommunications market, Uniphase Corp. of San Jose, Calif., acquired Broadband Communications Products Inc. The Melbourne, Fla.-based company...
Products
BLUE LED
The IF-E92B 470-nm blue LED from Industrial Fiber Optics produces 75 µW from the end of a 10-cm-long plastic fiber when driven with 10 mA. The company says it reduces fiber termination and...
Industrial Fiber Optics Inc.
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HIGHLY FLEXIBLE SENSING FIBERS
Dura-Bend plastic sensing fibers from Banner Engineering Corp. were developed to carry light through very tight radius bends with no signal loss or fiber damage, enabling the integration of plastic...
Banner Engineering Corp.
FIBER OPTIC GYROS
KVH Industries Inc. introduces an alternative to traditional mechanical gyroscopes. E*Core fiber optic gyros have no moving parts and are stable in varying temperatures and time zones. In three...
KVH Industries Inc.
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PIN PHOTODIODES
Discovery Semiconductors Inc. has enhanced its line of DC to 8-, 12- or 18-GHz bandwidth InGaAs photodiodes for 1.3- to 1.6-µm fiber optic applications to handle up to 200 mW of electrical power...
Discovery Semiconductors Inc.
OPTICAL FIBER SOFTWARE
Fiber_Cad software from Optiwave Corp. is used by fiber, fiber component and fiber optic communications system designers. Users lay out a multilayer fiber using a fiber profile designer with a...
Optiwave Systems Inc.
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FIBER COUPLERS, WDMs
Alliance Fiber Optics Products Inc. (AFOP) has unveiled a line of rugged-ized fused fiber couplers and wavelength division multiplexers. They come with either 900-µm buffer or 3-mm jacketed fiber...
Alliance Fiber Optic Products Inc.
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DIGITAL CAMERA
Basler Vision Technologies has unveiled two high-resolution monochrome digital cameras for machine vision applications. Asynchronous pixel readout and full frame shutter allow fast-moving objects to...
Basler AG
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COLOR SCANNER ON A CHIP
National Semiconductor Corp.'s LM9830 is designed to provide the functions of a high-performance color scanner, including analog front end, sensor clock generation, microstepping motor control, data...
National Semiconductor
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DSP SUPPORT
Alacron Inc. now has support for Analog Device Inc.'s (ADI) ADSP-21100 Sharc family of digital signal processors. The new chip retains code compatibility with the original Sharc so that Alacron...
Alacron Inc.
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INDUSTRIAL IMAGING
Two video cameras that incorporate both 1/3-in. progressive-scan CCDs and the IEEE-1394-1995 interface are available from Sony Electronics. Both the DFW-V500 and DFW-VL500 are capable of 400-Mb/s...
Sony Electronics Inc., Visual Imaging Products Group
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MACHINE VISION
Display Inspect from Cognex Corp. is a machine vision soft- and hardware package for inspecting displays, keypads and enclosures on liquid crystal and light-emitting diode display-based products....
Cognex Corp.
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OPTICAL CHOPPER
Terahertz Technologies Inc. (TTI) has extended the frequency range of its C-980 variable-speed optical chopper to 5000 Hz, a 25% increase in chopping frequency using only one blade that covers 4 Hz...
Terahertz Technologies Inc.
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ALUMINA SUBSTRATES
New from Valley Design Corp. are fired 99.6% tape cast thin-film substrates measuring 300 mm in diameter and 0.060 in. thick. The company also manufactures these substrates in thicknesses from 0.010...
Valley Design Corp., Headquarters
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ALEXANDRITE LASER
The Hot Spot from Light Age Inc. is an all-solid-state alexandrite laser suitable for spot and seam welding, and drilling. The laser typically operates at 1 to 30 J with repetition rates from 1 to 30...
Light Age Inc.
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DIODE LASER
A fast-switched diode laser with pulse widths adjustable between 1 and 40 ns is available from PicoQuant GmbH. The FSL 400 produces rectangular light pulses at repetition rates from single shot to 20...
PicoQuant GmbH
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LASER DIODE MODULES
Roithner Lasertechnik introduces high-power visible laser diodes with a bright red 650-nm laser beam. They have optical powers up to 50 mW continuous wave, and the company says they are easy to...
Roithner Lasertechnik GmbH
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HIGH-POWER CO2 SLAB LASER
A diffusion-cooled CO2 slab laser with output power of 3.5 kW is available from Rofin-Sinar Laser GmbH. The company says this laser, also referred to as a waveguide laser, offers a significant...
Rofin-Sinar Laser GmbH
VISIBLE LASER SYSTEM
The Elk 6605, Elk Industries Inc.'s high-power visible diode laser system, has been designed for a wide variety of applications where a compact, robust, high-power visible laser is needed. A rugged...
Elk Industries, R-K Manufacturing
GENERAL-PURPOSE LENSES
New Focus Inc. offers lenses for general-purpose applications such as building telescopes, mode matching or beam collimation. They feature focal lengths from 30 to 1019 mm, 1-in. diameters, and...
Newport - New Focus
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UV/NIR OBJECTIVE LENS
The LQ25F28 quartz objective lens from Electrophysics is designed for applications requiring UV or NIR imaging. The lens uses a standard C-mount, has a 25-mm fixed focal length and has an f number of...
Lynred USA
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SAPPHIRE OPTICS
Laser-quality coated sapphire optics are now available from Laser Components Inc. Using optimized manufacturing and polishing processes, the company can supply coated sapphire components for...
Laser Components Germany GmbH
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SILICON OPTICS
Argyle International Inc. offers a line of silicon optics from 2 mm to more than 100 mm. The company's lenses, prisms and windows are manufactured in China and feature optical-quality silicon for IR...
Argyle International Inc.
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OPTICAL DESIGN SOFTWARE
Optical Research Associates introduces Code V Version 8.30, its upgraded, 32-bit optical design software for Windows NT and Sun Workstation platforms. Code V 8.30 contains performance enhancements in...
Synopsys Inc., Optical Solutions Group
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GAS ANALYSIS
The pulsIR from Hero Electronics Ltd. is a class of electrically pulsed high-intensity IR emitters for gas analysis, spectroscopy and calibration applications. They feature a low-thermal-mass...
APC Hero
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LIGHT MEASUREMENT
The Spectroline DSE-2000 from Spectronics Corp. measures both visible and black light. CE-approved and MIL- and ASTM-compliant, it is designed for nondestructive testing and quality control...
Spectronics Corp., Spectroline
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SPECTROMETER INTERFACE
Ocean Optics Inc. has released the ADC1000, a high-speed ISA-bus A/D card that creates a spectrometer interface with desktop PCs. Designed for use with the company's S2000 fiber optic spectrometers,...
Ocean Optics - Part of Ocean Insight
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