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Photonics Spectra - November 1997
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Issue Library
Features
Industrial Imaging Controls Laser Surface Treatment
Laser surface treatment comprises a family of high-power laser techniques that can improve wear, fatigue and erosion resistance of machine parts. These techniques are slowly moving from the research...
Diode Lasers Light the Way for Automotive Signal Lamps
The high brightness and directionality of laser light allow for the design of a new class of ultrathin, uniquely styled automotive tail lamps. These and other diode laser characteristics have driven...
CCD Dynamic Range: Buyers Need Comparable Specifications
The dynamic range of a solid-state image sensor is one of the main characteristics if the device is used in high-end digital still photography. In video applications, the monitor or the human eye...
Image Analysis:
With the increasing importance of quality control as a competitive tool, manufacturers are in constant search of technology solutions that will assist them in improving their production processes. In...
Machining Lasers Find Niches by Solving Very Small Problems
The laser is no newcomer to the micromachining market, but it is becoming a truly enabling technology as it proves it can solve new problems in telecommunications, microelectronics, fiber optics,...
Optical Security:
The computer, the boon of the modern age, has leveled the once stratified business world with the delicacy of a velvet-gloved fist. In this new world where information is king and transactional ease...
Tech Pulse
Boom! From Light Comes Matter
PALO ALTO, Calif. -- In Physics 101, our instructors drilled us on the Law of Matter Conservation: "Thou shalt not create matter from nothing." However, a team of 20 physicists/lawbreakers has done...
Chilly Weather Poses Problems for Fiber Optic Cables
Cold weather has proven troublesome for fiber optic cable performance, often changing the internal geometry of the fiber. Scientists from Bellcore in San Diego have monitored the problem during the...
Sensors' New Clothes Enhance Efficiency
ALBUQUERQUE, N.M. -- A new coating for chemical sensors promises to increase their sensitivity by a factor of 500. The porous coating, developed at Sandia National Laboratories, is less than 1...
CO2 Laser Beam Propels Miniature Rocket
The Advanced Space Transportation Program has launched a miniature rocket propelled by a ground-based laser beam. Scientists at White Sands Missile Range in New Mexico aimed a 10-kW pulsed CO2 laser...
Femtosecond Experts: Fast Is Fun
Research at the very edge of the time scale for laser pulses is becoming more exciting, according to two ultrafast-laser experts who shared the Schawlow Prize (and lecture) at the American Physical...
IR Modeling Proves the Sun's in Hot Water
WATERLOO, Ontario, Canada -- By comparing the infrared spectra of sunspots and a simulation of infrared spectra of very hot water, scientists have confirmed that very hot water does indeed exist in...
Laser Neural Network Acts as Computer
EINDHOVEN, Netherlands -- An optical processing network that uses the effect of external feedback on the output of a laser diode to control processor responses could prove to be the harbinger of the...
Naval Research Laboratory Scientists Unveil Fiber Optic Beamformer
Naval Research Laboratory scientists have developed a beamformer for time-delay steering of a two-dimensional transmitter array. The beamformer is located on a phased array antenna, which resembles a...
Physicists See Green, Discover Atom's Nucleus Emits Visible Light
Atoms routinely emit light when electrons surrounding the nucleus jump to a lower energy level. Energy levels in the nucleus also vary, sometimes by as much as thousands or millions of electron...
Optical Ultrasound Smooths Rough Spots
ORSAY, France -- Industries use ultrasound in quality assurance and materials analysis, and a new optical technique may simplify the process for many applications. Noninvasive ultrasound techniques...
Polarized Light Makes Special Glass Grow
CAMBRIDGE, UK -- Science has pursued organic polymers in the quest for light-powered, nano-size switches, motors and pumps. Now, researchers at the University of Cambridge have developed an inorganic...
Optical Fibers Restore Old Records
LAUSANNE, Switzerland -- A group of scientists at the Federal Institute of Technology's (EPFL) metrology lab has designed an optical stylus that can play old 78-rpm records that are too fragile or...
Gallium-Arsenide Solar Cell Proves Twice as Efficient as Silicon
Spectrolab Inc., a unit of Hughes Electronics Corp. of Los Angeles, has developed a gallium-arsenide solar cell that converts almost twice as much of the sun's energy as traditional silicon cells...
Fiber Advance Eases Splicing
CORNING, N.Y. -- In a move that should improve splicing efficiency and lower system installation costs, Corning Incorporated has tweaked its production process for single-mode fiber and tightened its...
Researchers Bring Trace Gases to Light
A researcher from the University of Leeds in northern England has designed a system that detects trace gases such as methane and other hydrocarbons in the Earth's atmosphere. The system, dubbed FAGE...
Widely Tunable Diode-Pumped Laser Is on the Horizon
A group of Lawrence Livermore National Laboratory scientists in Livermore, Calif., has conducted research that could lead to the development of a widely tunable diode-pumped solid-state laser for...
Photonics Gives New Life to Old Tune
BUENA PARK, Calif. -- The player pianos that were so popular in the early part of this century are making a comeback -- this time with a high-tech twist. Although computerized player pianos that...
US Navy Uses Acousto-Optic Device to Detect Chemicals
An acousto-optic tunable filter instrument worked comparably to a CCD-based monochromator for a recent chemical warfare detection test, according to US military researchers. K. Ewing of the Naval...
University of Vermont Incorporates Sensors in State Bridges
To monitor the structural health of Vermont's aging bridges, the University of Vermont in Burlington has spearheaded a campaign to equip some bridges with an array of different optical sensors....
A Photonics-First Sheds Light on Global Warming
GREENBELT, Md. -- A spaceborne photonic combination could help knock some of the guesswork out of studying global warming and its relationship to aircraft. Scientists know that cirrus clouds hold IR...
light speed
National Research Council's Competitiveness Task Force
WASHINGTON -- The long-standing science and technology relationship between the US and Japan provided the backdrop for a report released in July by the National Research Council's Competitiveness Task Force. The focus was on the future and what US government, industry and research institutions can do to maximize the economic benefits of their relations with Japan. The congressionally mandated...
Demand for Industrial Lasers Increases Slightly
Despite decreased orders from the automobile industry, shipments of industrial laser equipment and systems were up 3.6 percent in the second quarter of 1997 from the same quarter in 1996. The Laser...
Photonics Meets Computer Disk Challenge
SAN JOSE, Calif. -- The demand for increasing data storage seems limitless. In the commercial world, voice mail, replicated databases and faxes on demand are fueling this need. In the consumer world,...
Environmentalists, DoE Ordered to Find Settlement
In the latest attempt to block construction of the National Ignition Facility, a coalition of environmentalists has petitioned a federal judge because the building site is contaminated with...
FANUC Robotics Selected to Provide Laser Cutting for Truck Frame Plant
Formet Industries of Rochester Hills, Mich., has selected FANUC Robotics North America to install an automated system for robotic arc welding and laser cutting. Automated system for robotic arc...
FDA Bill Puts Laser Devices on Fast Track
WASHINGTON -- Legislation that would help new laser medical devices reach the marketplace faster was overwhelmingly approved by the US Senate this fall. The bill, which also addresses federal...
Shortage of Female Scientists Continues
LONDON -- There are more women graduating from science and engineering schools in Great Britain. That's the good news. The flip side is that the proportion of women who choose a science career...
German Firm Earmarks $1.3 Million for Microlasers
As part of a continuing collaboration, German-based Laser Display Technologie KG has agreed to provide an additional $1.3 million in funding to Laser Power Corp. to develop microlasers for use in...
Legislation Would Preserve Funding for Lawrence Livermore Laser Projects
Members of the US Senate and House of Representatives are ironing out legislation that, if passed, would infuse additional funds into Lawrence Livermore National Laboratory to continue laser...
Navy Seeks Photonic Solutions for 2000 and Beyond
WASHINGTON -- Photonics will play an important role in information, aviation, networked defenses and other key applications for national defense, according to a National Research Council report....
Raytheon Acquisition Approved
WASHINGTON -- US Justice Department officials have approved Raytheon Co.'s $9.5 billion acquisition of Hughes Electronics Corp. The acquisition makes the Lexington, Mass., company the nation's...
US Air Force Plans Laser Research Facility
The US Air Force has awarded a contract to Black & Veatch Special Projects Corp. of Overland Park, Kan., to build an advanced laser research facility at Kirtland Air Force Base in New Mexico. The...
Student Wins Award for IR Biopsy
AKRON, Ohio -- A 20-year-old biology student who helped to develop a technique to noninvasively screen for breast cancer has won a B.F. Goodrich Collegiate Inventors award. Robert Chan, Senior,...
Accent on Applications
Image Processing Software Helps Preserve Ancient Art
Artifacts from the city of Ravenna, Italy, which in the fifth century saw the sunset of the Western Roman Empire, have played an important role in developing a multispectral imaging technique. The...
Detector Makes Unearthly Impression
The highly touted Mars Pathfinder voyage in August made headlines not just because it afforded the world its first up-close images of the Red Planet, but also because it marked NASA's successful use...
Frame Grabber Aids Corneal Tomography
Advances in medical imaging have enabled physicians to see parts of the body with unprecedented detail. In the ophthalmology arena, surgeons are using a technique called corneal tomography to image...
IR Beamsplitter Coatings Reduce Gas Analyzer Size, Cost
A manufacturer of gas-analysis equipment had developed a product that could quickly and accurately measure up to 250 hydrocarbon gases, but it was not without its problems. It was a large, expensive...
Laser Sensor Controls Mold Level for Aluminum Ingots
The Reynolds Metals Co. Alabama Reclamation Operations in Muscle Shoals, Ala., processes aluminum from recycled cans, scrap from canning plants and other sources of new and used aluminum as part of...
Silica Fiber Monitors Temperature in Oil Wells
The fuel industry has traditionally used submersible electric pumps to deliver oil from underground reservoirs to ground level. These devices are affected by changes in temperature and pressure,...
Presstime Bulletin
News FlashReally 'Cool' Lasers Bag Nobel Prize for Chu
More than 12 years after his first experiments to trap atoms optically, physicist Steven Chu has won a Nobel Prize for his use of lasers to cool atoms to nearly absolute zero. Chu, a professor of...
Applications Are Sought for Congressional Science and Engineering Fellowship
The Optical Society of America and the Materials Research Society are accepting applications for their congressional science and engineering fellowship for 1998-99. The congressional fellow spends...
Merger Between Digital Instruments and Zygo Corp. Is Nixed
Digital Instruments Inc. and Zygo Corp. have called off their planned merger after weeks of stalled negotiations. The companies decided to terminate the letter of intent signed by both parties after...
McDonald Observatory Is Home of New High-Power Telescope
On Oct. 8, the University of Texas at Austin dedicated the Hobby-Eberly telescope at the McDonald Observatory. The facility is atop Mount Fowlkes in the Davis Mountains at an altitude of 6800 ft. The...
Initial Survey Results Present Mixed Message for Optoelectronics Companies
William Reinsch, the undersecretary for export administration for the US Department of Commerce, released preliminary results of a survey of the optoelectronics market that pointed to reasons for...
University of Toronto Inaugurates Center of Advanced Nanotechnology
A center dedicated to advancing research in nanoelectronic technology and housing several photonics-related research projects was unveiled at the University of Toronto. Among the projects at the...
Products
COMPACT AMPLIFIED PHOTODETECTORS
The Series 99 amplified photodetector modules from Martin, Froeschner & Associates were designed for capturing fast transient light signals with optimal fidelity in the time domain. These compact...
Martin, Froeschner & Associates
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PMT SOCKET
Emco High Voltage Co.'s new nine-stage, 11-pin, 28-mm PMT socket features a high-performance, high-voltage power supply and a low-noise, low-leakage dynode string. The power supply has 0 to 100%...
XP Power
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BENCHTOP AMPLIFIERS
Newport Corp.'s FPA-15 and FPA-18 are high-performance benchtop fiber optic power amplifiers designed specifically for laboratory end users. They have high saturated optical power, a high...
MKS/Newport
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FIBER COMMUNICATION
The VCS-20A talk set from EXFO E.O. Engineering Inc. is suitable for long-haul applications where total fiber attenuation can be the highest. The units, which allow users to communicate over optical...
EXFO Inc.
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EIGHT-CHANNEL WDM
DiCon Fiberoptics Inc.'s new eight-channel wavelength division multiplexer (WDM) was developed to multiplex or demultiplex signals in dense WDM systems with eight wavelengths. Employing optical...
DiCon Fiberoptics Inc.
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FIBER CONNECTIONS
The Multiple-Master Self-Healing Ring from TC Communications Inc. can recover link failures in a fiber optic communications network and is available with the company's 8/12 channel Fiber Optic...
TC Communications Inc.
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FO CONNECTOR CLEANER
The Connector Cleaner from Fiber Instrument Sales Inc. is suited for locations where it is difficult to store and maintain traditional wipes and alcohol. The user removes dust from ferrule ends...
Fiber Instrument Sales Inc.
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FIBER-DELIVERED LIGHT
Oxford Lasers Inc.'s FiberSheet delivers high-power laser beams in a thin, light sheet for flow visualization and particle image velocimetry. Traditionally, a flow event takes place in an enclosed...
Oxford Lasers Inc.
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FIBER OPTIC WALL PLATES
Radiant Communications Corp. is offering a new line of fiber optic wall plates for fiber-to-the-desk applications. The Series WPL is a flush mountable wall plate with two ST-type connectors; a duplex...
Radiant Communications Corp.
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CCD COLOR CAMERA
Toshiba Imaging Systems is offering its Model IK-SM40A CCD color camera with digital signal processing technology. The device has a 410,000-pixel CCD image sensor, 470-line resolution and advanced...
CANON MEDICAL COMPONENTS U.S.A., Video Sensing Devices
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COLOR FRAME GRABBER
The Matrox Imaging Products Group's low-cost frame grabber has advanced true-color, real-time analog acquisition and display capabilities. The Matrox Corona provides up to 24-bit color capture from...
Matrox Imaging
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IMAGING DATABASE
The 32-bit version of the Treasury image database management system from Synoptics Ltd. is designed for use with Windows NT and Windows 95 systems, and also is available as an upgrade to existing...
Synoptics Ltd.
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MACHINE VISION
Phoenix Imaging Inc.
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NEAR-INFRARED CAMERA
The MicronViewer Model 7290AX portable near-infrared camera from Electrophysics Corp. includes a rechargeable one-hour battery. It delivers 700 TV-line resolution and is sensitive from 400 nm to 2...
Lynred USA
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VISION SOFTWARE
Cognex Corp. has introduced its PatMax software system for determining the position of objects in machine vision systems. The software locates objects with a precision that the company says is 10...
Cognex Corp.
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DC/DC CONVERTER
Orion Industries is offering the P10 DC/DC converter, which was designed specifically for PMTs, biomedical instrumentation, scientific lab instrumentation and other applications that require 10-W...
Orion Industries Inc.
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LABVIEW DRIVER
Control Development Inc. has developed a 32-bit LabView Driver Sub Virtual Instrument Node for use with its optical spectrographs on PC cards. This feature makes it compatible with National...
Control Development Inc.
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MODELING SOFTWARE
Lambda Research Corp. has released version 1.2 of its TracePro optomechanical modeling software for illumination analysis and automotive lighting design. Designed with the ACIS modeling engine, the...
Lambda Research Corp.
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PCI INSTRUMENTATION
National Instruments has introduced a series of hardware products that conform to the PCI eXtensions for Instrumentation and PCI Industrial Computer Manufacturers Group specifications. Chassis,...
National Instruments Corp.
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WATER CHILLERS
Thermal Exchange Ltd. has developed closed-circuit water chillers that cover the range from 1 to 10 kW. The Carnot chillers are packaged in units designed to meet the requirements of medical,...
Thermal Exchange Ltd.
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LASER POWER METER
Ophir Optronics Ltd. is offering the PD200 power meter for the 400- to 1100-nm range. The device includes a display unit, which is housed in a high-impact RFI/EMI-protected plastic case with a...
Ophir Optronics Solutions Ltd., Optics Group
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LASER RANGEFINDER
Designed for noncontact distance measurement of hot metal surfaces, the new pulsed laser rangefinder from Riegl USA is available in a range of rugged industrial housings. The LD90-3100 HS/HT features...
Riegl USA Inc.
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TILT SENSOR
Laser Tools Co. Inc. has updated its rotary lasers to include a tilt sensor dubbed SmartSense, an instrument that monitors the laser's operation and turns the motor off if any movement occurs. The...
Laser Tools Co. Inc.
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OPTICAL CEMENT
Summers Optical has introduced a UV-curing optical cement, the SK-9. This acrylate/methacrylate-based substance is a low-viscosity liquid polymer that works with plastic, glass or metal substrates or...
Summers Optical
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COMPUTER-CONTROLLED OPTICAL MACHINING
Precitech is offering the Optimum 5000 computer-controlled machining system for the manufacturing of highly accurate, nonrotationally symmetric lenses, lens molds, conformal optics and f/Theta-type...
AMETEK Precitech Inc.
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DICHROIC FILTERS
Edmund Scientific Co.'s Industrial Optics Div. has developed a line of dichroic filters for color separation and contrast enhancement applications. Supplied in mounted and unmounted versions, the...
Edmund Optics Inc.
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HIGH REFLECTIVITY, BROADBAND UV MIRRORS
New Focus Inc. says its new mirrors are the first commercially available broadband dielectric mirrors for use in low-power UV and blue lasers such as argon-ion. The Model 51X0 series mirrors offer...
Newport - New Focus
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POLYMER COATING
Quantum Technology Inc. is offering AR Polycoat, a polymer coating for dry BBO and KD*P Pockels cells, and dry SHG or THG crystals of BBO, LBO, KD*P or CD*A mounted with windows. This antireflective...
Quantum Technology Inc.
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BENCHTOP AMPLIFIERS
Newport Corp.'s FPA-15 and FPA-18 are high-performance benchtop fiber optic power amplifiers designed specifically for laboratory end users. They have high saturated optical power, a high...
MKS/Newport
Request info >
MOTION CONTROL
The MC1401A-P motion control chipset from Performance Motion Devices Inc. can interface to such position sensors as absolute encoders, resolvers, laser interferometers, A/D converters and...
Performance Motion Devices Inc.
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3-D LIGHT MICROSCOPE
Carl Zeiss Inc. is offering a 3-D imaging system that employs high- magnification, high-resolution light microscopes. The true-color, real-time devices capture images with 10003 magnification. The...
Carl Zeiss Microscopy LLC
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3-D ISOMETRIC DISPLAY
The IsoPlot from Uniscan Instruments Ltd. creates 3-D isometric surface data displays of 2-D data matrices with over 200,000 data points. Employing a 32-bit Multiple Document interface, this software...
Uniscan Instruments Ltd.
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SPECTROMETER SOFTWARE
OOIColor software from Ocean Optics Inc. is a Microsoft Excel worksheet template that contains the necessary code to access data directly from the company's line of miniature fiber optic...
Ocean Optics - Part of Ocean Insight
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SPECTRAL ANALYSIS
Instrument Systems GmbH has launched the IS-SPECWIN spectral analysis software for Windows 95. The software supports all of the company's spectrometers and can be used for spectroradiometry and for...
Instrument Systems GmbH
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