Daily non-political popular news in brief.
Inexpensive 'adaptive optics' achieved by Sandia's optical clamp
07-02-2007 · EurekAlert!Sandia National Laboratories has received a US patent for a new tool that efficiently but inexpensively uses a single mirror to achieve some of the same effects as adaptive optics, where individually angled mirrors correct distortions in laser beams.
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Keywords: inexpensive, adaptive, optics, achieved, sandia, optical, clamp, optic
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- New wide-angle lens produces pictures without distortion
11-30-2006 · EurekAlert!
South Korean researchers have designed and built an inexpensive optical lens that collects light from a large area and produces a virtually distortion-free wide-angle image. Standing in contrast to commonly known "fisheye" lenses, which produce significant amounts of visual distortion, low-distortion wide-angle lenses can potentially improve image-based applications such as security-camera systems and robot navigation. The research appears in the December 1 issue of Applied Optics, a publication of the Optical Society of America.
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- New Adaptive Optics technique demonstrated
03-30-2007 · EurekAlert!
On the evening of 25 March 2007, the Multi-Conjugate Adaptive Optics Demonstrator (MAD) achieved First Light at the Visitor Focus of Melipal, the third Unit Telescope of the Very Large Telescope (VLT). MAD allowed the scientists to obtain images corrected for the blurring effect of atmospheric turbulence over the full 2x2 arcminute field of view. This world premiere shows the promises of a crucial technology for Extremely Large Telescopes.
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- Adaptive optics leads the way to supermassive black holes
05-17-2007 · EurekAlert!
Astronomers have discovered the exact location and makeup of a pair of supermassive black holes at the center of a collision of two galaxies more than 300 million light years away.
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- Adaptive optics pinpoints 2 supermassive black holes in colliding galaxies
05-17-2007 · EurekAlert!
Astronomers have used powerful adaptive optics technology at the W. M. Keck Observatory in Hawaii to reveal the precise locations and environments of a pair of supermassive black holes at the center of an ongoing collision between two galaxies 300 million light-years away.
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- Atomic clock signals may be best shared by fiber-optics
03-02-2007 · EurekAlert!
Time and frequency information can be transferred between laboratories or to other users in several ways, often using the Global Positioning System (GPS), but today's best atomic clocks are so accurate that more stable methods are needed. The best solution may be to use lasers to transfer data over fiber-optic cables, according to scientists at JILA.
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- New technology enables astronomers to detect two supermassive black holes in colliding galaxies
05-17-2007 · EurekAlert!
Astronomers, including UCR’s Gabriela Canalizo, have used powerful adaptive optics technology at the W.M. Keck Observatory in Hawai‘i to reveal the precise locations and environments of a pair of supermassive black holes at the center of an ongoing collision between two galaxies 300 million light-years away. Each of the black holes resides at the center of a rotating disk of stars and is surrounded by a cloud of young star clusters formed in the merger.
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- Fiber-based light source promises improvements in food inspection
03-15-2007 · EurekAlert!
A new light source based on fiber-optic technology promises to improve the inspection of food, produce, paper, currency, recyclables and other products. New research revealing this technology will be presented at the Optical Fiber Communication Conference and Exposition/National Fiber Optic Engineers Conference (OFC/NFOEC), being held March 25-29 in Anaheim, Calif.
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- Free from the atmosphere
06-13-2007 · EurekAlert!
An artificial, laser-fed star now shines regularly over the sky of ESO's VLT. This system provides assistance for the adaptive optics instruments on the VLT and so allows astronomers to obtain images free from the blurring effect of the atmosphere, regardless of the brightness and the location on the sky of the observed target. The system has now delivered its first scientific results, which prove to be unique.
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- Ultra-dense optical storage -- On one photon
01-21-2007 · EurekAlert!
Researchers at the University of Rochester have made an optics breakthrough that allows them to encode an entire image's worth of data into a photon, slow the image down for storage, and then retrieve the image intact. While the initial test image consists of only a few hundred pixels, a tremendous amount of information can be stored with the new technique.
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- Feather-light touch all that's needed for Darwin's frictionless optics
04-12-2007 · European Space Agency (ESA)
ESA's Darwin mission will look for extrasolar planets and signs of life. The Agency's Technology Research Programme has sponsored the development of critical optical components whose frictionless mechanism can respond to the touch of a feather.
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