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Photonics Spectra - July 1999
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Issue Library
Features
Framing the Future:
Electronics and semiconductor manufacturing are the two top markets for machine vision products, accounting for an estimated $620.4 million in North American machine vision revenues in 1998,...
PhotoICs:
The engineers who design and develop new office and computer equipment, consumer products and industrial machinery are facing increasing end-user pressures to reduce costs, increase reliability, add...
Optical Old-Timer Finds a New Niche
Calcium fluoride springs out of the IR to open a window for deep-UV semiconductor lithography. Calcium fluoride (CaF2) is something of a prima donna in the world of optical lens materials. Even where...
Lasers Squeeze into Tighter Board Assemblies
Though not the first choice for every application, the electronics industry will continue to rely more on lasers to drill, solder and trim its ever-shrinking products. The pressure is on in the...
Tech Pulse
Afterglow Gives Clues to Gamma Ray Bursts
Since their discovery in 1967, intense gamma ray bursts in the universe have mystified scientists. Now a group of scientists led by Alberto J. Castro-Tirado of the Instituto de Astrofisica de...
New Method Looks Inside Living Cells
STANFORD, Calif. -- Many chemical reactions occurring in living organisms are both fast (in the microsecond to millisecond range) and spatially confined. Viewing biochemical processes in volumes from...
Single-Crystal Thin Films Offer Promise for Free-Space Interconnects
High-speed, single-pass thin-film electro-optic modulators could enhance the performance of a number of photonic devices, including free-space interconnects. Such a device could replace liquid...
Technique Enables Flexible, Thin Displays
Researchers have developed a method similar to that used to prepare polymer-dispersed liquid crystal devices, but resulting in very different internal geometry and performance. The technique provides...
Stopped-Flow Device Improves Time-Resolved FTIR
To perform long-path absorbance measurements for liquid samples, a luminescence detector cell must act as an optical fiber or waveguide. Otherwise, excessive noise results. And if the cell is to...
Stopped-Flow Device Improves Time-Resolved FTIR
Chemists have relied on time-resolved Fourier transform infrared spectroscopy to investigate chemical reactions for years. Most of those reactions, however, were initiated externally by a laser or...
Tabletop Laser Sparks Nuclear Fusion
Researchers at Lawrence Livermore National Laboratory have demonstrated that big things can come from small packages. The scientists used a tabletop laser to ignite nuclear fusion in a gas jet of...
Cleaved Gallium Nitride Proposed for Blue Laser Diodes
Researchers from Technische Universitat Berlin have reported observing optically excited stimulated emission of cleaved c-GaN samples grown by molecular beam epitaxy. They report that the threshold...
’Laser Hatching’ Proves Successful
The first births resulting from pregnancies initiated by laser-assisted hatching could signal the emergence of photonics in in vitro fertilization. The births -- a boy in the US and twins in...
Largest Laser Shocks Diamond into Metal
LIVERMORE, Calif. -- Though physicists may be jumping for joy, those who consider diamonds their best friends won’t be. Scientists at Lawrence Livermore National Laboratory have turned diamond...
Lasers Burst Across a Frontier
At Lawrence Livermore National Laboratory, researchers have crossed a threshold. They've constructed a laser that creates conditions until now found only in massive particle accelerators or in the...
Laser System Spots Dirty Laundry
Spectra Science Corp. in Providence, R.I., has demonstrated a laser-based system that identifies, counts and classifies soiled flat linens. The demonstration took place at Tartan Textile Services in...
Technique Regulates Light in Liquid
Chemists at Utrecht University and Philips Research have developed a technique to regulate light flow through a liquid using an electric field. Based on the phenomenon of light absorption by...
Los Alamos Lab to Improve Images
LOS ALAMOS, N.M. -- Imaging the Earth’s surface through the atmo-sphere presents many challenges. But the launch Oct. 31 of a satellite carrying an advanced multispectral thermal imager could...
Novel LEDs Could Eliminate Bacteria
A new resonant cavity light-emitting diode (LED) could help to eradicate antibiotic-resistant bacteria, emitting the necessary light (670 to 680 nm) to activate special bug-killing chemicals....
Fiber Optic Unit Promises More Crash Data
SUDBURY, Mass. -- Airplane crash investigations have been hindered by limited flight data, prompting the National Transportation Safety Board and the Federal Aviation Administration (FAA) to push for...
Visible Light Reflects Nearly Perfectly
ESSEN, Germany -- Materials with photonic bandgaps hold great promise for a wide variety of applications, but three-dimensional versions are difficult to manufacture. A few research groups have...
Air Force Opens Imaging and Radar Test Facility
The US Air Force has improved its ability to measure stealth characteristics of enemy planes with the operation of an upgraded test facility able to conduct wide-bandwidth bistatic imaging and radar...
Rydberg Atoms Enable High-Speed IR Imaging
AMSTERDAM, Netherlands -- Researchers at the FOM Institute for Atomic and Molecular Physics have developed an infrared imager that performs faster and with greater wavelength selectivity than most...
Silica Sol Glues 3-D Silica Network
A group of scientists at the Naval Research Laboratory in Washington has demonstrated the use of silica sol as a nanoscale glue to prepare composite gels and aerogels. The discovery could lead to...
Vacuum-UV Laser Absorption Spectroscopy Measures Fluorine Atoms
To process large-scale integrated circuits, engineers must control the density of fluorine atoms to etch SiO2. Researchers at Kyoto University in Japan have proposed a means of assessing the fluorine...
Optical Fiber Senses Spills
The rapid, pinpoint accuracy of optical time domain reflectometry could find new use in detecting pipeline leaks and spills. Energy and chemical companies now visually examine pipelines from a...
light speed
Strategic Alliance Focuses On Blue Laser Diodes
The race to produce blue laser diodes has just accelerated. Durham, N.C.-based Cree Research Inc. has formed a strategic partnership with Microvision Inc. of Seattle, developer of virtual retinal...
Report: China Pilfered Photonics
WASHINGTON -- The Chinese government has been using scientists and business owners to acquire photonics military technology for more than a decade, according to the findings of a six-month...
Laser Materials Processing Committee Formed
The Laser Institute of America plans to give members of the laser materials processing community a stronger voice. It has announced that it is reorganizing the laser materials committee with the hope...
Inventor of Rotating Laser Dies
Robert Studebaker, a pioneer in the development of rotating lasers, died April 30 in Tucson, Ariz. During the mid-1960s, Studebaker combined a commercially available laser with a motorized spinning...
Fiber Installation Provokes Lawsuits
WASHINGTON -- Communications companies deploying optical fiber are finding that empire building is still based on secure land rights. Two recent court cases, one each involving private and public...
Photonics Firms Now Open 24 Hours Daily
CYBER.COM -- Amazon.com Inc. and eBay Inc. may grab the headlines, but photonics companies are also busy cashing in on e-commerce from their own Web sites. Internet-savvy firms are coming online with...
Partnership Eyes Deep-UV Photolithography
Cymer Inc. and Carl Zeiss Lithos have teamed up to facilitate the development of optical components and modules for lithography light sources. San Diego-based Cymer supplies illumination sources for...
SEC Takes Action Against Laser Company
The US Securities and Exchange Commission has filed a lawsuit against a manufacturer of 3-D holographic video image projectors in Van Nuys, Calif. According to a statement released May 17, the suit...
Optical Societies’ Membership to Vote on Merger
BALTIMORE -- After about two years of due diligence and cautious courtship, the boards of directors of the Optical Society of America (OSA) and SPIE have approved a unification plan and will put it...
And the Academy Award Winner Is -- Carl Zeiss
HOLLYWOOD, Calif. -- One award-winning Hollywood star has neither perfect skin nor drop-dead beauty. At the latest gathering of the glitterati, a camera lens was recognized for its performance and...
Accent on Applications
Spectroradiometer Displays Clothing in Its Best Light
Imagine that you are a buyer for a clothing retailer. You’ve investigated the fashion trends at industry shows to select a line of clothing for the coming season. But the time and money...
Dual-Beam Spectrometer Doesn’t Color Colorimetry
Matching the color of an automobile’s plastic trim to its painted metal finish is difficult enough when the work is done in the same factory. Consider that these parts often are manufactured...
Camera Adds Speed and Accuracy to Print Verification
Print verification systems balance accuracy against speed: If the scan rate is too high, accuracy can suffer; but competitiveness is lost if a system cannot speedily verify documents. The Vision-X...
Optical Elements Highlight the Skies
As astronomy expands the known universe, it pushes the boundaries of optical engineering. The European Southern Observatory recently unveiled a fiber-fed extended-range optical spectrograph, called...
Presstime Bulletin
E-Tek Dynamics to Acquire ElectroPhotonics
E-Tek Dynamics Inc. of San Jose, Calif., plans to acquire ElectroPhotonics Corp. in Toronto in a stock swap valued at $40 million. The latter company’s expertise in fiber Bragg grating solutions will help E-Tek Dynamics to develop systems for dispersion compensation. ElectroPhotonics develops components for optical networking, including dense wavelength division multiplexing components,...
World Laser Market Grew 20 Percent in 1997-98
Continued strength in telecommunications and materials processing drove the world market for laser sources from DM4.5 billion in 1997 to DM5.4 billion in 1998. The highest growth rates for laser...
Precision Technology, Fonon Group File Patent Infringement Suit
Precision Technology Center GmbH, headquartered in Austria, and Fonon International SA, based in Panama, have filed suit in US federal court in Florida alleging patent violations concerning laser...
Laser Mapping Shows Red Planet’s True Dimensions
The first 3-D map of Mars reveals that the planet has some of the highest, lowest and smoothest land forms in the solar system. The map was generated using a laser altimeter aboard NASA’s Mars...
Livermore Closes Laser-Based Uranium Enrichment Program
The Atomic Vapor Laser Isotope Separation program at Lawrence Livermore National Laboratory in Livermore, Calif., has been suspended, according to USEC Inc., an energy company based in Bethesda, Md.,...
Products
ION/PHOTON COUNTING
Fast ComTec GmbH has introduced the model P7886 multistop system for time-resolved counting of ions and photons. It features 500-ps time resolution over the entire time range, 2-GHz maximum counting...
Fast ComTec GmbH
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SPECTRAL SENSOR
The UV-VIS monolithic miniature spectrometer from Carl Zeiss is available from Hellma. This spectral sensor measures 65 x 50 x 40 mm and has a spectral range of 190 to 735 nm. A cross-section...
Carl Zeiss Microscopy LLC
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EMITTER/RECEIVER MODULES
Hamamatsu Corp. has a family of emitter/receiver modules that operate at data rates of 2.5 Gb/s in optical fiber communications, HDTV and SDH data link applications. Combined, the two modules enable...
Hamamatsu Corporation
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FIBER TERMINATION
Oz Optics Ltd. is offering services for terminating polarization-maintaining (PM) fibers with commercially available ST and FC connectors. Polarization extinction ratios of 25 dB are achieved using...
OZ Optics Limited
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AIRBORNE IMAGING
The three-mirror telescope from Space Optics Research Labs (SORL) was designed as the front-end afocal telescope for an airborne imaging spectrometer. The multispectral system operates from the...
SORL/Space Optics Research Labs LLC
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FRAME GRABBER
The DFG/LC2 machine vision frame grabber from Lead Technologies Inc. has four monochrome and/or composite and Y/C color video inputs supporting PAL, NTSC and SECAM video standards. The PCI bus...
LEAD Technologies Inc.
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MULTIPROCESSOR BOARDS
Multiprocessor boards for the imaging, vision and digital signal processing industries have been unveiled by Alacron Inc. FastImage is an autonomous imaging system that offers flexible input-output...
Alacron Inc.
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PCI FRAME GRABBERS
Matrox Imaging has released CompactPCI and PC/104-Plus versions of its Matrox Meteor-II PCI frame grabbers. They feature real-time color and monochrome video capture, multiple video inputs, PCI bus...
Matrox Imaging
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LINE-SCAN CAMERA
Dalsa Corp. has released the Spyder small-body line-scan camera that targets space-constrained industrial applications including pick-and-place, lead inspection and semiconductor wafer alignment. The...
Teledyne DALSA, Machine Vision OEM Components
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UV FILTERS
UV Process Supply Inc. has unveiled a range of materials with different UV filtering capabilities up to 400 nm. Clear and orange flexible UV filter sheets offer 99.8% protection against UV radiation...
UV Process Supply Inc.
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FREQUENCY GENERATOR
Continuum has developed the FX-IR difference frequency generator to enhance its Sunlite EX optical parametric oscillator (OPO). It bolts to the OPO and generates tunable mid-IR wavelengths ranging...
Amplitude Laser Inc.
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LINT-FREE GLOVES
Opto-Alignment Technology Inc. has unveiled its Opto-Glove for handling precision optical and electronic components. These lint-free gloves feature elastic wrists and a special texture on the backs...
Opto-Alignment Technology Inc.
Request info >
FEMTOSECOND LASER
The Vitesse XT laser from Coherent Inc., Laser Group, offers extended, automated tuning in the Ti:sapphire emission range, with up to 1 W of average power and 100-fs pulse widths. It has an...
Coherent Inc.
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HIGH-TEMP LASER DIODES
Coherent Inc., Semiconductor Group, has developed aluminum-free laser diodes that operate at more than 60 °C. These InGaAsP bars, which maintain high electrical-to-optical efficiency, have narrow...
Coherent Inc.
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MODULAR HEAT SINK
Opto Power Corp. is offering diode laser heat sinks with a single array bar as part of the water-cooled Monsoon series. On these heat sinks, diode laser bars produce 50 W continuous wave with output...
Opto GmbH
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BLUE-VIOLET LASER DIODE
A temperature-controlled blue-violet laser diode module for OEM applications is available from Power Technology Inc. The PPM emits 400-nm light from a 5-mW laser diode that operates at 20 °C,...
Power Technology Inc.
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ARC LAMP POWER MODULE
Analog Modules Inc. has introduced a continuous-wave arc lamp power module designed to deliver up to 45 A into xenon or krypton arc lamps for solid-state laser applications. Model 5901 measures 8.05...
Analog Modules Inc.
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LAMP HOUSINGS
Hanovia's deep-dish shuttered lamp housings for narrow-web UV systems provide maximum UV intensity while minimizing heat to press and substrate. The high-speed curing mercury or metal halide lamps...
Hanovia Specialty Lighting LLC
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O/E CONVERTERS
The ORS20 and SD-43 optical-to-electrical converters from Tektronix Inc. are embedded with Picometrix Inc.'s photodetector technology. The converters are suitable for the design and development of...
Tektronix Inc.
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PHOTORECEIVERS
Discovery Semiconductors Inc. has added three models to its DSC R40X line of photoreceivers. Each photoreceiver consists of an InGaAs/InP infrared photodiode and preamplifier and has a wavelength...
Discovery Semiconductors Inc.
OPTICAL RECEIVERS
The PR-X series of optical receivers from Femto Messtechnik GmbH are available from Laser Components Inc. These plug-and-play devices have a cylindrical housing that is compatible with common...
Femto Messtechnik GmbH
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MIRROR MOUNTS
The commercial versions of mirror mounts from New Focus Inc. have two mounting holes on each side for increased stability. The models have optic diameters of either 1/2 or 1 in., and the resolution...
Newport - New Focus
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OPTICAL PARAMETERS
Schneider Optics Inc.'s software, Schneider Gaussoptik, helps to determine the parameters for lenses in a variety of applications. It also calculates the focal lengths of lenses required to produce...
Schneider Optics Inc., Industrial Optics
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POSITION SENSING
On-Trak Photonics Inc. is offering the OT-301DL OEM position-sensing amplifier, a printed circuit board amplifier designed for direct integration into users' instrumentation. Optimized for...
On-Trak Photonics Inc.
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VIBRATION CONTROL
The series 2200 Mini-Benchmate vibration-free platform from Kinetic Systems Inc. is designed for use with small precision test and measurement equipment. It measures 16 x 19 x 4 in. and is available...
Kinetic Systems Inc.
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3-D ANALYSIS
Carl Zeiss Jena GmbH's 3DforLSM software evaluates laser scanning microscope image stacks. The software uses surface and alpha rendering to provide 3-D visualization and measurement of structures,...
Carl Zeiss Microscopy LLC
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BENCH MICROSCOPE
Prior Scientific Inc. has upgraded its fiber optic bench microscope for more complex connector configurations. An adapter port is incorporated into the stage assembly for the inspection of oversized...
Prior Scientific Inc.
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OPTICAL CORRELATOR
INO offers an optical correlator with a Windows-based interface. The device can be used for identification, target tracking, quality control and feature extraction. The correlator, which measures 9 x...
INO
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FIBER TESTER
McPherson Inc.'s optical fiber environmental test system allows the study of wavelength-dependent propagation effects in optical fibers. The test chamber permits fixturing to measure bend radius...
McPHERSON
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FLASH MEASUREMENT
Gamma Scientific has unveiled the FM-100 flash measurement photometer system. It can measure the illuminance of flashing light sources such as aircraft anticollision and highway safety strobes, and...
Gamma Scientific
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LED ANALYZER
Labsphere has upgraded its LED-1100 spectral/goniometric analyzer to make it easier to obtain accurate, repeatable measurement results. The device follows the international recommendations regarding...
Labsphere Inc.
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LIGHT MODULE
The MLM-2 monochromatic light module from Optometrics USA Inc. can test lenses, charge-coupled devices and other optical components. Its light source and Mini-Chrom monochromator are mounted on a...
Optometrics Corp.
Request info >
HIGH-SPEED POWER METER
Exfo E.O. Engineering Inc. has developed the IQ-1600 power meter for characterization of optical switches, multichannel optical power monitoring, R&D, and qualification and production testing of...
EXFO Inc.
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3-D MODELING
The TracePro LC from Lambda Research Corp. is a full 3-D solid modeling product based on the ACIS engine and intended for use by optical and illumination designers. It visualizes problem areas during...
Lambda Research Corp.
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SPECTRORADIOMETER
Optronic Laboratories Inc. has introduced a double monochromator-based solar spectroradiometer suitable for ground-based, time-extended remote solar and environmental measurements. The OL764, dubbed...
Optronic Laboratories LLC
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VIDEO METROLOGY
The DataStar 200 video metrology system and Galaxy metrology software package have been released by Newport Corp. for measuring and positioning parts and products during manufacture. DataStar was...
MKS/Newport
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