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Test & Measurement News
Minilaser Is Tunable, Single-Frequency Source at 1.5 µm
Oct 1, 2003 — A widely tunable, single-frequency laser operating in the 1.5-µm spectral region has application not only in testing and qualifying C-band telecom components, but also in Doppler-shifted velocity measurements and in spectroscopic studies. A group of...
Navy Uses Laser Atlanta Proximity Measurement Systems
Aug 28, 2003 — ATLANTA, August 28 -- The US Navy is using laser proximity measurement systems developed by Laser Atlanta for maintaining a safe distance between ships during underway replenishment (UNREP). UNREP is a broad term applied to all methods of...
Robotic Vision Systems Sells Lead Scanners
May 23, 2003 — NASHUA, N.H., May 23 -- Robotic Vision Systems Inc. (RVSI) said it has received a multi-unit order for its LS-7700 lead scanning systems from one of the semiconductor industry's largest contract test, assembly and packaging organizations. It cited...
RGB Interferometer Measures Diffractive Optical Elements
Apr 1, 2003 — While white-light interferometry may be a standard tool for measurement of discontinuous profiles, it requires significant data collection and evaluation. Researchers at the University of Erlangen-Nuremberg in Germany offer a solution involving...
UK University Wins Grant for Optoelectronics Research
Mar 1, 2003 — The Engineering and Physical Science Research Council of the United Kingdom has awarded a four-year, $600,000 grant to the Opto-electronics Group of the University of Wales, Bangor, to support its continued research in nanoscale and nonlinear...
Measurement Offers Insight into Diodes
Apr 1, 2002 — Unamplified spontaneous emission and gain spectra offer insight into the behavior of semiconductor laser materials and structures. But the analytical methods that use them require complex materials processing to enable the measurements in different...
'Guide Star' Enables Sodium Measurements
Dec 1, 2001 — Researchers at Imperial College in London are employing adaptive optics technology to measure sodium in the atmosphere with the 1-m Kapteyn Telescope at La Palma Observatory in the Canary Islands. The continuous-wave output of a 275-mW,...
Laser Spectroscopy Refines Antiparticle Measurement
Dec 1, 2001 — The existence of the antiproton was predicted in 1930 and confirmed experimentally in 1955. These particles, however, can be produced only in high-energy accelerators, and their short lifetime prevents a detailed examination. By studying how...
Adept Technology Receives Repeat Order from Solid State Measurements for Integrated Platforms
Jun 26, 2001 — SAN JOSE, Calif., June 26 -- Adept Technology Inc., a manufacturer of flexible automation for the semiconductor, wireless communications and fiber optic industries, announced it has received a repeat order from Solid State Measurements Inc. (SSM), a...
Camera Smooths Flatness Measurements
Dec 1, 2000 — Flatness is an important geometric tolerance for many engineering designs. For years, automotive designers have specified flatness per inch for manufactured parts, but few techniques could provide adequate measurements in that format. A flatness...
Corning to Achieve New Laser Bandwidth Measurements
Aug 16, 2000 — CORNING, N.Y., Aug. 16 -- Corning Inc. has announced that it will specify laser bandwidth on its InfiniCor 300 and InfiniCor CL 1000 multimode fibers using the Restricted Mode Launch (RML) bandwidth measurement specification. RML bandwidth measures...
Bio-Rad Sells Semiconductor Measurements Unit to Accent
Jul 5, 2000 — HERCULES, Calif., July 5 -- Bio-Rad Laboratories Inc. is selling its semiconductor and optoelectronic metrology business to Accent Semiconductor Technologies Inc. Bio-Rad Laboratories' metrology business operates in eight countries with more than...
Tektronix's Measurement Business Tops $1 Billion
Jun 23, 2000 — BEAVERTON, Ore., June 23 -- Tektronix Inc. has announced sales of over $1 billion for fiscal year 2000 for its measurement business. This represents a 20 percent growth over net sales of $879.5 million for the same 1999 period, generating...
Display Measurement: Measure What You See
May 1, 2000 — Significant advances in display technology have been made in recent years, creating new market opportunities and applications. Liquid crystal and thin-film transistor displays are commonly integrated into motor vehicles and aircraft cockpits. They...
Near-IR Diodes Help Make Gas-Trace Measurement Faster
MUNICH, Germany -- MUNICH, Germany -- In our everyday lives, we all are exposed to "BTX" -- air pollutants that are found at gas stations, at workplaces or on roads. BTX stands for benzene, toluene and xylene, three organic substances that are suspected carcinogens....
IFR to Sell Test & Measurement Division
Jul 2, 1999 — WICHITA, Kan., July 2 -- IFR Systems Inc. has agreed to sell its Optical Test & Measurement Division to GN Nettest, a member of the GN Great Nordic Group of Copenhagen, Denmark, for approximately $43 million in cash. IFR president and COO Iain...
NASA Builds Chlorophyll Measurement System
Aug 1, 1998 — 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 is a test bed for both an optical system, designed...
Computer Disks Require Precision Measurements
Aug 1, 1997 — 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 success, and photonics is a major factor in quality...
Objective Measurements Improve Imaging Optics
Dec 1, 1996 — Determining optical quality is no easy task because of the trade-offs in specifying imaging optics. For a quantitative assessment of optics, engineers turn to modulation transfer function measurements, which measure the frequency response of an...
Standards Institute Solicits Applicants for Precision Measurement Grants
Nov 1, 1996 — The National Institute of Standards and Technology is accepting project proposals for its Precision Measurement Grants for Fiscal Year 1998. The institute awards the grants to faculty members at US universities for work in the field of precision...
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April 2024
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