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Photonics Spectra: August 1998

Photonics Spectra
 August 1998


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FEATURES
Aesthetic Surgery: Compared with other surgical cosmetic procedures, lasers are less invasive and enable faster recovery and often superior results. While the cost of a laser-based procedure is often higher than other...
Blood Analysis: Most blood analysis occurs in clinical laboratories, either within hospitals or at private sites. However, new technologies, including some that use photonics components, are moving this type of test...
Consumer Goods The Internet, personal computers and the rise of a culture that needs to quickly send words, images and data around the world are driving improvements in telecommunications. Consumer electronics...
Dentistry: When the Federal Food and Drug Administration allowed Premier Laser Systems Inc. in Irvine, Calif., to market the first laser for hard-tissue applications last year, many in the industry hailed it as...
Medical Imaging: Medical imaging facilities around the world are gradually transforming themselves, becoming more and more alike as a result of the growing globalization of technology markets. As a result, and...
Photonics in Industry Industrial applications of photonic systems are growing steadily as manufacturers realize the benefits of light-based technologies. Laser systems help to create products by cutting, drilling and...
Machining: "The future is bright" could be a manufacturer's summary of the outlook for laser machining. "Just make it affordable" is a typical response from industrial users. As usual, reality lies somewhere...
Photonics in Medicine Photonics and medicine have been companions at least as long as doctors have used light to kill bacteria or treat psoriasis. Only recently has technology begun to catch up with physician's wish...
Military: The push to produce new military technologies that accomplish tasks better, faster and cheaper continues to create a dazzling set of options for military planners. Collaboration is increasingly the...
Ophthalmology: Because it is photonic, the human eye was naturally one of the earliest places for photonics technology to intersect with medicine. Even today, photonics fills much of an ophthalmologist's tool kit....
Photodynamic Therapy: A relatively new technology called photodynamic therapy is revolutionizing the treatment of some types of cancer. In this treatment, a physician injects a patient with a photosensitive chemical. When...
Process Industries: The process chemical industry is a major market for analytical instruments. Both on- and off-line applications for batch analysis use process infrared systems, a broad category that includes...
Semiconductors: Chipmakers are taking great pains to keep development moving at the pace of Moore's Law, which states that the number of transistors on a semiconductor chip doubles every 18 months. Keeping up,...
Telecommunications: The future of telecommunications carries some fairly irrefutable requirements: it must be fast, it must cost less, and it must support an insatiable need for network capacity. Photonics components...
TECH PULSE
Airborne Laser Passes Another Test The US Air Force, along with Boeing Co. of Seattle, TRW Inc. in Detroit and Lockheed Martin in Sunnyvale, Calif., has fired a multihundred-kilowatt chemical oxygen iodine laser as part of the...
Astronomy Project Produces Images The European Southern Observatory's Very Large Telescope delivered its first scientifically useful images May 25-26. Unit Telescope 1 is the first of four 8.2-m telescopes that will join up to three...
Researchers' Paths Cross and a New Laser Is Born In an old vaudeville joke a pursued individual is told: "Head to the roundhouse, they'll never corner you there." And so it is with the so-called whispering-gallery disc laser. With no corners, the...
Researchers Unveil New Technique for Imaging Cells An international team of scientists has refined a method for imaging the chemical components of living cells. Working in collaboration with the National Synchrotron Light Source at Brookhaven...
Robotic 3-D Imager to Brave Chernobyl Deep inside the Chernobyl nuclear power plant in northeastern Ukraine, the site of the worst nuclear meltdown in history, is a room filled with radioactive slag that has kept man and machine at bay...
NASA Builds Chlorophyll Measurement System Researchers at the John C. Stennis Space Center have developed an optical system for measuring the levels of chlorophyll in plant leaves that can provide an early warning of plant stress. The system...
College Installs High-End Digital Imaging Equipment Franklin & Marshall College, a small liberal arts school in Lancaster, Pa., has installed $130,000 worth of digital imaging equipment in one of its biology labs, in an effort to keep pace with...
NIST Researchers Turn to Cryogenic Radiometer Scientists at the National Institute of Science and Technology (NIST) have constructed a laser power and energy measurement system based on a cryogenic radiometer. Since the 1960s, the institute has...
Sensor Relies on 'Time-of-Flight' Spectroscopy Gary Hieftje and Radislav Potyrailo of Indiana University in Bloomington have designed a "distributed" sensor that uses optical time-of-flight spectroscopy. The scientists operate the sensor by...
Device Turns Water, Sunlight to Fuel With current technologies, the Earth's sun could supply all the electricity we need. About 10,000 square miles of photovoltaic panels could generate -- in about six hours of daylight -- a day's worth...
Advances in Polymer Gels Pave Way for Sensors, Displays Physicists at the University of North Texas in Denton have conducted trials using a type of polymer gel called a hydrogel that may play a role in new display or sensor technologies. The hydrogels...
Living Sensors Glow at Change Colonies of luminescent bacteria promise to become biological sensors capable of detecting a variety of parameters such as temperature, pressure or specific chemicals. The microbes, engineered at...
Researchers Use Ion Implantation to Make LEDs Implant Sciences Corp., based in Wakefield, Mass., has pioneered the use of ion implantation in the manufacture of gallium nitride blue light-emitting diodes (LEDs). To embed ions into a material,...
Engineers Introduce Quick Fabrication of Micro-Optics Researchers at Rochester Photonics Corp. have introduced a method for the speedy manufacture of high-NA microlenses, a development that could have an impact on telecommunications. The method, under...
Paint Glows Under Pressure Researchers at Purdue University have mixed fluorescent marker molecules and binders to create paints that indicate changes in temperature and pressure by changing the intensity of their...
Caution Urged on Laser Spot Size for PRK A group of Italian researchers has uncovered evidence that lasers used during photorefractive keratectomy create stress waves that propagate within the eye itself. These waves, which are acoustic in...
Tunable Spectrometer Examines Microsamples As a geologist, George Rossman often examined crystals to determine their purity. Commercially available spectrometers were able to characterize the absorption spectra of large samples, but for...
Laser Tweezers Take a Step Forward Imagine the neuroscientist who, surrounded by banks of equipment, is able to take a pair of tweezers and reach inside a cell to manipulate a tiny organelle or extract a virus. Such is the vision of...
Company Constructs Efficient, Uncooled Diode Semiconductor Laser International Corp., based in Binghamton, N.Y., has unveiled a high-power semiconductor diode laser (808 nm) with a conversion efficiency of 56 percent at room temperature....
Window Design Creates Controllable One-Way Viewing For the past 2000 years of Orthodox Judaism, men and women have worshipped separately, divided either by a solid partition or by using a balcony. Now a professor at Washington University has invented...
LIGHT SPEED
Photonics Manufacturers Compete for Project Awards The Advanced Technology Program is considering 60 proposals for innovative industrial R&D projects in the photonics manufacturing area. Photonics manufacturing, one of eight focused program...
US Display Consortium to Target New Markets A robust electronic display market has spurred the US Display Consortium to define untapped market opportunities. The group has commissioned Stanford Resources Inc. to conduct a study on potential...
Electronic Commerce Spurs Business Success When it comes to starting a business, electronic commerce may make the difference between success and failure. That is the finding of John Penrose, a professor and chairman of information and...
France Drops Barriers for Entrepreneurs In a significant departure from previous policy, the French government has announced initiatives to stimulate the growth of entrepreneurial culture in scientific research and development. Specific...
General Scanning Wins Arbitration with Voxel A three-member panel of the American Arbitration Association handed down a $1.9 million ruling in favor of General Scanning Inc., based in Watertown, Mass. The company had been involved in a contract...
Demand for Metal Halide Lamps Rises A growing number of news-gathering organizations are turning to metal halide lamps because of their portability, light output and low power consumption. According to Welch Allyn Inc.'s Lighting...
Health Institutes Increase Funding Officials at the National Institutes of Health (NIH) are trumpeting a new initiative: improving bioengineering technology. As part of this thrust, the agency has promised more support -- and more...
ILX Lightwave Receives NIST Accreditation ILX Lightwave Corp., a manufacturer of photonic test and measurement instrumentation products, has received accreditation for optical power calibration from the National Institute of Standards and...
Imax Acquires Laser Recorder Rights Imax Corp. of Toronto has acquired the rights and patents to develop a large-format laser film recorder that will allow Imax to digitally record high-quality, computer-generated images on film. Imax...
Transceiver Vendors Agree on Interface A group of fiber optic component suppliers has agreed to distribute uniform transceivers with identical interfaces. The seven companies are: Sumitomo Electric Lightwave Corp.; Siemens...
Japan to Reform Research Institutes After years of slow progress in reforming Japan's research institutions, the country's Science and Technology Agency has developed plans that will radically alter the way institutes operate. The...
Telecom Industry Challenges Minnesota Contract Telecommunications companies are battling with Minnesota over rights to install fiber optic cable along the state's interstate freeways. Other states are grappling with similar issues, so industry...
Names in the News Hewlett-Packard Co. has named Edward W. Barnholt as executive vice president and general manager of its newly created test and measurement organization. Wilfred C. Kittler Jr. has joined NeoVac as...
US Companies Neglect Patent Opportunities US companies are sitting on $115 billion of their own neglected commercial assets, according to a survey sponsored by BTG Inc., a technology transfer company based in the UK. The survey, taken among...
Court Chooses Privacy over Technology Prosecutors have asked the 9th US Circuit Court of Appeals to reconsider and rehear a case in which a panel of the court recently upheld privacy over technological snooping. In an effort to establish...
Positive Light and Coherent Settle Dispute Positive Light Inc. of Los Gatos, Calif., has settled its patent infringement suit against Coherent Inc. of Santa Clara, Calif. Under the agreement, Positive Light will enforce its US patent covering...
Telecom Consortium Announces New Standards Spurred by the increased globalization of the telecommunications industry, a consortium of telecom companies has released TL9000, a new set of quality standards. The requirements will affect more...
Robotic Vision Systems Wins Suit A California court has upheld Hauppauge, N.Y.-based Robotic Vision Systems Inc.'s claim that View Engineering Inc. of Simi Valley, Calif., a subsidiary of General Scanning Inc. of Watertown, Mass.,...
ACCENT ON APPLICATIONS
Laser Increases Lifetime of Jet Engine Fan Blades During takeoff, jet engine fan blades can take a heavy beating. Foreign objects such as stones and ice can be sucked into the engine, denting the blades. The damage shortens the blades' useful...
Diode Laser Helps Identify Pathogens On the battlefield, soldiers must face not only the dangers of high-technology weaponry, but also the risk of chemical and biological warfare. In the event of a biological attack, rapid...
Auto Industry Relies on Image Processing for Quality Control Metal forged parts such as gears, bearings, flanges or housings play an important role in the automotive industry. The parts are hot- or cold-formed from raw material in large presses, producing...
Photonics Accelerates Truss-Building At a South Carolina-based truss-building facility, a trio comprising computer software, lasers and "cybersaws" has eliminated three problems: poor throughput, high employee turnover and inefficient...
PRESSTIME BULLETIN
Engineers Begin Installing Lasers at Hanford Observatory For years scientists have investigated ways of observing a phenomenon known as gravitational waves. As part of his theory of relativity, Albert Einstein speculated about the existence of the waves in 1916. He reasoned that the waves resulted from large masses moving suddenly, causing ripples throughout the universe. Scientists at the California Institute of Technology in Pasadena, Calif., and...
NIST to Address Optical Radiation Hazards The National Institute of Science and Technology (NIST) will hold its International Symposium on Measurements of Optical Radiation Hazards from Sept. 1-3 at its headquarters in Gaithersburg, Md. The...
Solid-State UV Lasers Advance Photonics Industries International Inc. of Stony Brook, N.Y., has announced its latest achievement in the development of high-power UV lasers. The company has unveiled a 4.5-W solid-state device...
Physicists Identify Single Molecules Through Vibration Physicists from Cornell University in Ithaca, N.Y., have discovered a way to identify single molecules by their vibration signature. The advance could lead to new ways to study biological molecules...
Red Cross Backs Ban on Blinding Lasers The International Red Cross has spoken out in favor of an international ban on blinding lasers -- enacted before such weapons ever reached the battlefield. The ban, which took effect July 30, outlaws...
PRODUCTS
PHOTODIODE DETECTOR The Model PD300 Series photodiode detector from Ophir Optronics Inc. is now offered with a 7-mm aperture option. In compliance with the Center for Devices and Radiological Health, the detector...
MKS Ophir, Light & Measurement
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MEASURING BACKREFLECTION The handheld optical return loss module from Fiber Instrument Sales Inc. measures backreflection on patchcords or installed fiber optic systems. Available in four configurations, the device...
Fiber Instrument Sales Inc.
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GLASS TUBING FOR FIBERS Friedrich & Dimmock Inc. has released a line of borosilicate glass tubing for medical and communications equipment. Used to encase individual plastic or quartz optical fibers, the microcapillary...
Friedrich & Dimmock Inc.
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CCD CAMERA SYSTEM The SP-Eye is a compact monochrome camera system from Photonic Science capable of producing images from both video rate bright-field and integrated low-light fluorescence applications. It features a...
Photonic Science and Engineering Ltd.
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CMOS CAMERA The Fuga 15 camera with a PCI bus interface from C-Cam Technologies offers a resolution of 512 x 512 pixels. Available in monochrome and in color, the camera has a dynamic range of 120 dB. The color...
C-Cam Technologies
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LOW-LIGHT IMAGING Hamamatsu Corp. has introduced the N7220 electron bombardment CCD tube, which is designed for low-light-level imaging applications. When responding to incident light, the device emits electrons from...
Hamamatsu Corporation
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ULTRACOMPACT CAMERAS Sony Electronics Inc. is offering the ultracompact XC-55 and XC-55BB monochrome series of miniature camera modules. The 1/3-in. interline transfer progressive scan CCD cameras are designed for easy...
Sony Electronics Inc., Visual Imaging Products Group
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UV CURING SYSTEM Xenon Corp. has announced its CoolCureXL system featuring a spiral-shaped, pulsed UV lamp that is the same size as a DVD and can produce a cool cure. This technology offers DVD manufacturers an...
XENON Corporation
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LUMINESCENT GLASS Sumita Optical Glass Inc. has developed a long-lasing luminescent glass that can be produced in the same manner as conventional glass. Appli-cations for the glass include high-density recording in...
Sumita Optical Glass Inc.
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SAPPHIRE WINDOWS A series of thin, lightweight, high-strength sapphire windows designed for high-vacuum, chemical processing and industrial applications are available from Meller Optics Inc. The sapphire windows,...
Meller Optics Inc.
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UV ANALYZER Labsphere Inc. has designed the UV-1000P Ultraviolet Transmittance Analyzer to measure the percentage of transmittance of light-resistant pharmaceutical containers. A dual diode array spectrometer...
Labsphere Inc.
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OPTICAL VIEWING SYSTEM Vision Engineering's TS4-30° stereo Dynascope offers the high resolution of a microscope with a large viewing area, allowing freedom of head and body movement and resulting in fatigue-free viewing....
Vision Engineering Inc.
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PHOTONICS SPECTRA 1998
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