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polarization News
Stepping out of the Shadows Using Polarized Light
Oct 1, 2006 — Researchers at the University of Pennsylvania in Philadelphia have demonstrated a machine vision technique that untangles multiple overlapping shadows within a scene, improving a camera’s ability to distinguish objects. It works by capturing polarization information instead of relying on the traditional parameters of intensity and hue. A street scene acquired using data based solely on light intensity (left) does not provide as much contrast as an image acquired using information based on...
Ward Davis to Distribute for Adaptif Photonics
Jul 25, 2006 — Adaptif Photonics GmbH, a Hamburg, Germany-based supplier of optical polarization analysis and control instrumentation, has appointed California-based manufacturers' representative Ward Davis Associates, a supplier of test and measurement equipment,...
Hyperentangled Photon Pairs Produced
Dec 1, 2005 — Investigators at the University of Illinois at Urbana-Champaign and at the University of Queensland in Brisbane, Australia, have used paired nonlinear crystals to prepare photon pairs that are entangled in all degrees of freedom: polarization,...
SunPower Announces Discovery
Aug 24, 2005 — SUNNYVALE, Calif., Aug. 24 -- Silicon solar cell and panel manufacturer SunPower Corp., a Silicon Valley-based subsidiary of Cypress Semiconductor Corp., announced the discovery of a new performance effect observed in high-efficiency silicon solar...
SunPower Announces Solar Cell Discovery
Aug 24, 2005 — SUNNYVALE, Calif., Aug. 24 -- Silicon solar cell and panel manufacturer SunPower Corp., a Silicon Valley-based subsidiary of Cypress Semiconductor Corp., announced the discovery of a new performance effect observed in high-efficiency silicon solar...
LASER SHUTTERS
Jul 1, 2005 — To facilitate laser shutter integration for OEMs and researchers, nmLaser Products Inc. has launched online applications tutorials and other resources for its high-irradiance laser shutters. An introductory tutorial discusses shutter basics, the...
Singularity Theory Yields Elegant Description of Polarized Sunlight
Jan 1, 2005 — Scientists have long been intrigued by the polarization of light in the daytime sky. In 1863, Sir David Brewster noted the similarity of the phenomenon with that produced by refracting crystals. Less than a decade later, Lord John W.S. Rayleigh...
With Polarization Studies, Astronomers Creep Closer to Black Holes
Jan 1, 2005 — By measuring the polarization of radiation from distant objects to an accuracy of better than 1/20 of a percent, astronomers have pushed their observations perhaps 100 times closer to the edge of a black hole than previously had been accomplished....
Scrambling to Reduce Polarization-Related Impairments
Apr 1, 2003 — Polarization is a fundamental property of light. In classical physics, light is modeled as a sinusoidal electromagnetic wave in which an oscillating electric field and an oscillating magnetic field propagate through space. Polarization is defined in...
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