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(38,284 articles)
Popular News
Laser Ultrasonics Drive the Nondestructive Testing Market
Jul 1, 1997 — Laser-based systems will drive ultrasonic testing to the forefront of the nondestructive testing (NDT) market, says an analysis of the US NDT market released by Maxtech International. The systems are designed to test composite aircraft sections and tubing used in nuclear power plants.By eliminating the need for water couplants and mechanical scanners, lasers have cleared two major roadblocks to the growth of ultrasonic testing.The overall US nondestructive testing equipment market is expected...
Plastic Makes the Grade
Jul 1, 1997 — Plastic optics have taken a huge leap taken since the 1960s, when, a plastic magnifier epitomized the technology's high end. Today, the plastic diffractive optics landscape can only be described as dynamic.Plastic diffractive optics are finding...
Taking the 'Hype' out of Hyperspectral Imaging
Jul 1, 1997 — Since Landsat's launch more than 30 years ago, everyone from agriculturists to utility executives have looked to airborne and satellite spectral imagers to lift the veil of mystery surrounding natural resource exploration and development.System...
Imaging with Nonlinear Optics
Jul 1, 1997 — One of the more surprising applications of femtosecond lasers is the imaging of sensitive biological structures, which appear to tolerate the onslaught of peak power densities of more that 1011 W/cm2, better than the 105 W/cm2 in a confocal or even...
Instrumentation Keeps Pace with Pulsed Lasers
Jul 1, 1997 — Ss the laser solves more and more problems in industry and the laboratory, applications follow for laser instrumentation that can analyze a laser's power, energy, beam quality and stability. And as the laser expands its abilities to meet the needs...
Telecentric Lenses: Gauge the Difference
Jul 1, 1997 — For decades, engineers developing metrology instrumentation have used telecentric lenses in their products. Contour projectors and optical comparators, for example, owe much of their measurement capability to these unique lenses.Over the past decade...
Boston University Opens $80 Million Photonics Center
Jul 1, 1997 — Wielding golden scissors, politicians and educators cut a ribbon and formally opened Boston University's state-of-the-art $80 million Photonics Center last month. On hand were Sens. Edward M. Kennedy of Massachusetts and Daniel K. Inouye of Hawaii....
Resurfacing Fattens up Big Lens
Jul 1, 1997 — A team of astronomers at the University of Arizona had a second try at creating the world's largest one-piece telescope mirror June 10. In April, it was discovered that 2 tons of glass had leaked out from the 8.4-m mirror and in certain places the...
Newport's President and CEO Adds Title
Jul 1, 1997 — Robert Deuster will assume the post of chairman of the board at Newport Corp., in addition to his duties as the company's president and chief executive officer. Deuster, 46, has been with Newport since 1996. He succeeds Richard Schmidt, who is...
Sales Double for Laser, Electro-Optics Companies
Jul 1, 1997 — Total sales have nearly doubled in the last five years for 19 leading companies in the laser and electro-optics industry, according to a report compiled by the Laser and Electro-Optics Manufacturers' Association (LEOMA). In 1992, sales for the 19...
Photonics Spectra Wins Awards
Jul 1, 1997 — Laurin Publishing Co. has received four awards for editorial excellence in a competition conducted annually by the Northeastern Region of the American Society of Business Press Editors. All of the awards were for material published during 1996...
3-D Pits Boost Optical Storage
Jul 1, 1997 — EMERYVILLE, Calif. -- Two researchers have developed an encoding technique that could revolutionize the world of CD-ROMs and digital video discs, essentially tripling their storage capacity. To consumers, especially those eyeing the trend toward...
Two-Photon Imaging Offers Backside Peek at Chips
Jul 1, 1997 — Single-photon, optical beam-induced- current imaging is a valuable tool for the quality control of integrated circuits. However, this technique has become increasingly ineffective because of the large number of layers added to the front side of the...
American Blue Diode Laser Pulses Atop Silicon Carbide Substrate
Jul 1, 1997 — DURHAM, N.C. -- Cree Research Inc. has demonstrated a pulsed blue semiconductor diode laser that operates at room temperature -- a first step in a race for a commercial device that would greatly increase optical storage capacity.The company's 403-nm...
Samarium Laser Emits X-Rays
Jul 1, 1997 — A group of British scientists successfully demonstrated the operation of a saturated nickel-like samarium x-ray laser beam at 7 nm with an output energy of 0.3 mJ in 50-ps pulses. The narrow divergence, short wavelength and pulse duration and...
Excimer Lasers, High-NA Optics Push Lithography
Jul 1, 1997 — BALTIMORE -- Developments in excimer lasers and high numerical aperture optics technology are pushing photonics into the forefront of semiconductor microlithography, where laser-created feature sizes have already dipped below 0.25 µm.David...
US Strengthening Flat Panel Display Manufacturing Technology
Jul 1, 1997 — The United States Display Consortium, a group of flat panel display manufacturers and developers, has initiated 33 projects to bolster the US infrastructure and supply base.The consortium has committed $107 million to R&D projects over the past...
Putting Photons on Hold Improves Processing
Jul 1, 1997 — To store or process information encoded as light signals, it is often necessary to slow down strings of photons.A group of scientists from the University of Munich has developed a semiconductor device that serves as a quantum well, which...
Just One Second!
Jul 1, 1997 — To keep the world's atomic clocks synchronized with the Earth's rotation, the National Institute of Standards and Technology's Time and Frequency Div. added a "leap" second June 30. This is the 21st adjustment to the world's time scale since 1972...
Lidar Monitors Vapor, Wind
Jul 1, 1997 — Researchers at the Max-Planck-Institut für Meteorologie are developing a ground-based differential absorption lidar technique to remotely monitor water vapor and take wind measurements. A frequency-doubled Nd:YVO laser pumps a continuous-wave...
Pigment Holds Promise for 3-D Machine Vision, Optical Computing
Jul 1, 1997 — JERUSALEM -- A saltwater-borne bacterium may provide the key to the development of parallel optical computers and real-time 3-D robotic vision. Bacteriorhodopsin, the pigment protein derived from the bacterium, possesses unique electro-optical...
Quantum Cascade Laser to Play Key Role in Gas Detection
Jul 1, 1997 — MURRAY HILL, N.J. -- A new laser-based sensor could mark a breakthrough in the detection of minute quantities of trace gases and pollutants.The exceedingly sensitive device is capable of detecting pollutants in parts per billion, according to one of...
Technique Offers Real-Time 3-D Microscopy for Materials
Jul 1, 1997 — JENA, Germany -- German microscope manufacturer Carl Zeiss Jena GmbH has developed a technique that it says provides three-dimensional, real-time microscopic images with the high resolution and sharp contrast of conventional light microscopy.The...
Ultraviolet Laser Combines Steps in Wafer Doping
Jul 1, 1997 — SAN JOSE, Calif. -- An instrument that employs a laser doping process could combine the lithography and silicon doping steps in the manufacture of integrated circuits.The device, a deep-UV stepper using a technique that Ultratech Stepper Inc. calls...
UV Imager Catches Comets Targeting Earth
Jul 1, 1997 — BALTIMORE -- Having a winning design for a satellite imaging device can have rewards beyond the recognition associated with winning a NASA contract. Just ask Iowa University's Louis A. Frank, who designed a UV/VIS imager to study the Earth's aurora,...
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