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polarized News
Queen’s University Selects Linkam Stages
TADWORTH, England, Aug. 20, 2010 — For 10 years, Linkam Scientific Instruments has been used as temperature stage suppliers to Queen’s University in Canada to study the properties of ferroelectric liquid crystals. The research program, led by Professor Robert Lemieux and his Kingston, Ontario-based team, focuses on the rational design of chiral and achiral molecular components of ferroelectric liquid crystal mixtures based on principles of self-assembly and molecular recognition. To observe the texture changes at t...
Adding Fiber Pays Off for Industry
Jul 1, 2010 — For Electro Scientific Industries Inc. (ESI) of Portland, Ore., getting fiber into its diet has been one key to success. Among other things, the company makes a line of micromachining systems for the semiconductor, flat panel display, photovoltaic...
A handy way to detect life
BALTIMORE – The next time the soil of an alien world is examined for life, scientists may already have a good idea where to dig. Thanks to a new technique, they might be able to remotely detect life from the comfort of Earth, pinpointing promising locations for...
Laser Zap Brightens Bulbs
ROCHESTER, N.Y., June 1, 2009 -- Firing a beam from an ultrapowerful laser onto the filament of an incandescent bulb can double its brightness without increasing its energy consumption, optics researchers at the University of Rochester announced. The laser process creates a unique...
A Faster Single-Atom Detector
COLLEGE PARK, Md., May 19, 2009 -- A new single-atom detection system that uses two polarizations of light simultaneously through cavity mirrors is more than 99.7 percent accurate and can discern the arrival of a neutral atom in less than one-millionth of a second, about 20 times...
Laser Polarization Controlled
CAMBRIDGE, Mass., April 13, 2009 -- Lasers with controlled polarization were demonstrated for the first time through the integration of the polarizer on the laser facet, an innovation that could open new applications in photonics and communications. Harvard Univerity and Hamamatsu...
Revealing the hidden spectrum
SANTA BARBARA, Calif. – Much like fishermen wear polarized sunglasses to see past the reflective glare of the water’s surface to spot their sport, astronomers use polarized filters in telescopes to isolate the reflected light of accretion disks, or gas formations that...
Some Auroral Glow is Polarized
WASHINGTON, April 29, 2008 -- An international team of scientists has detected that some of the glow of Earth's aurora is polarized, an unexpected state for such emissions. Measurements of this newfound polarization in the northern lights may provide scientists with fresh...
'Optics on a Chip' Melds Photonic Circuitry, Silicon
CAMBRIDGE, Mass., Feb. 7, 2007 -- Using microphotonics, researchers have split the light from an optic fiber in an integrated, on-chip way, controlled the random polarization of the two beams and then reconnected them. The breakthrough in "optics on a chip" technology could lead to...
Mechanical Motion 'Spins' Atoms in a Gas
GAITHERSBURG, Md., Dec. 11, 2006 -- For the first time, scientists have used mechanical motion to make atoms in a gas "spin." The technique eventually might be used in high-performance magnetic sensors, to enable power-efficient chip-scale atomic devices such as clocks, or serve as...
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....
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April 2024
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