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Photonics Spectra - January 1997
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Issue Library
Features
Automation Boosts Low-Cost Fiber Pigtailing
The explosive increase of fiber optics in communications, materials processing and medicine is driving both performance and manufacturing technology improvements in fiber optic interconnects....
A Bright Future for Organic Light-Emitting Diodes
Organic materials are part of our everyday life, but only recently have photonic devices begun to exploit their versatility. For more than 20 years it was common knowledge that organic crystals...
CMOS Imaging Approaches Stage Three in its Evolution
Proving that imaging based on complementary metal oxide semiconductors (CMOS) could compete with CCDs was a multifaceted effort. The first step was developing a working product. The second phase was...
We Need to Curb Conflicts in Global High-Tech
There is remarkably little multinational cooperation for the development of new, commercially relevant technologies. There are regional efforts -- notably among the members of the European Union -...
Laser Fusion: An Old Dream Nears Realization
When completed in 2002, the National Ignition Facility will culminate more than a decade of research on laser ignition: the controlled implosion of a small, hydrogen-isotope-filled target by laser...
IR Imaging Arrays Turn to Quantum Wells
A new semiconductor-based infrared detector technology for mid- and long-wavelength instruments is ready for the marketplace. The quantum-well infrared photodetector (QWIP) is based on absorption by...
Long-Period Gratings: Next Generation of Fiber Sensors
Fiber optic sensors, thanks to their size, flexibility and survivability advantages, continue to gain popularity as effective alternatives to conventional transducers. Two types have emerged as...
Microlasers Can Anticipate Expanding Market
The air-cooled argon-ion laser remains the most widely used source OEM applications requiring blue or green light. However, its shortcomings in efficiency, size, operating life and cost have...
Modular CCDs: Building Blocks for Large-Area Sensors
Using the concept of a jigsaw puzzle, the latest generation of high-resolution imagers is built up from several pieces of 1-megapixel blocks. Philips joins the pieces together using dedicated...
Microscopy: Old Technology Gets New Life
Over the last 150 years of microscope development, an impressive array of innovations has come to light. Today’s seemingly commonplace imaging techniques include phase contrast, which won a Nobel...
Micro-Opto Electromechanics Could Revolutionize Photonic Systems
Advances in micro-optics have led to the development of large-volume and batch-processed diffractive and refractive micro-optical components, creating a technology that promises to revolutionize many...
PC-Based Laser Analyzers: New Uses Require Improved Devices
Over the past few years the beam-profile quality of lasers has risen dramatically. Nevertheless, competitive pressures and demanding applications require even higher beam quality and are pushing the...
Raman Spectroscopy: Ready to Meet New Challenges
Once the realm of a few theorists, Raman spectroscopy has surged in popularity during the last decade. Improvements in optics, lasers, detectors and data analysis techniques have turned this...
Replica Molding: Complex Optics at Lower Costs
Researchers at Harvard’s Chemistry Department are exploring new ways of fabricating complex, optically functional surfaces, components and devices using elastomers as starting materials. Organic...
Smart Lightpipe Designs Provide Cost-Effective Optics
For a technology that doesn't get much respect, lightpipes are undergoing remarkably rapid applications growth. Lightpipes carry light from sources -- incandescent or fluorescent lamps or...
Optical Software Undergoing Dramatic Change
Lens design software once was characterized by large, expensive and user-unfriendly programs running on large, expensive and painfully slow mainframe computers. Lens design was almost exclusively the...
All Solid-State Lasers: An Industry Option with Big Potential
Improvements in the size, power, lifetime and ruggedness of solid-state lasers has truly improved their chances in a marketplace that sees a laser as a device and not necessarily a tool. As...
The Proactive View From Germany
As part of a joint presentation on Germany’s drive to keep pace in global, high-tech competition in research development and production, the Institute for Economic Research in Hamburg, Germany,...
Tech Pulse
Two-Photon Therapy Holds Promise as Cancer Treatment
OAK RIDGE, Tenn. -- A two-photon laser technique holds the promise of treating deep-tissue cancers such as early-stage breast cancer, say the scientists who developed the technique. Researchers at...
Laser Dissection Aids Pathologists, Patients
WASHINGTON -- Researchers battling cancer and other debilitating diseases will soon have a new weapon in their arsenal. A technique developed at the National Institutes of Health (NIH) will enable...
Alice's Restaurant at the End of the Universe
INNSBRUCK, Austria -- Physicists are approaching a practical application for a remarkable property of photons, something Einstein called "spooky action at a distance." Science recently reported that...
Chromium-Doped Crystal Shows Near-Infrared Tunability at Room Temperature
Scientists at the City University of New York have grown a chromium-doped laser crystal that they say is tunable in the near-infrared spectral range at room temperature. The researchers demonstrated...
New High-Rejection Optical Filters Aid in Comet Exploration
Scientists at the University of Wisconsin and Acton Research Corp. of Acton, Mass., have developed two high-rejection optical filters for use in NASA's suborbital rocket. NASA will use the filters,...
US Commerce Department Revises Directory of Standards Activities
The 1996 edition of Standards Activities of Organizations in the United States (SP 806) from the US Commerce Department's National Institute of Standards and Technology summarizes the standards...
Fiber Brings 'Live' Response from Ocean Floor
TUCKERTON, N.J. -- In a scene that would make Jules Verne happy, scientists at Rutgers University and the Woods Hole Oceanographic Institute have established the first permanent fiber optic link that...
Holographic Light-Diffusing Technique Could Improve Flat-Panel Displays
A novel holographic light-diffusing technology promises to improve lighting in flat-panel display and specialized flashlight applications. Developed by Physical Optics Corp. of Torrance, Calif., the...
Firms Look for Partners in Deep-Ultraviolet Lithography Research
ASM Lithography of Tempe, Ariz., and IMEC, a research and development organization in Leuven, Belgium, will collaborate on 193-nm-wavelength deep-ultraviolet lithography. The companies will work to...
MSX Galaxy Maps Yield Highest Resolution
The Midcourse Space Experiment (MSX) observatory-class satellite delivered mid-infrared maps of the center of our galaxy with a resolution 15 times better than the previous best taken by the Infrared...
Optical Fingerprint Recognition Could Have Applications in Bank, Internet Security
GAITHERSBURG, Md. -- Researchers at the National Institute of Standards and Technology (NIST) have combined optical correlation methods and digital neural networks to provide more accurate real-time...
New Phosphor View Promises Display Advances
ALBUQUERQUE, N.M. -- A fresh insight into the nature of phosphors promises brighter, more colorful displays and, ultimately, a challenge to liquid crystals for dominance in the portable display...
High-Resolution Technology Opens the Door to New Displays
SUNNYVALE, Calif. -- A fundamentally new approach to display technology may revolutionize those alphanumeric readouts on phones, microwaves, pagers and dashboards. In response to increasing demands...
Russian Laser at Duke University Pumps out UV, Gamma Rays
DURHAM, N.C. -- After settling in at Duke University, the Russian free-electron laser (FEL), has been brought to life emitting UV beams. The OK4 optical klystron FEL, developed at the Budker...
Summit Technology Wins FDA Approval for Further Clinical Tests
Waltham, Mass.-based Summit Technology Inc. will expand clinical trials of its excimer laser system to treat farsightedness, thanks to approval from the US Food and Drug Administration. The trials...
White-Light Device Measures Warpage of Printed Circuit Boards
ATLANTA -- A new technique using a broadband white-light source will enable electronics manufacturers to measure the warpage of a printed circuit board design before it goes into mass production,...
light speed
Bright Days Seen Ahead for Optical Coating Industry
NORWALK, Conn. -- Steady growth through the turn of the century is the forecast for the worldwide optical coating market, says a report from Business Communications Co. Inc. (BCC). The growth is expected to be buoyed by expanded use in medical and industrial applications. However, the market research firm warns, suppliers must aggressively target their industrial customers to offset the slow...
Chrysler Stays Ahead With High-Power CO-2 Lasers
KOKOMO, Ind. -- With Chrysler Corp.'s recent purchase of 11 14-kW CO2 lasers from Convergent Energy, the automaker furthered its commitment to stay ahead of the Big-Three domestic auto manufacturers...
dpiX Wins Military Contract to Develop High-Resolution LCD Technologies
The Defense Advanced Research Projects Agency (DARPA) has awarded a $2.75 million contract to dpiX, a subsidiary of Xerox, to develop high-resolution, reflective-mode display technologies for...
Competition Drives Baby Bells to Sell Bellcore to Defense Firm
TRENTON, N.J. -- After more than 18 months of negotiations, a San Diego-based defense technology contractor has agreed to buy Bellcore, the research concern of the seven regional Baby Bells.In the...
Rofin-Sinar Joins with German Laser Institute on Industrial Laser Development
An exclusive cooperative development project between Rofin-Sinar Inc. of Plymouth, Mich., and the Fraunhofer Institute of Laser Technology of Aachen, Germany, will focus on developing diode-pumped,...
Eastman Kodak Ships Mirror Assemblies, Optical Bench for Satellite System
Eastman Kodak Co.'s Commercial & Government Systems delivered its high-resolution mirror assembly to NASA's Marshall Space Flight Center in Huntsville, Ala., for use in the agency's advanced...
Laser Diode Market Heading Toward $1.2 Billion Mark
MOUNTAIN VIEW, Calif. -- The worldwide market for short-wavelength laser diodes is headed for the billion-dollar-plus mark by the end of the decade, according to a report from market analysis firm...
LeCroy, Fluke Swap Technology for Royalties Under DSO Licensing Pact
Under a technical licensing agreement signed by LeCroy Corp. of Chestnut Ridge, N.Y., and Fluke Corp. of Everett, Wash., LeCroy would give Fluke access to advanced technology for digital storage...
Monroe Community College Receives CNC-Optics Systems from LOH
Germantown, Wis.-based LOH Optical Machinery Inc. has lent a Spheronorm CNC-controlled precision optics system to Monroe Community College in Rochester, N.Y., for educational purposes at the school's...
SpecTran-Corning Fiber-Supply Agreement Grows to $28 Million
SpecTran Corp. of Avon, Conn., has increased by $11 million the value of its contract to provide Corning Inc. of Corning, N.Y., with multimode fiber. The three-year agreement, which was signed last...
Uniphase to Sell Ultrapointe Subsidiary
SAN JOSE, Calif. -- To concentrate its resources on the telecommunications industry, Uniphase Corp. has signed a letter of intent to sell its Ultrapointe subsidiary to Tencor Instruments, a leader in...
Accent on Applications
Detector & Camera Applications
World travelers know that "getting there" is not always glamorous. They have stories of missed flights, jet-lagged meetings and worse. But now they can feel a little safer because of a device about...
Imager Helps Standardize Process Transfers
In the advanced materials processing arena, the use of low-pressure gas discharges is on the increase in applications such as the creation of submicron microchip architectures and thin diamond film...
Presstime Bulletin
Coherent Expands with Purchase of Finnish Wafer Processor Stock
In a move to expand its capabilities and market share in the semiconductor laser industry, Coherent Inc. of Santa Clara, Calif., has acquired 80 percent of the outstanding shares of Finnish epitaxial-wafer producer Tutcore OY Ltd. Coherent also has the option to purchase Tutcore's remaining shares in the future. Coherent officers said that the Tutcore acquisition is key to the company's goal of...
Entries Sought for Advanced Technology Program Competition
The US Department of Commerce is seeking entries for R&D awards under its Advanced Technology Program. The department will make $20 million to $25 million available to support private industry's...
Pentagon Doles Out $570,000 in Research Grants to Aculight
The US Air Force Wright Laboratory Armament Directorate has awarded a $400,000 Small Business Innovation Research Phase II contract to Aculight Corp. of Bellevue, Wash., to develop a 20-kHz, 1.5- to...
Hughes to Build Redesigned Infrared Missiles for Navy
The US Navy has awarded a $169 million contract for its new Sidewinder AIM-9X missiles to Hughes Missile Systems of Tucson, Ariz. Sidewinder missiles use infrared technology to seek out enemy...
Thermo Optek, Laser Science Walk Away from Acquisition Deal
Thermo Optek Corp. of Waltham, Mass., has retracted its bid to acquire Laser Science Inc. of Newton, Mass. The Thermo Instrument System subsidiary withdrew its registration with the US Securities and...
Products
FIBER OPTIC DETECTOR
Newport Corp. has developed the 818-IS-1 Universal Fiber Optic Detector, which uses a symmetrical integrating sphere design for highly accurate, polarization-independent optical power measurements. The dual-port detector measures either bare or connector-terminated single- and multimode optical fibers. FC-, ST- and SC-terminated fiber inputs are accepted, and a dual-detector design allows power...
MKS/Newport
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THERMAL DETECTOR
The Model 2A from Ophir Optronics Inc. is an ultrasensitive thermal detector that can measure from 50 µW to 2 W of average power and from tens of microjoules to 2 J of single- pulse energy. It...
MKS Ophir, Light & Measurement
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SOLID-STATE RELAYS
California Eastern Laboratories is offering a line of NEC optocoupled MOSFET single- and dual-channel relays. These solid-state optically isolated devices are compact and provide complete electrical...
California Eastern Laboratories (CEL)
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OPTICAL FIBER ALIGNMENT
EXFO E.O. Engineering Inc.'s MAS-950 Automatic Alignment System was designed for testing optical fibers at cable production sites. The V-slot system is highly tolerant of vibration, exhibits strong...
EXFO Inc.
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MODULAR F/O SOURCE
ILX Lightwave Corp. has introduced its 7900 Fiber Optic System for applications requiring multiple fiber optic sources. The high-performance fiber optic source modules are custom-designed to meet...
Newport - ILX Lightwave, Photonics
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F/O EDUCATOR KITS
OptoSci Ltd. is offering three educator kits designed for advanced college undergraduate and master's level courses in fiber optics, and for company training centers for optical communications...
OptoSci Ltd.
SINGLE-CHIP CAMERA
The Optical Systems Div. of Marshall Electronics Inc. says its single CMOS sensor camera is the first commercially available camera on a chip made entirely in the US. The black-and-white output...
Marshall Electronics Inc., Optical Systems
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MULTI-CAMERA INSPECTION NETWORK
DALSA Inc. has developed new intelligent camera technology and multi-camera communication components that will allow system integrators to network up to 15 line-scan cameras and funnel data into a...
Teledyne DALSA, Machine Vision OEM Components
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PATTERN LOCATOR
Cognex Corp. has introduced the acuFinder, a rotation and scale-invariant pattern-location software and hardware package for robot guidance applications. The system is designed to locate parts that...
Cognex Corp.
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HIGH-SPEED CAMERA
The Desktop KineView high-speed camera from Adaptive Optics Associates Inc. is a complete video system that includes a 1000-fps digital video camera, a Pentium computer and KineView software. The...
Adaptive Optics Associates Inc.
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DYE-LASER CELLS
Hellma Cells Inc. has developed a range of dye-laser cells that the company says meet the highest optical specifications. Using a method that precisely fuses the cell window, Hellma says it can...
Hellma USA Inc.
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DATA ACQUISITION
The OMB-TEMPBOOK-66 from Omega Engineering is a data acquisition system that adds voltage- and thermocouple-measurement capability to laptop PCs. It can also provide an alternative to plug-in boards...
Omega Engineering Inc.
DIAMOND LAPPING
Engis Corp. has launched a twin-plate diamond lapping system that laps and polishes both sides of an object simultaneously, and produces parallel parts with uniform edge-to-edge flatness. The...
Engis Corp.
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TWO-COMPONENT EPOXY
Master Bond Inc.'s Polymer Adhesive EP21AR was designed for high-performance bonding in applications where high chemical resistance is required. This epoxy is resistant to strong acids, alkalis,...
Master Bond Inc.
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MINI TUNING FILTER
The new compact two-port tunable filter from DiCon Fiberoptics Inc. is used for tuning center wavelength in terminal equipment and custom test systems. Features include a 10-nm tuning range with...
DiCon Fiberoptics Inc.
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Grating Design Software
The Optometrics Group is offering PC Grate for Windows software packages that permit grating-efficiency curves to be computer-plotted. The programs cover the VUV to the far-IR, ±0 to 147...
Optometrics Corp.
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F/O OXYGEN SENSOR
Ocean Optics Inc.'s new fiber optic oxygen sensor was developed for real-time full-spectral analysis of dissolved or gaseous oxygen concentration. The spectrometer-coupled device can be used for...
Ocean Optics - Part of Ocean Insight
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3-D MACHINING SOFTWARE
RI CAM from 3D Scanners Ltd. is a Windows-based software package for generating machining programs from 3-D point data sets. Devised to work with the Range Images generated from the company's REPLICA...
3D Scanners UK Ltd.
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DATA ANALYSIS TOOL
The Experimental Data Analyst from Wolfram Research Inc. is a software program for fitting, error analysis and visualization of experimental data. The system's error analysis capabilities allow users...
Wolfram Research Inc.
VACUUM GATE VALVES
VAT Inc. has introduced a range of vacuum gate valves for pressure ranges from atmosphere to 10210 torr. The components feature shock-free sealing, high cycle life and virtually particle-free...
VAT Inc.
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RED DIODE LASERS
Coherent Instruments Div. has introduced the MicroBlaze line of red diode laser modules, featuring high-brightness, diffraction-limited circular beams. These compact devices use a hermetically sealed...
Coherent Inc.
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Ti:SAPPHIRE LASER
The TU Series tunable Ti:sapphire lasers from Photonics Industries International Inc. offer spectral linewidth as narrow as 1 GHz and a tuning range from 700 to 1000 nm. With a TEM00 beam profile,...
Photonics Industries International Inc.
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LASER WORKSTATION
In collaboration with Quantronix Inc., Optomec Design Co. has developed the Model 90-A laser micromachining workstation, which provides a low-cost platform for research, process development,...
Optomec
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POINT SOURCE LED
The OED 884 point source infrared LED from Centronic Inc. was designed for high-end remoting, infrared links and fiber optic communications links. It features a 50-µm- diameter emitting surface,...
Centronic Ltd.
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BEAMSPLITTER ACCESSORY
The 90-Line beamsplitter from Pinpoint Laser Systems Inc. was designed to increase the alignment and layout capabilities of the company's Red Line Laser Level. This accessory splits the laser light...
Pinpoint Laser Systems
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PARABOLIC MIRRORS
OptoSigma Corp. has developed a family of standard and custom parabolic mirrors, which are available in on- and off-axis configurations up to 16 in. in diameter. They are hand-polished from large...
OptoSigma Corp.
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PRISMS FOR VUV, FAR-IR
Janos Technology Inc. produces a variety of prism shapes for applications from the VUV to the far infrared. The vacuum-coated materials operate in the 0.15- to 50-µm wavelength range and, when...
Janos Technology LLC
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OPTICAL FIBER ANALYSIS
Photon Kinetics Inc. and York Technology Ltd. have improved the software and hardware capabilities of the Model 2600 Preform Analyzer. Improved preform measurement throughput and expanded flexibility...
Photon Kinetics Inc.
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LASER MEASUREMENT
A new laser measurement system from Keyence Corp. of America facilitates position measurement at distances up to 28 mm with 0.1 µm precision. The LT Series combines a 2-µm-diameter laser...
Keyence Corp.
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REAL-TIME MEASUREMENT
Enabling measurements of objects in real-time video, the Model 307 Video Caliper from Colorado Video Inc. features an LCD display that indicates the distance between two cursors that are...
Colorado Video Inc.
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LASER SCALE
Renishaw Inc. says its HS10 Laser Scale delivers the highest accuracy per dollar cost of any standard long-axis machine scale. With 1 ppm accuracy over a range of 250+ ft, this instrument uses a...
Renishaw Inc.
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NEW SPHERE TYPES
Labsphere Inc. has expanded its line of integrating sphere types and sizes. Integrating spheres ranging in size from 25 mm to 3 m, with a choice of UV, VIS, NIR or IR interior diffuse reflectance...
Labsphere Inc.
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VIDEO MEASUREMENT
The OPTEK V-Series of video inspection and measurement systems is available from Operations Technology Inc. The devices deliver transport speeds up to 12 in./s, typical throughput rates of one...
Operations Technology Inc. (OPTEK)
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