Crossing the threshold for laser cooling
(Phys.org) —Gallium nitride has emerged as one of the most widely used materials in the optoelectronics industry and the most important semiconducting material after silicon.
(Phys.org) —Gallium nitride has emerged as one of the most widely used materials in the optoelectronics industry and the most important semiconducting material after silicon.
Optics & Photonics
Jan 29, 2014
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For the last two decades, it's been said that carbon nanotubes hold the promise to transform a range of fields, from alternative energy to drug delivery. But making that happen has proved difficult, according to Hicham Fenniri, ...
Nanomaterials
Sep 26, 2013
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University of Warwick scientists have shown how to tie knots in liquid crystals using a miniature Möbius strip made from silica particles.
General Physics
Aug 20, 2013
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Researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have discovered a unique new twist to the story of graphene, sheets of pure carbon just one atom thick, and in the ...
Nanomaterials
Aug 12, 2013
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Hold a magnifying glass over the driveway on a sunny day and it will focus sunlight into a single beam. Hold a prism in front of the window and the light will spread out into a perfect rainbow. Lenses like these have been ...
General Physics
Aug 12, 2013
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Yale professor Hui Cao hopes to replicate the brilliant colors of bird feathers in the laboratory, in this case using lasers.
Optics & Photonics
Aug 6, 2013
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Researchers from North Carolina State University have developed more accurate measurements of how efficiently a polymer called MEH-PPV amplifies light, which should advance efforts to develop a new generation of lasers and ...
General Physics
Jul 25, 2013
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Dinesh Basker applied to graduate schools around the world. He was accepted to three, but you might say he "saw the light" in choosing McMaster.
Optics & Photonics
Jul 23, 2013
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(Phys.org) —The use of graphene in telecommunications could dramatically accelerate internet speeds by up to a hundred times, according to new research by scientists in our Department of Physics.
Nanophysics
Jul 12, 2013
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(Phys.org) —A collaboration of biologists, engineers, and material scientists at Brown University has found that jagged edges of graphene can easily pierce cell membranes, allowing graphene to enter the cell and disrupt ...
Nanomaterials
Jul 10, 2013
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