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Photonics Spectra - August 1997
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Issue Library
Features
Auto Manufacturing:
Despite its reputation as being conservative about adopting new technologies, the automotive industry has a firm grasp of photonics, and it actively encourages developments that can improve its bottom line. It's not a great stretch of the imagination to guess that photonics touched most, if not all, of the 62.7 million vehicles produced in the US in the first six months of 1997. Lasers cut parts...
Computer Disks Require Precision Measurements
In 1996, Seagate Technology shipped 26.8 percent of the world's hard disk drives, according to DISK/TREND. Company officials say process automation has been one of the company's keys to competitive...
Ophthalmology:
Lasers have worked in ophthalmology almost since the laser was invented in 1960. Granted, the techniques have changed and new procedures have evolved, but ophthalmological lasers remain among the...
Photonics in Industry:
Photonics cuts and welds, verifies shapes and labels, and assesses function. It helps produce quality products and verify that quality. Quality issues are the stuff of symposia throughout the world....
Dentistry: Manufacturing Technology Works in the Mouth
It doesn't take a huge stretch of the imagination to consider the possiblity that the technology that drills precise holes in metal parts might also be able to drill precise holes in teeth. The...
Pharmaceuticals:
The 1990s have marked a decade of significant change for quality control in the pharmaceutical industry. New governmental regulations in the US have prompted capital expenditures for automated...
Power Generators:
Energy use is increasing around the world, driven by expanding industry and populations. At the same time, concerns about the environmental impact of generating plants emissions are driving changes...
Medical Imaging:
The field of medical imaging has embraced numerous technologies in the last twenty years. Terms that were unfamiliar even to medical professionals only a few decades ago -- computed tomography,...
Chemical Industries:
For years, the chemical industries manufactured products, ship them, store them and dispose of waste essentially unhindered. Environmental awareness, government regulation and economic factors over...
Medical Sensing:
Noninvasive medical sensors have been an enigma to many in the research and development sectors in recent years. So close to becoming viable, yet not close enough, they have inhabited the no manis...
Telecommunications:
Telecommunications is primarily a photonic endeavor in the 1990s. Optical fiber carries signals from lasers to detectors, which just happen to turn those photons into electrons for the ride to a...
Cardiology:
Keyhole" is the buzzword for lasers in cardiovascular surgery, as it is in many other surgical disciplines. Minimally invasive procedures are being cultivated to reduce the injury and healing time...
Semiconductors:
A major change in the semiconductor industry is prompting considerable growth in the demand for instrumentation and manufcturing tools. Wafers are getting larger, and lithography design improvements...
Tech Pulse
Fiber Aids Atom Deposition
A group of Japanese and Korean researchers have discovered an atom deposition technique that overcomes the diffraction limit in optical lithography. The researchers sent atoms down a micron-size, hollow optical fiber, with a blue detuned evanescent light. Evanescent light is unique because it is unaffected by diffraction, allowing researchers to precisely control a small number of atoms. This,...
Defense Technology Aids Medicine
WASHINGTON -- A combination of military and commercial technology has created a practical midwave IR spectral imaging microscope. The system developed by researchers from the National Institute of...
DUV Inspection May Be Vital to Next Generation of Microchips
YAVNE, Israel -- Scientists familiar with the semiconductor industry say deep-UV inspection systems will be an important part of next-generation microchips as feature sizes slip below the...
Europeans Aim to Decorate Plastics
Lambda Physik has teamed up with several partners for the European Brite/Euram III development program to design a system for laser decoration. The proposed system will create permanent multicolor...
Fiber Laser Sets a Record
MURRAY HILL, N.J. -- A recent demonstration of optical fiber lasers with ultrahigh output powers could have implications for telecommunications, materials processing and medical applications,...
French Researchers Model Solitons
With rapidly increasing transmis-sion speeds in fiber optic networks, problems such as chromatic dispersion have distorted optical signals. Bernard Michaux, a research engineer at the Burgundy...
Hybrid Receptors: A New Direction for Nonlinear Development
PASADENA, Calif. -- You would think that increasing the efficiency of a third-order nonlinear material by 35 times at the commercially attractive wavelength of 1.5 µm would be enough to make a...
Large Telescope Reaches Japan
The Technical Museum of Nagasaki in Japan is the new home of a 70-cm telescope manufactured by Carl Zeiss. The medium-size telescope features an optically corrected two-mirror Ritchey-Chrétien...
Lasers Help Identify Airborne Particles in Real Time
RIVERSIDE, Calif. -- Around the globe, lasers are becoming one of the most accurate ways to measure wind speed and direction. Now researchers are using coherent beams to determine in real time and in...
Matsushita Improves Silica Aerogel
OSAKA, Japan -- A new waterproofing process could lengthen the lifetime and optical efficiency of silica aerogel, a material used in a variety of applications, including the cladding and protection...
Nanophotonics Moves Ahead
Researchers at Northwestern University in Evanston, Ill., have constructed a nanoscale photonic resonator that is more than 100 times smaller than the cross section of a human hair. In combination...
Single-Step QC Laser Emits at 8.5 µm
In the latest development in quantum cascade laser research, a group of Northwestern University scientists reported an 8.5-µm emission from quantum cascade lasers grown in a single step by...
System Senses Individual Electrons
MURRAY HILL, N.J. -- A system that can monitor and image individual electrical charges on and below the surface of semiconductor devices could be the next step in the never-ending quest for smaller,...
New Spectrometer Sheds Light on Chemical Mystery
GLASGOW, UK -- Determining the absolute configuration of molecules is a prerequisite to developing new medicines. So-called chiral molecules are common and yet complex entities, existing in two forms...
Machine vision steals the show
TUCSON, Ariz. -- Machine vision successfully made the move from laboratory to industry. Now it looks as if it might make it in the theater as well. Arizona State University's Robb Lovell and John...
light speed
Can business learn from baboons? You bet
STANFORD, Calif. -- It's a jungle out there. No one knows this better than Robert Sapolsky, a professor of neuroscience and biology at Stanford University. For years, Sapolsky has investigated the...
Double-Digit Telecom Growth Predicted
The overall telecommunications market (including equipment and services) grew 11% in 1996 and generated revenues of $298 billion. A market report put out by the Telecommunications Industry...
European photonics manufacturers predict key laser applications
MUNICH, Germany -- Measurement, medicine and machining will be the most important future applications of laser technology, according to a proposal that photonics manufacturers presented to the...
Northwest Orders Fiber Gyros
Litton Industries' Aero Products division has received a $35 million contract to retrofit Northwest Airlines' inertial navigation systems installed on 33 Northwest B747 and 21 Northwest DC-10-40...
Laser 97 reflects photonics growth
MUNICH, Germany -- Photonics has become a more developed industry, and its prospects for additional growth are excellent, said visitors to the Laser 97 trade show and conferences. The June trade fair...
Mediation wins favor for settling disputes
ITHACA, N.Y. -- The alternative dispute resolution process, in which the laser industry was one of the pioneers, has won widespread industry acceptance, says a report from Cornell University's...
Oil Platforms Get Connected
Submarine Systems International has signed a $17.6 million deal with Brazil's state-owned oil company, Petroleo Brasileiro S.A., to provide the first undersea fiber optic cable network for offshore...
Laser Probe
A joint effort among the US Department of Defense, ITT of Roanoke, Va., and Litton of Tempe, Ariz., resulted in the production of these night-vision goggles for the US Marines.
Continued Profits Lead to Increased R & D Spending
Sizable profits encouraged major US corporations to continue investing in the future, by sinking a larger percentage of their revenues into R&D last year. The leading 100 US companies increased...
Report pushes US defense commercialization
WASHINGTON -- A report soon to be released by the Optoelectronics Industry Development Association extols the virtues of closer connections between industry and the US Department of Defense, with...
Rofin-Sinar acquires German laser diode company
PLYMOUTH, Mich. -- Developer and manufacturer of high-performance laser beam sources, Rofin-Sinar Technologies Inc., has announced its agreement to purchase 80 percent of the stock of Hamburg,...
Industrial Laser Sales Increase
Shipments of industrial laser equipment rose 15% over last year's levels to $123 million for the first quarter of 1997, according to a report issued by the Laser Systems Product Group. Industrial...
Accent on Applications
CCD Camera Helps Analyze Print Head Problems
Charge-coupled-device (CCD) technology plays a leading role in allowing visualization of ultrafast-motion events. A high-resolution, high-speed CCD camera from The Cooke Corp. in Tonawanda, N.Y., is making life a lot easier for one manufacturer of inkjet printers. A fiber optic bundle with a collimating lens backlights the droplet stream. The FlashCam is at left. The print heads on these...
Fiber Drawing Tower Ups Quality, Enables Diversity
Fiberoptic Systems Inc. (FSI) of Simi Valley, Calif., a manufacturer of optical fiber and assemblies for the OEM market, experienced a significant increase in demand for its diverse products and...
Custom Microscope System Takes the 'Bugs' out of Insect Study
Entomologists who track the behavior of insects have some pretty specific needs with regard to a microscopy system. The head of a gypsy moth caterpillar can be seen clearly through the Zoom 70...
Presstime Bulletin
Spacecraft has rendezvous with asteroid
More than 100 years after its discovery, scientists at Johns Hopkins University's Applied Physics Laboratory in Laurel, Md., finally got a close view of asteroid 253 Mathilde. Asteroid 253 Mathilde...
Lasers Allegedly Blind Pilots
The US Federal Aviation Administration is investigating four reports of pilots being temporarily blinded by lasers while flying aircraft in the Los Angeles area. The last reported incident occurred...
Hawaii Receives Air Force Telescope for Satellite Tracking, Viewing
A 10,000-ft-high mountain in Maui, Hawaii, is home to one of the world's largest telescopes. The US Air Force presented the new telescope at a July ceremony attended by Hawaii's US Sen. Daniel...
Photonics Brings Mars to the World's Living Rooms
Every decade or so, in the void of space, photonics plays a pivotal role in an event that makes the universe seem a little smaller. A quarter of a century ago, images of man's first steps on the moon...
Sensors Are Key to Missile Interceptor
The Pentagon has successfully tested an infrared sensor that will act as the "eyes" of a missile interceptor, which is part of a proposed nationwide defense system against enemy ballistic missiles....
US Cracks Down on Laser, Chemical Exports Used in Weapons Manufacture
The US Department of Commerce has expanded its crackdown on exports beyond nuclear weapons technology to encompass materials for making chemical weapons, including uranium and lasers. Undersecretary...
Products
GATED INTENSIFIER SYSTEM
Kentech Instruments Ltd. introduces its high rate imager, featuring an 18-mm microchannel plate intensifier tube to produce high-resolution images with an optical impulse gate width of 500 ps at a...
Kentech Instruments Ltd.
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FIBER OPTIC ADAPTERS
Radiant Communications Corp. introduces its ST-type adapters available in a rugged metal housing with three types of sleeves: a polymer sleeve for multimode fiber, a phosphor bronze for both...
Radiant Communications Corp.
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FILTER TAP COUPLER
DiCon Fiberoptics Inc. introduces a filter tap coupler that uses thin-film technology to tap a small percentage of light from a transmission line for monitoring purposes. Tap ratios of 1 to 5 percent...
DiCon Fiberoptics Inc.
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OPTICAL REIMAGING
Opto Power Corp. has developed the OPC-ORU-C2M, a CCD-based optical reimaging unit that focuses light from the company's fiber-coupled diode lasers and OEM laser modules into smaller or larger spot...
Opto GmbH
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CONVERTERS/INVERTERS
Endicott Research Group Inc. is offering a range of inverters and converters to supply power to backlit flat panel displays. For high-brightness, transflective or transmissive flat panel LCDs, the...
Endicott Research Group Inc.
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PORTABLE LIGHT ANALYSIS
The CLAS-2D/p is a portable version of WaveFront Sciences Inc.'s light- analysis system (CLAS-2D). Now the phase measurement capability of an interferometer can be transported to remote sites for...
AMO WaveFront Sciences LLC
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SCOPE CONVERTS UV LIGHT TO VISIBLE
Sumita Optical Glass Inc. is offering the Image Scope, which can convert UV light to visible light by applying the principle of fluorescence glass. It comprises 20,000 10-µm fibers that are 1 m...
Sumita Optical Glass Inc.
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COMPACT Q-SWITCHED Nd:YAG LASER
Big Sky Laser Technologies Inc. is offering the ULTRA CFR, a compact pulsed Nd:YAG laser suited for micromachining, ablation, dye pumping, fluorescence and mass spectroscopy applications. The device...
Keopsys by Lumibird
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LASER MIRROR COATING
Computer Optics Inc. has developed the UHR PPD ultrahigh-reflectivity dielectric laser mirror coating for the far-infrared range. The coating process ensures the same reflectance as traditional gold...
Computer Optics Inc., IRZoom
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LASER SAFETY
JBV Optical Co. has expanded its product base to include high-power laser beam dumps. The company says its beam dump features all-metal construction and has a high damage threshold coating that does...
JBV Optical Co.
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SUBMINIATURE UV LAMP
The BF325-UV1 subminiature UV lamp from JKL Components Corp. has a diameter of only 3 mm and is 25 mm long. It operates at 140-V rms on 2.5-mA rms. Typical lamp wattage is 0.35, peak wavelength is...
JKL Components Corp.
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DIAMOND TURNING
AlumiPlate Inc. electroplates high-purity aluminum onto mirror substrates that can be used to produce repeatable IR or visible-quality optics off the diamond-turning equipment without postpolishing...
AlumiPlate
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OPTICS SOFTWARE
Holo-Or Ltd.'s diffractive DTPG software in 32-bit variant for Windows 95 includes a user-friendly interface, a database of diffractive optical elements and half-radius tool options. Computer...
Holo/Or Ltd.
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RAY-TRACING SOFTWARE
Kidger Optics Ltd. has released its nonsequential ray-tracing software module for its SIGMA-2100 optical design program. The module handles both nonimaging and imaging systems. Applications include...
Kidger Optics Associates
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SCAN LENS
Sill Optics has developed a scan lens with a scan area of 500 3 500 mm. It is optimized for a beam diameter of 25 mm, allowing spots of less than 60 µm to be realized. The addition of this lens...
Sill Optics
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MICROPOSITIONER
The Supper Soloslide Micropositioner, a compact, single-axis micropositioner for OEM use in laser, optics, fiber optic and laboratory equipment, is available from Charles Supper Co. This tiny...
Charles Supper Co. Inc.
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MULTIAXIS STAGES WITH SUBNANOMETER RESOLUTION
Physik Instrumente GmbH & Co. has developed the P-517.2C and P-527.2C X-Y piezoelectrically driven flexure stages. They feature 100 3 100- and 200 3 200-µm X-Y travel ranges, integrated...
PI (Physik Instrumente) LP, Motion Control, Air Bearings, Piezo Mechanics
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POSITIONING COMPONENTS
Newport Corp. has introduced a post system for mounting and positioning optomechanical components. These TPS Series posts and complementary clamps offer end users configuration flexibility. The TPS...
MKS/Newport
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COLOR OSCILLOSCOPE
LeCroy is offering the Model LC374A high-performance color oscilloscope, which has four input channels with 500-MHz bandwidth and 1 GS/s sampling on each channel. The scope features long record...
Teledyne LeCroy
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SPECTROMETER ACCESSORY
Pike Technologies Inc. has introduced MIRacle, a single-reflection horizontal attenuated total reflectance accessory for FTIR spectrometers. MIRacle is designed to analyze a variety of organic...
PIKE Technologies Inc.
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ACCESSORIES FOR SPECTRORADIOMETRY, PHOTOMETRY
Instrument Systems GmbH has introduced the CAS 140B models of array spectrometers. Supplied with diode array, CCD and InGaAs detectors, these devices are suited for spectroradiometry and photometry...
Instrument Systems GmbH
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THICKNESS MEASUREMENT
Rudolph Technologies Inc.'s Vanguard SpectraLASER 200XL is a transparent film metrology tool with the power of spectroscopic ellipsometry. The system uses lasers at 458, 633, 780 and 905 nm, plus a...
Rudolph Technologies Inc.
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