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Photonics Spectra - October 2000
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Issue Library
Features
Printed Circuit Boards:
Problem: Printed circuit board manufacturers use noisy and complex drilling/routing machines to cut the boards out of the panels. A laser router would do the job more precisely and efficiently. We...
Putting Imaging Under the Microscope
At the Cornell University Integrated Microscopy Center in Ithaca, N.Y., the imaging system is based on an Axioplan 2 microscope from Carl Zeiss and a SensiCam camera from the Cooke Corp. of Auburn...
Looking for Luminescence
Luminescence techniques are extensively used in clinical medical testing, and their application in the food and pharmaceutical industries is growing. Well-known examples include HIV testing and...
Organic Displays Sputter to Life
The need for information has always driven scientific discovery in communication technologies. The introduction of the printing press enabled mass publishing and brought knowledge and entertainment...
Polish Your Image with Imaging
Problem: Does anyone know of a method to measure "shiny"? Recommended equipment measures reflectivity, but this is not an accurate determination of shininess. The human eye can distinguish a shiny...
Rubbing Out Roughness
Problem: Does anyone have information about testing methods for optical mirror surfaces with microroughness of 1 nm rms or less? Yuri Petrunin, President Telescope Engineering Co. Lakewood, Colo....
Tech Pulse
Alcohol Helps Astronomers Date Stars
LEIDEN, Netherlands -- Many of us have probably harbored fantasies of dating a star, perhaps at some Hollywood nightspot. Researchers at Leiden Observatory have made their dreams a reality. In an article currently in press at Astronomy and Astrophysics, Floris van der Tak and his colleague Ewine van Dishoeck, along with Paola Caselli from the Arcetri Observatory in Italy, describe how they dated...
Caged Atoms Offer Big Possibilities
OAK RIDGE, Tenn. -- A technique that traps single atoms for study at room temperature may find applications in dense optical storage media, single-atom lasers and novel detectors. By doping...
Wafer Detects Harmful Bacteria
WEST LAFAYETTE, Ind. -- A multidisciplinary team at Purdue University is developing a method for detecting harmful bacteria using a silicon wafer coated with proteins. The researchers hope that the...
Moonstruck: Caught on Video
GRANADA, Spain -- It’s difficult to catch a falling star, and even harder to photograph one, especially if the "star" you’re trying to capture is a meteoroid in the act of crashing into...
US Air Force Develops All-Gas Chemical Laser
The Air Force Research Laboratory Directed Energy Directorate at Kirtland Air Force Base in New Mexico has developed an all-gas chemical laser that may eventually be used in the Airborne Laser and...
Corning Ships Mirror Blank to Chilean Observatory
Corning Inc. of Corning, N.Y., has announced that it has shipped the 4.3-m primary mirror blank to the Southern Observatory for Astronomical Research at Cerro Pachón in Chile. Constructed of...
Cluster Carries Los Alamos Spectrometers
The second pair of satellites in the European Space Agency’s Cluster II mission were successfully launched Aug. 9, bringing with them imaging electron spectrometers developed at Los Alamos...
Instrument Characterizes Colloids
ALBUQUERQUE, N.M. -- Researchers at Los Alamos National Laboratory have developed a system that characterizes the properties and behavior of colloids. Originally developed to analyze particulate...
Corning Updates Bandwidth Specification
Corning Inc. of Corning, N.Y., has announced that it will use the restricted mode launch bandwidth measurement specification on its InfiniCor 300 and InfiniCor CL 1000 multimode fiber for 850-nm...
Chromophore Suited to Data Storage
Researchers from the University of Cincinnati and the Air Force Research Laboratory at Wright-Patterson Air Force Base in Ohio have announced the results of their study of a fluorine-based...
Lasers Could Improve Drilling Safety
READING, UK -- If you shake a bottle of cola and open it, you get a sug-ary mess. If you open a pocket of high-pressure gas in the borehole of an oil well, you get a catastrophic blowout. A...
Electron Pairs ’Dance’ in Laser Field
FREIBURG, Germany -- Researchers have again advanced our understanding of laser ionization with the observation of correlated momenta in electron pairs that are liberated from their atoms. The...
Polymers Control Energy Transfer
LOS ANGELES -- Chemists at the University of California have demonstrated a means to control energy transfer in polymer semiconductors embedded in channels of nanoporous silica. Researchers are...
Faster Than Light? Well …
PRINCETON, N.J. -- The dreams of warp drive and faster-than-light communications will have to remain just that. According to the scientists who have demonstrated superluminal group velocity, the...
Fibers Talk, Lock, Make High-Brightness Laser
WATERFORD, Conn. -- For at least 30 years, researchers have attempted to combine the light from several separate, low-power semiconductor laser beams to produce a single high-quality, high-brightness...
DoE Labs Demonstrate Free-Electron Laser
Scientists from the US Department of Energy’s (DoE) Brookhaven National Laboratory in Upton, N.Y., and Argonne National Laboratory in Argonne, Ill., have demonstrated a high-gain...
LaserChip Validation Completed
Spectra Science Corp. of Providence, R.I., and Glaxo Wellcome Inc. of Research Triangle Park, N.C., have completed a preliminary evaluation of Spectra Science’s LaserChip combinatorial...
Pixel Pyramids May Improve LEDs
A team from the University of California in Los Angeles believes that a structure of pyramid-shaped pixels may boost the lateral resolution of organic LED displays by a factor of three or four. Yang...
Mid-IR Detector Operates at Room Temperature
A PIN photodiode under development in France at Thomson-CSF of Orsay and École Polytechnique of Palaiseau may challenge the place of thermal imagers such as microbolometers and pyroelectric...
Sputtering Promises Lower Temperatures, High Speed
If you are truly excited by optical production equipment, the biannual Optatec trade shows are the place for you. Nestled among this year’s surface generators, planetary polishers and OEM...
1.3-µm VCSEL Produced for Telecommunications
Nova Crystals Inc., located in San Jose, Calif., has developed a 1-mW, 1.3-µm vertical-cavity surface-emitting laser (VCSEL) for use in optical data and telecommunications networks. The InP...
Waveguide Reveals Singularities
ENSCHEDE, Netherlands -- The optical equivalent of scanning tunneling electron microscopy promises to aid the design and analysis of photonic devices in telecommunications and integrated optics....
Researchers Investigate Laser Welding of Aluminum
COLUMBUS, Ohio -- Researchers are perfecting the laser welding of aluminum alloys to overcome a roadblock in the development of more fuel-efficient cars and trucks. Over the last decade, automotive...
light speed
We’ll Get Right Back to You on That
BRIDGEWATER, N.J. -- We sent an e-mail to Hamamatsu Corp. one morning to inquire about the use of a photomultiplier tube in adverse conditions. By midday, Mario Kasahara of Hamamatsu’s...
GAO Blasts Laser Budget
WASHINGTON -- The US General Accounting Office (GAO) says estimates that the National Ignition Facility will be completed in 2008 at a cost of $3.3 billion are too low and that the world’s...
Photonic Mergers Cross Borders
PARIS -- Industry forces and relaxation of government rules on foreign investment helped account for a 50 percent rise in cross-border merger and acquisition activity last year, reported the...
II-VI Completes Exchange Offer for Laser Power
II-VI Inc. of Saxonburg, Pa., increased its ownership in San Diego-based Laser Power Corp. from 13 percent to 88 percent in a stock exchange offer. II-VI agreed to exchange $3.08 in cash and 0.052...
Flir Systems Lays Off 90 Workers
Flir Systems Inc. said that ongoing corporate restructuring has negatively affected both shareholders and employees. The Portland, Ore., maker of infrared imaging devices has laid off 90 workers this...
German Optics Group to Go Public
Linos AG of Göttingen, Germany, said it completed an initial public stock offering in September. Linos offered 1.4 million shares at €27 per share, with HSBC Trinkaus & Burkhardt KGaA and...
GSI Lumonics to Sell Life Sciences Unit
GSI Lumonics Inc. of Kanata, Ontario, Canada, has announced that it will sell its biochip and microarray divisions to Packard BioScience Co. of Meriden, Conn., for cash and stock valued at $120...
Consortium Designs Color Laser Marking System
Laser-maker Lambda Physik Inc. of Fort Lauderdale, Fla., has joined a consortium of European companies to develop a 1-kHz diode-pumped solid-state laser system capable of emitting three wavelengths....
Optical Sensor Watches the Road
Optical sensor manufacturer Iteris Inc. of Anaheim, Calif., was selected by Ford Motor Co. to provide the Detroit automaker with optical lane departure warning systems for its Ford, Lincoln and...
Automation Integrator Adds to Newport’s Portfolio
Irvine, Calif.-based Newport Corp. has acquired Unique Equipment Co., adding the systems integrator to its fiber optics and photonics division. Unique Equipment, of Chandler, Ariz., designs custom...
Antitrust Regulators Review Merger Proposal
The US Justice Department has requested documents from JDS Uniphase Corp. and SDL Inc., both with headquarters in San Jose, Calif., in regard to its antitrust review of the announced merger of the...
Scientists Sought for Research Awards
The National Research Council announced that the 2001 Postdoctoral and Senior Research Associateship Programs will award about 300 full-time associateships. Areas of study include chemistry; earth...
Schwartz Electro-Optics Announces New Management Team
Schwartz Electro-Optics Inc. of Orlando, Fla., said that board member Darrell Kelley, president of the Economic Development Commission of Mid-Florida, has replaced the late Bill Schwartz as chairman....
... As Visions of Silicon Danced in Their Heads
SAN JOSE, Calif. -- Photonic product suppliers who profit from the financial health of the semiconductor industry see little evidence that chip fabricators are ailing, if orders are an indicator. The...
Accent on Applications
Fiber Optic Sensor Greases the Wheels for Oil Production
The two oil wells located at BP Amoco’s Wytch Farm site in Dorset, UK, draw a total of 14,500 barrels of oil a day from beneath Poole Harbour and the English Channel. One well, the M-12,...
Watertight Spectrometer Relies on Cool Light
Not long ago, BASF AG used a benchtop spectrometer and a cuvette to ensure that certain chemicals being shipped from its plant in Ludwigshafen, Germany, were free of impurities. The task detained the...
Presstime Bulletin
Hänsch Wins Schawlow Award
The Laser Institute of America of Orlando, Fla., has named Theodor W. Hänsch the winner of the 2000 Arthur L. Schawlow Award for his work in high-resolution laser spectroscopy. Hänsch is the director of the Max Planck Institute for Quantum Optics and a professor of physics at the University of Munich, both in Garching, Germany. The awards luncheon, with Hänsch as honored speaker,...
BFGoodrich Acquires Corning Business
BFGoodrich Co. of Charlotte, N.C., continues to expand its presence in the aerospace market with the acquisition of Marlborough, Mass.-based Corning OCA Corp.’s Electro-Optical Sensor business....
Clinton Delays National Missile Defense
President Clinton announced in a Sept. 1 speech at Georgetown University in Washington that questions regarding the technical merits of the national missile defense system preclude its deployment...
Spectra-Physics Buys Solid-State-Laser Manufacturer
Spectra-Physics announced that it has purchased Laser Analytical Systems GmbH of Stahnsdorf, Germany, in a cash transaction. Laser Analytical Systems will become a wholly owned subsidiary of the...
Burleigh Develops Telecom Component Analyzer
Burleigh Instruments Inc. of Fishers, N.Y., has demonstrated a test and measurement system for dense wavelength division multiplexing components that is based on its fast Fourier transform Wavemeter...
Products
PYROELECTRIC PROBE
Terahertz Technologies Inc. has announced a stand-alone version of its P-444-EPP pyroelectric probe that, used with an oscilloscope, can determine pulsed energy from a laser. The probe's pyroelectric detector consists of a thin slice of ferroelectric material with temperature-dependent electrical polarization to absorb radiant energy and generate a current proportional to the rate of change of...
Terahertz Technologies Inc.
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LC COMPONENTS
A series of fiber optic LC connectors and adapters for small-form-factor applications is offered by Alliance Fiber Optic Products Inc. The 731 series uses precision ceramic ferrules to provide low...
Alliance Fiber Optic Products Inc.
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D/A CONVERTER
Dolan-Jenner Industries Inc. has introduced a digital-to-analog converter for its Fiber-Lite PL-900 DC-regulated illuminator. The converter provides full intensity adjustment using a computer with a...
Dolan-Jenner Industries Inc.
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FIBER OPTIC LEDs
Two fiber optic LEDs have been added to Industrial Fiber Optics' line of components for plastic optical fibers. The IF-E91A-R and IF-E96-R use the industry-standard 1000-µm- core 2.2-mm-jacket...
Industrial Fiber Optics Inc.
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FIBER OPTIC SWITCH
A 4 x 4 fiber optic matrix switch from piezosystem jena enables switching times of 2 ms. The piezoelectric-driven switches demonstrate high optical isolation and a typical insertion loss of 1.5 and 1...
piezosystem jena GmbH
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LINE-SCAN CAMERA
A line-scan camera has been released by Dalsa Corp. that allows the use of less-expensive lighting and smaller-aperture optics for an increased depth of field. The Eclipse has built-in processing for...
Teledyne DALSA, Machine Vision OEM Components
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PROGRESSIVE-SCAN CAMERA
Vision Components has added the VC38 to its series of industrial smart cameras. Measuring 100 x 50 x 36 mm and weighing 250 g, it features a Sony 1/3-in. progressive-scan sensor that provides pixel...
Vision Components GmbH
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THERMAL/VISUAL IMAGING SYSTEM
An automated IR inspection camera from Flir Systems Inc. incorporates thermal and visual imaging capabilities. The ThermaCam PM 695 records and stores temperature analysis data, voice and text...
FLIR Systems
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VISION SYSTEM
Cognex Corp. has introduced a machine vision system for guiding the placement of surface-mount devices onto printed circuit boards and other assemblies. The SMD4 features a full set of MMX-optimized...
Cognex Corp.
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CHIP SET SOLUTION
Infineon Technologies AG has introduced a low-power OC-192/STM-64 SONET/SDH chip set solution for high-speed optical communication systems. The silicon germanium chip set includes a laser diode...
INFICON
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EPOXY SYSTEM
Aremco-Bond 2310 from Aremco Products Inc. is a high-strength, ceramic-filled flexible epoxy system for applications requiring high-lap-shear and -peel strengths. It features a lap-shear strength to...
Aremco Products Inc.
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OPTICAL GLASS
A new optical glass, K-PSFn3, is available from Sumita Optical Glass Inc. in preforms such as gobs, balls and discs for precision molding and the production of aspheric lenses. The glass contains no...
Sumita Optical Glass Inc.
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LAVAL CUTTING NOZZLES
Dual-beam Laval nozzles for use in laser machining, such as cutting with high-power CO2 lasers, are available from Kugler GmbH in gas-pressure versions from 2.5 up to 25 bar. They feature a typical...
Kugler of America Ltd.
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LIGHT PIPES
OptiLED light pipes from LEDtronics Inc. can be positioned on top of a SurfLED surface-mount-technology LED to channel its light to a specific location. The pipes are made of UL90V-0-compliant...
LEDtronics Inc.
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UNIVERSAL POWER SUPPLY
The Con-Trol-Cure electronic power supply from UV Process Supply Inc. can drive a UV curing lamp of nearly any spectral output, eliminating the need for a dedicated ballast-type power supply for each...
UV Process Supply Inc.
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FIBER/LASER COUPLER
A fiber-to-laser coupler from Linos Photonics GmbH features an integrated shutter for laser safety. The shutter, which operates on a 12-V power supply, has a response time of <20 ms and includes a...
Qioptiq Photonics GmbH & Co. KG
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LASER DIODE SYSTEM
Coherent Photonics Group, Semiconductor Div., developed a modular laser diode system, the F-Package, for applications in soldering, epoxy curing, medical therapeutics and optical pumping. A 0.5-m,...
Coherent Inc.
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BLUE LASER
A fiber-to-laser coupler from Linos Photonics GmbH features an integrated shutter for laser safety. The shutter, which operates on a 12-V power supply, has a response time of <20 ms and includes a...
Qioptiq Photonics GmbH & Co. KG
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TUNABLE LASERS
Exfo announces its IQ-2600B and FLS-2600B tunable laser sources for testing and characterizing DWDM and passive fiber optic components. The lasers, which are offered as a modular source for inclusion...
EXFO Inc.
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LED ILLUMINATION
StockerYale offers LEDs in configurations including line arrays, ringlights, backlights, spotlights and an on-axis diffuse illuminators. The LEDs are suitable for use in microscopy and machine vision...
ProPhotonix Ltd.
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SOCKETS FOR LEDs
Lumex Inc. has announced the SMF-HM1530 series of surface-mount-technology (SMT) sockets for LEDs with radial leads. They allow the use of LEDs with leads in printed circuit boards designed for SMT...
Lumex
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BIOMETRIC CARD
A credit-card-size fingerprint identification system from Sony Electronics Inc. was developed to replace passwords, digital certificates, hardware tokens and smart cards for authentication and data...
Sony Electronics Inc., Visual Imaging Products Group
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FILM COATING
Dymax Corp. has developed a thick- film coating, 9-20558, that cures in seconds upon exposure to UV/VIS light and that adheres to Kapton flex circuits. The cured coating forms a transparent layer...
Dymax, Headquarters
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TELECOM GRATING
Optometrics USA Inc. has developed a 600-lines-per-millimeter grating for telecommunications applications. The relatively flat response in the telecom band eliminates the need for polarizing elements...
Optometrics Corp.
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LINEAR/ROTARY STAGES
A line of miniature motorized linear and rotary stages is available from Edmund Industrial Optics. They come in a variety of configurations and sizes that offer high precision in a turnkey design....
Edmund Optics Inc.
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AMBIENT LIGHT SENSOR
The photosensitivity of Osram Opto Semiconductors' light sensor comes very close to the spectral sensitivity of the human eye. These sensors utilize silicon photodiodes for sensing a variety of light...
Osram Opto Semiconductors Inc.
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AUTOMATED MICROSCOPE
The DM LFSA microscope from Leica Microsystems Inc. provides a stable platform for patch clamp techniques in live-cell research. The device has a programmable nosepiece for smooth transition from one...
Leica Microsystems Inc.
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DIGITAL OSCILLOSCOPES
LeCroy Corp. has added two models to its series of digital oscilloscopes. The LC564DL and the LC554DL offer rates of 2 gigasamples per second on all four channels and the ability to interleave to 4...
Teledyne LeCroy
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VACUUM GAUGE SYSTEM
The HPS Series A900 Combination MicroPirani/Piezo Gauge System from MKS Instruments measures pressure from 3000 to 1024 t. This digital vacuum gauge controller operates up to two sensors and features...
MKS Instruments Inc.
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ANALYSIS SOFTWARE
Optical Research Associates has released version 2.1.2 of LightTools, its illumination design and analysis software. This version is designed to simplify the construction of complex reflectors and...
Synopsys Inc., Optical Solutions Group
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SOLAR SIMULATOR
The Model LS-1000 large-area solar simulator from Solar Light Co. employs a 1000-W xenon lamp and a 1000-W regulated switching power supply with adjustable current for controlling the intensity. The...
Solar Light Co. LLC
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