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Materials, Coatings News
Fast Coatings for DWDM Filters
Feb 1, 2001 — Current and forecast market requirements for dense wavelength division multiplexing (DWDM) filters are driving the need for ever-increasing production throughput. Manufacturers are calling for larger substrate diameters, enhanced uniformity and reduced process times. To meet these requirements, the theoretical design of DWDM filters - the layer thicknesses and sequence - necessitates manufacture with 100 times more precision than conventional thin films. For example, four-cavity DWDM filters...
Veeco Wins Order for e-Beam System for AR Coatings
Jan 11, 2001 — PLAINVIEW, NY, Jan. 11 -- Veeco Instruments Inc. has received a multiunit order for its new Spector e-beam system from a leading manufacturer of active optical telecommunications components. The systems will be used in the production of high...
New Liquid Crystal Promises Better Displays
EINDHOVEN, Netherlands -- EINDHOVEN, Netherlands -- Researchers at the Dutch Polymer Institute of Eindhoven University of Technology have identified materials that may enable them to develop liquid crystal displays (LCDs) that generate contrast by controlling...
Optical Patterning Structures Films
ALBUQUERQUE, N.M. -- ALBUQUERQUE, N.M. -- Researchers at Sandia National Laboratories have developed an inexpensive method for controlling the structure of thin films. Using self-assembly methods and optical patterning, they create ordered porous composite...
Edmund Buys Embattled Plummer
BARRINGTON, N.J. -- BARRINGTON, N.J. -- Edmund Optics Inc. has agreed to acquire Plummer Precision Optics Inc., apparently as part of a settlement in Plummer’s federal "whistle-blower" litigation. Plummer expands Edmund’s capabilities in precision optical...
Semiconductor Metrology: Will Photonics Measure Up?
Dec 1, 2000 — The semiconductor industry’s progress toward new materials and fabrication methods is creating opportunities for effective, fast and nondestructive photonic metrology techniques. This applies along the entire chain of production, from wafer...
Cree Splits Stock Two-For-One
Nov 2, 2000 — DURHAM, N.C., Nov. 2 -- Cree Inc., developer of semiconductor materials and devices based on silicon carbide, gallium nitride and related compounds, has issued a two-for-one stock split that will increase the number of shares of common stock...
Coatings Control Aberration in Optical Pickups
Nov 1, 2000 — The demand for more-compact optical disk drives in laptops has created a problem: The shorter image-to-object distances result in astigmatism. The solution has been to introduce aberrations into the plastic lenses in the optical pickups, but this...
Damage Control:
Nov 1, 2000 — Thanks to modern manufacturing practices, thin-film coatings for high-power laser systems can withstand high fluences before experiencing catastrophic damage. Yet laser fluence all too often damages optics in real-world applications. End users often...
Research Centers to Focus on Sensing, Materials
Nov 1, 2000 — The National Science Foundation has established several university-based research centers to focus on advanced microsystem and sensing technologies, and on materials research. The Center for Subsurface Sensing and Imaging at Northeastern University...
Isomet Secures $2.8 Millionin Birefringent Materials Orders
Oct 24, 2000 — SPRINGFIELD, Va., Oct. 24 -- Isomet Corp. has received $2.8 million in orders for birefringent materials used in DWDM products for a customer in the fiber optic industry. Isomet will make shipments through December of next year. Isomet supplies...
Cierra, Honeywell Sign Tech Transfer Agreement
Oct 23, 2000 — SANTA ROSA, Calif., Oct. 23 -- Cierra Photonics Inc. has signed a technology transfer agreement with Honeywell International Inc. that gives Cierra sole access to Honeywell's technique of making ultra-low loss optical coatings. Honeywell produces...
ATMI Launches Optical Materials Initiative
Oct 19, 2000 — DANBURY, Conn., Oct. 19 -- ATMI Inc., a provider of specialty materials and related equipment for the semiconductor industry, will expand on its ongoing venture to manufacture high-performance optical materials used in the development of blue laser...
Caterpillar to Develop New Laser Capabilities, Transmission Gears
Oct 6, 2000 — PEORIA, Ill., Oct. 6 -- The National Institute of Science & Technology (NIST), part of the US Commerce Department, has awarded Caterpillar, along with Caterpillar's joint venture partners, almost $19 million for two separate multi-year...
Rockwell Wins Contract for Laser Protective Eyewear
Oct 6, 2000 — THOUSAND OAKS, Calif., Oct. 6 -- The Rockwell Science Center (RSC) was awarded a contract to produce thin-film coatings for laser protective eyewear by the US Department of Defense. The contract comes from funding the department received from the...
Instrument Characterizes Colloids
ALBUQUERQUE, N.M. -- ALBUQUERQUE, N.M. -- Researchers at Los Alamos National Laboratory have developed a system that characterizes the properties and behavior of colloids. Originally developed to analyze particulate pollution in the environment, especially radioactive...
Polish Your Image with Imaging
Oct 1, 2000 — Problem: Does anyone know of a method to measure "shiny"? Recommended equipment measures reflectivity, but this is not an accurate determination of shininess. The human eye can distinguish a shiny object from one that is visually less shiny, but the...
Sputtering Promises Lower Temperatures, High Speed
FRANKFURT, Germany — If you are truly excited by optical production equipment, the biannual Optatec trade shows are the place for you. Nestled among this year’s surface generators, planetary polishers and OEM optical components was a new sputtering system from...
II-VI Obtains Contract for IR Solid State Gain Media Development
Sep 13, 2000 — PITTSBURGH, Sept. 13 -- II-VI Inc. has received a $4.7 million 13-month contract from the Space and Naval Warfare Systems Center. The contract requires that II-VI's VLOC subsidiary develops technology suitable for large diameter Nd:YAG laser...
Microchip Laser Aims at Argon-Ions
ORLANDO, Fla. -- ORLANDO, Fla. -- A microchip laser developed as a compact excitation source for Raman spectroscopy should have laser manufacturers green with envy. The 532-nm laser produces 8 mW, and it may evolve into a suitable replacement for solid-state and...
Corning to Boost LCD Glass Output
Aug 7, 2000 — CORNING, N.Y., Aug 7 -- In an effort to keep up with market demand for its precision flat glass, Corning Inc. will invest $250 million to increase production of its liquid crystal display glass, the company said. The LCDs are used for computers,...
1.8-W Diode to Pump Fiber Amplifiers
CANBERRA, Australia -- CANBERRA, Australia -- Researchers at Australian National University have created a high-power 980-nm diode laser specially designed to pump the erbium-doped fiber amplifiers crucial to high-bandwidth short-haul optical telecommunications networks....
Growth Expected for Materials Processing
Aug 1, 2000 — Optech Consulting of Bisingen, Germany, foresees continued double-digit growth in the global laser materials processing market. The company predicts that worldwide sales of laser processing machinery will reach $12.2 billion in 2010, compared with...
Lunar Glass Beads Offer Clues to Craters
BERKELEY, Calif. -- BERKELEY, Calif. -- Comets and asteroids have bombarded the moon and Earth over the last 3 billion years, leaving craters in their wake. But the frequency of these bombardments -- and whether periodic or episodic variations have occurred -- remains...
Strip Coating Makes the Grade
Aug 1, 2000 — A study of the reformulated Opticlean strip coating, distributed by Dantronix Research and Technologies of Platteville, Wis., suggests that the product removes fresh surface contaminants from silicon wafers without leaving a residue. Researchers...
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May 2024
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