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(38,311 articles)
Popular News
Free-Space Communications Program Gets Funding
Nov 1, 2001 — The Defense Advanced Research Projects Agency has funded a program to develop multigigabit-per-second, secure, free-space communication links and aberration-free, 3-D imaging and targeting at ranges longer than 1000 km. According to the agency, the integration of MEMs spatial light modulators for improved wavefront control, along with photonics and high-speed electronics, will provide affordable systems for a variety of military and commercial applications. Phase I of the four-year Coherent...
Photonics Falls off Forbes Richest Americans List
Nov 1, 2001 — The biggest fortunes in photonics tumbled down the ladder of success this year, leaving just one fiber optics founder clinging to the bottom rung on the Forbes magazine "400 Richest in America" list. Forbes calculates its list based on stock...
Camera to Detect Extrasolar Planets
Nov 1, 2001 — Mauna Kea Infrared LLC has received a $4.18 million federal grant to build the near-IR coronagraphic imager for use with two 8-m Gemini telescopes. The instrument, which will be used to study the origin and development of extrasolar planetary...
Tunable Laser Countersuit Filed
Nov 1, 2001 — New Focus has filed counterclaims against Photonetics in the tunable laser patent litigation that began this summer. Photonetics sued New Focus in July, alleging that its tunable lasers infringe US Patent No. 5,594,744. In September, New Focus...
Court: Chip-Snipping Patents 'Impossible'
Nov 1, 2001 — US patents for laser memory repair are invalid, the US Court of Appeals for the Federal Circuit has ruled. In 1998, EMI Group North America Inc. sued Cypress Semiconductor Corp. alleging that Cypress' processes infringed US Patent Nos. 4,826,785...
CCD Makers Battle in Federal Court
Nov 1, 2001 — A 10-year-old lawsuit over a CCD manufacturing patent will go back before a judge after a federal appeals court said that the lower court had erred in ruling the patent invalid. The US Court of Appeals for the Federal Circuit said Loral Fairchild...
Transponder Makers Agree on 'Standard'
Nov 1, 2001 — Nine manufacturers have created a multisource agreement to standardize the form factor and electrical and functional characteristics of 40-Gb/s transponder modules for fiber optic communications. Agere Systems, Agilent Technologies, Alcatel...
'Good Morning, Starshine'
Nov 1, 2001 — After delays that included the threat of a Class-X solar flare, the Starshine 3 satellite was launched Sept. 29 from Kodiak, Alaska, atop a Lockheed Martin Athena 1 rocket. Resembling a 1-m-diameter disco ball, Starshine, which was built by the...
2002 Defense Grant Program Opens
Nov 1, 2001 — The US Department of Defense's Small Business Innovation Research program launched its first solicitation for the 2002 fiscal year last month. Potential applicants can view the research topics and present questions to the authors at...
Nobel Awarded for Condensates
Nov 1, 2001 — The Royal Swedish Academy of Sciences in Stockholm has awarded the 2001 Nobel Prize in physics to Eric A. Cornell, Carl E. Wieman and Wolfgang Ketterle for their creation of Bose-Einstein condensates. The researchers will share the $943,000 prize,...
Lasers Map Attack Sites
Nov 1, 2001 — Researchers have brought photonics technology to bear on the sites of the Sept. 11 terrorist attacks in New York and Washington. A team at the University of Florida in Gainesville is imaging the buildings surrounding the World Trade Center in New...
Lawrence Livermore Develops 13-kW Solid-State Laser
Nov 1, 2001 — Researchers at Lawrence Livermore National Laboratory in Livermore, Calif., have delivered a prototype solid-state heat-capacity laser to the US Army's High Energy Laser System Test Facility in White Sands, N.M., for testing. The goal of the project...
LEDs Learn from Solar Cells
Nov 1, 2001 — A silicon LED with a conversion efficiency 100 times better than current devices promises to enable the integration of LEDs with microchips. The development could eliminate the need for wires for intra- and interchip communication and the electronic...
Electrons Receive an Optical Kick
Nov 1, 2001 — Precisely timed bursts of light may help to explain the basics of chemistry. A research team at the University of California in Los Angeles has demonstrated that femtosecond laser pulses can temporarily, and in a controlled way, free electrons....
Hizbollah Cameras Watch Israel
Nov 1, 2001 — Lebanon's Daily Star reported that Hizbollah has deployed dozens of surveillance cameras along the Israeli border following the Sept. 11 attacks on the World Trade Center in New York and on the Pentagon in Washington. The cameras, similar to systems...
Oscillators Going Optical
Nov 1, 2001 — OEwaves Inc. of Pasadena, Calif., has developed a high-frequency oscillator that the company hopes will replace the quartz ones found in communications devices. It plans to produce optoelectronic oscillators for optical network transmitters by...
FEL Generates Second Harmonic
Nov 1, 2001 — Researchers at the Thomas Jefferson National Accelerator Facility in Newport News, Va., have demonstrated second-harmonic lasing in the infrared with a superconducting free-electron laser (FEL). In a report that appeared in the Aug. 20 issue of...
NASA Produces Fresnel Mold
Nov 1, 2001 — The Space Optics Manufacturing and Technology Center at NASA's Marshall Space Flight Center in Huntsville, Ala., has completed a master mold for the production of Fresnel lenses, using its unique diamond-turning equipment. The lenses will be...
Fiber Network Enables Telesurgery
Nov 1, 2001 — Surgeons using robotic systems at Mount Sinai Medical Center in New York have performed a laparoscopic gallbladder operation on a patient 4000 miles away in Strasbourg, France. Reporting in the Sept. 27 issue of Nature, the medical team, which also...
Colorimetry Detects Beryllium
Nov 1, 2001 — Beryllium, three times lighter than aluminum and six times stronger than steel, is an attractive choice for many applications, including as a mirror substrate. But the inhalation of beryllium powder can cause a potentially fatal disorder of the...
Interfering Lasers Deliver Atoms
Nov 1, 2001 — The promise of nanotechnology is leading researchers to search for control over smaller and smaller amounts of matter. But the ideal, the manipulation of individual atoms, has been problematic, particularly when they must be delivered in a...
CARS Moving Beyond the Lab
Nov 1, 2001 — New research promises to take a technique that combines Raman spectroscopy and multiphoton three-dimensional microscopy beyond the research lab. Pioneered by Sunney Xie's group at Pacific Northwest National Laboratory in Richland, Wash., in 1999,...
100-km Negative-Dispersion Fiber Carries 10 Gb/s
Nov 1, 2001 — To satisfy consumer demand for higher bandwidth in metropolitan-area networks, wavelength division multiplexing (WDM) systems must include economical, application-optimized components. Researchers have reported a new fiber with negative dispersion...
Brittle Star Features Calcite Lenses
Nov 1, 2001 — It has five arms and thousands of eyes, wears an armored plate and has been around for 500 million years. No, it's not a monster from a 1950s grade-Z sci-fi movie, but the brittle star Ophiocoma wendtii. And it may lead researchers to develop new...
Spectra for Quasars Pinpoint the Birth of Light
Nov 1, 2001 — Using the spectra from distant quasars taken by a 10-m telescope at W.M. Keck Observatory atop Mauna Kea, Hawaii, two teams of astronomers have suggested that the so-called cosmic Dark Ages came to an end approximately 900 million years after the...
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August 2024
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