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Photonics Spectra - April 2000
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Issue Library
Features
Degrees Dropping in a Hot Job Market
Students preparing for a career in photonics could take a lesson from professional gamblers, who understand that the secret to success is knowing when to quit. Right now, overall unemployment in the...
Photonics Design & Solutions:
Modern-day military aircraft depend on a diversity of electromagnetic sensors to provide the pilot with unparalleled battle-space awareness and engagement opportunity. Reconnaissance, search and...
There’s More than Money in that Pot of Gold
The 2000 Photonics Jobs & Salary Survey found that employees who have 10 to 20 years of experience earned, on average, $72,800. But salaries and stock options aren’t the only draw....
Hired Today, Gone Tomorrow?
One out of four readers of Photonics Spectra -- you, your co-worker, your competitor or your boss -- is actively looking for a new job. These job-seekers are already employed but are, in the words of...
Cathing Polluters (Infra)Red-Handed
Day or night and in all types of weather, airborne imaging systems help save lives, catch criminals and bring breaking news to the world. Handheld industrial thermal imaging cameras enhance safety,...
Technology Close-Up:
With the availability of war-surplus night-vision viewers and the development of uncooled thermal infrared sensors, infrared imaging has moved to civilian applications. However, few technologists...
Tech Pulse
Engineering Academy Names Century’s Top Achievements
On behalf of the National Academy of Engineering, astronaut Neil Armstrong announced the most important engineering achievements of the 20th century at a National Press Club luncheon celebrating National Engineers Week 2000. From 105 achievements nominated by 29 professional engineering societies, 20 were selected based on their impact on the quality of life in the past 100 years. Three photonics...
Acousto-Optics Detects Fluorescence
CHARLOTTESVILLE, Va. -- Capillary electrophoresis is fast becoming the preferred method for the separation of DNA, proteins and other molecules -- especially as it is performed on multichannel...
Corning and Gore Test Prototype Fiber
Researchers from Corning Inc. of Corning, N.Y., and W.L. Gore & Associates Inc. of Newark, Del., have successfully tested Corning’s prototype InfiniCor fiber using Gore’s 850-nm...
Lab Produces Record Crystal
In support of the National Ignition Facility at Lawrence Livermore National Laboratory in Livermore, Calif., the lab’s researchers have produced a huge rapid-growth crystal. The 701-lb KDP...
Researchers Unlock the Secrets of Diamonds
HONG KONG -- The captivating beauty of diamonds can overwhelm our sense of their utility. Still, their position as the hardest, most thermally conductive and most chemically resistant material known...
Doping Leads to More Efficient Film
A team from the Université Paris-Sud in Orsay, France, and Agfa-Gevaert NV in Mortsel, Belgium, has reported that formate ions enhance the efficiency of silver halide crystals nearly to their...
Nanostructures Produce Tuned IR Emitters
Lithographically defined nanostructures may enable the production of tuned infrared "sensorchips" for gas analysis, say researchers from Ion Optics Inc. of Waltham, Mass., and NASA’s Jet...
Epichem Produces Mid-IR Laser Diodes and LEDs
Wirral, UK-based Epichem Ltd. has announced that it has fabricated mid-IR LEDs and laser diodes with its Admiral Consortium partners Aixtron AG, RWTH Aachen, Université Montpellier II and the...
Far-Side Observation Predicts Solar Storms
Astrophysicists from Solar Physics Research Corp. in Tucson, Ariz., and NorthWest Research Associates in Boulder, Colo., have developed a technique that may enable scientists to forecast solar storms...
Lasers Continue Across Nuclear Fission Threshold
DIDCOT, UK -- Scientists at the Rutherford Appleton Laboratory have demonstrated that today’s powerful lasers can replace nuclear accelerators in some experimental studies of nuclear and plasma...
Acousto-Optics Detects Fluorescence
STUTTGART, Germany -- A team of physicists at the University of Stuttgart has captured time-resolved images of collapsing microbubbles in water. The researchers used a sensitive, high-speed streak...
MCI WorldCom Tests Optical Network
The OPTera 1600G optical amplification system and OPTera LH platform from Nortel Networks, headquartered in Brampton, Ontario, Canada, were put through their paces in a commercial live trial by MCI...
Researchers Produce Molecular Condensate
A team from the University of Texas in Austin reported in the Feb. 11 issue of Science that it had created a Bose-Einstein condensate of rubidium molecules. Theorists have predicted that the...
Nitres Reports High-Efficiency LEDs
Researchers from Nitres Inc. of Westlake Village, Calif., have announced that they have developed an InGaN-based LED with a quantum efficiency of 20 percent. The near-UV/violet diode displays 405-nm...
Advantages of Two-Photon Imaging
BUFFALO, N.Y. -- During the past decade, photon scanning tunneling microscopy has achieved resolution better than 100 nm, overcoming the optical diffraction limits. Recently, scientists at the State...
Quantum Database Speeds Searches
A potential advantage of storing information in the quantum phase of atoms is the speed of data retrieval. Theorists proposed in 1997 that a search algorithm could locate data in an N-state system in...
Quantum Dots Aim to Be Smart Pixels
SANTA BARBARA, Calif. -- Scientists at the University of California reported the development of a smart pixel device based on quantum dots that can collect, store and retrieve optical...
Raman Method Identifies Pathogens Quickly
ROTTERDAM, Netherlands -- Raman spectroscopy and a confocal microscope may enable medical laboratories to dramatically reduce the time it takes to identify microorganisms so that doctors can make the...
Autonomous Robot Finds Meteorites
PITTSBURGH -- A four-wheeled robot named Nomad recently made history in Antarctica by autonomously searching for and classifying meteorites. The expedition was a collaboration between researchers at...
Spectroscopy Reveals Fluorine’s Role in Rocket Propellant
CHAMPAIGN, Ill. -- A high-speed CCD camera and spectrometer played an important part in analyzing how fluorine gas enhances the combustion of boron in propellants -- an advance that could have an...
Teen’s Work on Laser Earns Semifinal Berth
Aman Narang, a 17-year-old senior at The Harley School in Brighton, N.Y., thought that the computer model he was asked to develop at an eight-week summer program at the University of Rochester would...
IR Telescope Planned for Paranal
The UK Visible and Infrared Survey Telescope project announced that it hopes to install a wide-angle telescope for the European Southern Observatory’s Very Large Telescope at Paranal...
Quantum-Well Lasers are Suited to Trace Analysis
A team from Université Montpellier II in Montpellier, France, Laboratoire Central de Recherche in Orsay, France, and Université Ibnou Zohr in Agadir, Morocco, have described the...
Ultrafast Diffraction Reveals Melting
An experimental setup by researchers from the University of California, San Diego, in La Jolla, and Universität Essen and Universität Hannover, both in Germany, has allowed them to detect...
Water down the Drain Leads to Black Holes in the Lab
Archimedes, the famous story goes, cried, "Eureka!" and leapt from his overflowing bathtub, having discovered the principle of buoyancy. But the drain has much to offer, too. Physicists Ulf Leonhardt...
Spectroscopy Finds Worm Tunnels in Apples
MILAN, Italy -- Worms that make their homes in apples may be facing a new enemy. Physicists have developed a spectroscopy-based instrument to characterize the inside of the fruit, identifying apples...
Approaching Continuous X-ray Laser
BELLATERRA, Spain -- A team of physicists led by Ramón Corbalán at the Universitat Autònoma de Barcelona has developed a theoretical model that promises to meet one of the great...
light speed
Corning Strengthens Role in Filter Market
CORNING, N.Y. -- When potential competitors, suppliers and customers are one and the same, preparation for contingency is the key to success. In the synergistic world of telecommunications typified by last year’s merger of JDS Fitel Inc. of Nepean, Ontario, Canada, and Uniphase Corp. of San Jose, Calif., (and the subsequent multibillion-dollar acquisitions by the resulting JDS Uniphase...
Laser Power Sells Research Operation and Microlaser Business
Laser Power Corp. of San Diego has announced that it has completed the sale of the assets of its contract research operation to Orlando, Fla.-based Schwartz Electro-Optics Inc. The operation was...
Machine Vision Systems Detect Demand
ORLANDO, Fla. -- Machine vision sales have risen steadily since 1992 because of significant price erosion, industry analysts report. Suppliers attribute the increases mostly to strong demand from...
Micronic Charges Etec with Unfair Competition
Micronic Laser Systems AB of Täby, Sweden, has filed a complaint in US District Court in San Jose, Calif., claiming that Etec Systems Inc. of Hayward, Calif., has falsely accused Micronic of...
NEC and Mitsubishi Develop Display Monitor Business
NEC Corp. and Mitsubishi Electric Corp. of Tokyo have established a joint venture company for the display monitor market, to be known as NEC-Mitsubishi Electric Visual Systems Corp., also based in...
Premier Laser Announces Layoffs
Irvine, Calif.-based Premier Laser Systems Inc. has furloughed two-thirds of its work force to address short-term liquidity problems. The company has placed 54 of its 80 employees on temporary unpaid...
California Businessman Indicted on Smuggling Charge
LOS ANGELES -- Jeffrey Jhyfang Lo, owner of East Technoservice Co. in Cypress, faces up to 10 years in federal prison for allegedly attempting to smuggle a defense-grade camera to the People’s...
Plan Issued for Growth in Solar Power
A report from the National Center for Photovoltaics predicts that solar energy will satisfy at least 15 percent of the additional energy demand in the US by 2020. The report advises photovoltaics...
Photonics Lures Venture Capital
SAN JOSE, Calif. -- The good news from the PricewaterhouseCoopers Money Tree Survey: Photonics companies attracted more than $816 million in venture capital in the last quarter of 1999. The bad...
Accent on Applications
Ancient Writings Come to Light
After nearly 1000 years, the earliest known copy of Archimedes’ mathematical theorems can be seen again. Physicist Roger L. Easton Jr. and archaeologist Robert Johnston of the Chester F. Carlson Center for Imaging Science at Rochester Institute of Technology have digitally restored six pages of the original Greek text of Archimedes’ discoveries on optics, physics, astronomy and...
Photomultiplier Enables Small-Scale Gamma Imaging
X-ray mammography provides structural information, identifying breast tumors for further analysis. Gamma imaging, a functional technique, can help with diagnosing a lesion as a cancerous one. But if...
Fiber-Based Headlamp Lights Road to the Future
If you want the prestige of a luxury sedan combined with the higher road clearance of a sport-utility vehicle, check out Mitsubishi Motors Corp.'s SSS. But don't look for the SSS on the highway --...
Presstime Bulletin
National Instruments, Coreco Settle Patent Dispute
Austin, Texas-based National Instruments Corp. announced that it had reached an agreement with Coreco Inc. of St.-Laurent, Quebec, Canada, in a patent infringement dispute regarding National Instruments’ LabView graphical application development software. Under terms of the settlement, National Instruments will license three patents in the US to Coreco, and Coreco will modify its WiT...
OSA Reports a Hit with OFC 2000
The Optical Society of America (OSA), the managing society of the Optical Fiber Communication Conference, said that this year’s show was the largest yet. OFC 2000, which was held March 5...
Premier Laser Files for Chapter 11
Irvine, Calif.-based Premier Laser Systems Inc. filed a voluntary petition for protection and reorganization under Chapter 11 of the Bankruptcy Code in the US Bankruptcy Court in Santa Ana, Calif....
SDL Plans Acquisition of Queensgate
SDL Inc. of San Jose, Calif., announced a $210 million agreement under which it will purchase Queensgate Instruments Ltd. of Bracknell, UK. SDL will offer the company $3 million in cash and...
TRW Accused of Falsifying Test Data
Nira Schwartz, a former senior engineer at TRW Inc.’s Space Group in Redondo Beach, Calif., said the company had knowingly and falsely misrepresented the performance of its discrimination...
Products
LASER ALIGNMENT
Applied Scintillation Technologies Inc.'s Visualize series cards, whose active areas fluoresce under particular wavelengths of light, are detectors suitable for low-power lamp and laser use. The VisualizeIR card features green emission and provides near-IR detection for use with LEDs, IR laser diodes and Nd:YAG lasers. The UVisualize card has a yellow-emitting phosphor and is suitable for use...
Scintacor Ltd.
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MINI READ HEAD
Renishaw Inc.'s 15 x 15 x 8.8-mm read head operates at speeds up to 15 m/s with resolutions as high as 0.2 µm. The RGH34 linear encoder read head is designed for applications where a...
Renishaw Inc.
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PYROELECTRIC DETECTOR
The ED-100A pyroelectric detector from Gentec Electro-Optics measures only 29.1 mm long and 20 mm high. The broadband, spectrally flat coating ensures ±5% accuracy from the deep-UV to the...
Gentec Electro-Optics Inc.
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SINGLE-COLOR SILICON PHOTODIODES
The S6428-01, S6429-01 and S6430-01 silicon photodiodes from Hamamatsu Corp. feature a typical high-speed response of 0.5 µs. The monochromatic color sensors have a low dark current of 5 pA and...
Hamamatsu Corporation
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60-W FIBER ARRAY
A 60-W, continuous-wave multihead fiber array package from Coherent Inc., Semiconductor Group, operates from 780 to 840 nm. Power is delivered through a 1200-µm-diameter fiber bundle with a...
Coherent Inc.
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FIBER OPTIC DEPOLARIZER
Noah Industries Inc.'s fiber optic depolarizer uses proprietary technology to provide <1 dB typical insertion loss and <1 dB extinction ratio at 1310 or 1550 nm. The all-fiber, Lyot-type...
Noah Industries Inc.
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DIODE/FIBER COUPLER
A laser-diode-to-fiber coupler from Oz Optics Ltd. uses a tilt coupling technique to focus the beam onto the fiber core at the image plane of a lens system. The technique also reduces the light...
OZ Optics Limited
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PM FIBER OPTIC COUPLERS
Polarization-maintaining fiber optic couplers from Micro-Optics Inc. feature >20-dB extinction ratio, <2-dB excess loss and >55-dB return loss. The 1 x 8 couplers are available in Panda, bow...
Micro-Optics Inc.
STABILIZED CAMERA
Flir Systems Inc. designed the Ultra 7000 dual-sensor airborne camera system to provide higher altitude, long-range search and surveillance for rotary and fixed-wing aircraft any time of day. The...
FLIR Systems
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THREE-CCD VIDEO CAMERA
With its 800-line resolution and 62-dB signal-to-noise ratio, the DXC-390 video camera is suitable for color inspection applications in microscopy and machine vision. Sony Electronics' Broadcast...
Sony Electronics Inc., Visual Imaging Products Group
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DUAL-CURE EPOXY
Electronic Materials Inc. has introduced the Emcast 700 series of single-component, UV- and/or heat-curable epoxies designed as adhesives, sealants and encapsulants. The dual-cure epoxies enable...
Electronic Materials Inc.
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BEAM MANIPULATION
Laser Components GmbH offers beam manipulation components manufactured by Wild Australia for CO2 and Nd:YAG lasers. The products, including beam expanders, cutting and focusing heads, beam steering...
Laser Components Germany GmbH
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CO2 LASER
The STS CO2 fast-axial-flow laser from PRC Laser can achieve clean cutting speeds of more than 225 in./min for 0.080-in.-thick stainless and galvanized steel, and can cut steel up to 3/4 in. thick....
PRC Laser Corp.
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DIODE LASER
The Tec 500 Littman laser is suitable for molecular spectroscopy, metrology, injection seeding, and atom cooling and trapping. Sacher Lasertechnik designed the tunable, external cavity diode laser to...
Sacher Lasertechnik GmbH
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Nd:YAG LASER
The model LDP-400M diode-pumped Nd:YAG laser has an M2 value of 25 at 400 W. Lee Laser Inc.'s continuous-wave laser uses side-pumped laser diode technology to achieve the high level of output power....
Lee Laser Inc. (See Coherent Inc.)
LASER POWER METER
The Laserstar-RP laser power/energy meter measurement system is able to store up to 50,000 data points onboard in nonvolatile memory. The device from Ophir Optronics Inc. measures repetitive pulses...
MKS Ophir, Light & Measurement
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SOLID MODELING
Version 2.0.4 of the TracePro optomechanical 3-D solid modeling software includes bulk scattering for biomedical applications, updated luminaire design and analysis, and a tracing tool for arbitrary...
Lambda Research Corp.
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OPTICAL RECEIVERS
Martin, Froeschner & Associates has released fiber-coupled and amplified differential optical receivers that allow detection and amplification of the difference between two optical signals at...
Martin, Froeschner & Associates
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ANGLED EYEPIECE
Gradient Lens Corp. has unveiled an accessory that clamps onto a borescope's eyecup and reflects the image 90° so users can look from the side of the instrument. The Hawkeye AE 9003 angled...
Gradient Lens Corp.
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ASPHERIC LENSES
Optical Surfaces Ltd. can design and supply aspheric lenses up to 600 mm in diameter and up to f/2.5, and with diffraction-limited performance of better than λ/4. The company says it can...
Optical Surfaces Ltd.
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DICHROIC COLOR FILTERS
Docter Optics Inc. is offering a line of dichroic color filters manufactured from Schott Borofloat glass, which is known for its resistance to thermal shock and its ability to withstand high...
Docter Optics Inc.
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Er:YAG LASER OPTICS
Meller Optics Inc. manufactures Er:YAG laser optics from sapphire, zinc selenide, silicon and calcium fluoride as planoconvex and planoconcave lenses, turning mirrors, windows, and beamsplitters and...
Meller Optics Inc.
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OPTIC SEALANT
AngstromBond AB9080 adhesive and sealant was designed by Fiber Optic Center Inc. to be cured with or without exposure to UV light. When cured with UV light, the low-viscosity polymer gels in 10 to 20...
Fiber Optic Center Inc.
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UV OBJECTIVE LENS
The Quartz LQ78F3.8 from Electrophysics Corp. is an objective lens for ultraviolet imaging. Designed to view radiation from less than 250 nm, the lens has a fixed focal length of 78 mm,...
Lynred USA
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MICROPOSITIONING
A line of micropositioning products from Edmund Industrial Optics includes metric-based optical rails and carriers, optical mounts, bench plates, baseplates, and supporting posts, post holders and...
Edmund Optics Inc.
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MOTION CONTROLLER
The FW-7344 multiaxis distributed motion controller, part of National Instruments' FlexMotion line, uses the FireWire network bus. FireWire transfers data at 400 Mb/s, faster than the RS-485 serial...
National Instruments Corp.
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TRANSLATION STAGES
The M-500 translation stages from Physik Instrumente GmbH & Co. feature integrated 0.1-µm resolution linear encoders, travel ranges of 4, 8 and 12 in., 100-kg load capacity, velocity up to...
PI (Physik Instrumente) LP, Motion Control, Air Bearings, Piezo Mechanics
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LASER-SCAN MICROMETER
Keyence Corp. of America's LS-5000 laser-scan micrometer series has 0.05-µm resolution and a 1200-cps scan frequency. The controller processes data from up to four sets of scan heads with...
Keyence Corp.
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MULTIBEAM SPECTROMETER
StellarNet Inc. has released the mini-EPP3000, a portable multibeam spectrometer that uses a concave holographic, aberration-corrected flat-field grating with no mirrors. A digital signal processor...
StellarNet Inc.
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MULTIWAVELENGTH METER
With a wavelength accuracy of ±0.003 nm, the FTB-5320 multiwavelength meter measures wavelength and power variation in the C- and L-bands and provides a real-time graphical representation of...
EXFO Inc.
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SPECTROPHOTOMETERS
Secomam has released Prim Light and Prim Advanced UV-VIS spectrophotometers for laboratory applications. The Prim Light offers a range of 330 to 900 nm for a 10-nm bandwidth, making it suitable for...
Secomam
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