News tagged with optical devices
Absorbing Hydrogen Fluoride Gas to Enhance Crystal Growth
(PhysOrg.com) -- Two scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a method to control the buildup of hydrogen fluoride gas during the growth of precision crystals ...
Dec 10, 2009 |
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Small optical force can budge nanoscale objects
(PhysOrg.com) -- Engineering researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometers.
Nov 17, 2009 |
4.9 / 5 (16) |
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Invisibility visualized: German team unveils new software for rendering cloaked objects
(PhysOrg.com) -- Scientists and curiosity seekers who want to know what a partially or completely cloaked object would look like in real life can now get their wish -- virtually. A team of researchers at the ...
Nov 13, 2009 |
4 / 5 (5) |
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Compressing photonic signals for greater bandwidth
Cornell researchers have developed an ingenious method to time-compress optical signals. The process could enable optical communication systems to carry many more bits per second or could also be used to generate ...
Nov 03, 2009 |
4.4 / 5 (8) |
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Going plasmonic in search of faster computing, communications
(PhysOrg.com) -- A team of European researchers has demonstrated some of the first commercially viable plasmonic devices, paving the way for a new era of high-speed communications and computing in which electronic ...
Oct 16, 2009 |
4.7 / 5 (11) |
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Atomtronic transistor and diode could advance quantum computing
(PhysOrg.com) -- What if atoms could be used to perform the functions currently the province of electronic devices? The goal of atomtronics is to do just that by creating analogues to the common items found in electronic ...
Oct 09, 2009 |
4.6 / 5 (25) |
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Solar Cell Researcher Explores Nanotech Ideas
(PhysOrg.com) -- A UT Dallas researcher envisions a time soon when plastic sheets of solar cells are inexpensively stamped out in factories and then affixed to cell phones, laptops and other power-hungry mobile ...
Nanotechnology / Nanomaterials
Oct 05, 2009 |
5 / 5 (5) |
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Discovery brings new type of fast computers closer to reality
Physicists at UC San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely ...
Sep 27, 2009 |
4.5 / 5 (35) |
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New research may lead to revolutionary new devices
Dr. Jiwoong Park of Cornell University, who receives funding for basic research from the Air Force Office of Scientific Research (AFOSR), is investigating carbon nanostructures that may some day be used in ...
Nanotechnology / Nanomaterials
Sep 25, 2009 |
4.4 / 5 (8) |
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Breaking barriers with nanoscale lasers
(PhysOrg.com) -- We could soon see the potential of laser technology expand dramatically.
Jul 28, 2009 |
4.2 / 5 (5) |
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Capturing images in non-traditional way may benefit AF
New research in imaging may lead to advancements for the Air Force in data encryption and wide-area photography with high resolution.
Jul 14, 2009 |
4.3 / 5 (3) |
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Transform a ball into a rock -- or make it invisible -- using transformation optics
(PhysOrg.com) -- Science fiction and fantasy tales are full of the ability to "cloak" characters with invisibility. Whether it is a spaceship with a cloaking device, or a young wizard with an invisibility ...
Jul 09, 2009 |
3.2 / 5 (13) |
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The art of invisibility and the perfect cat's eye
(PhysOrg.com) -- In recent years scientists have explored the impossible by developing invisibility or 'cloaking' devices, but can the same technology also help make things more visible?
Jun 30, 2009 |
4.2 / 5 (10) |
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Bilayer graphene gets a bandgap
Graphene is the two-dimensional crystalline form of carbon, whose extraordinary electron mobility and other unique features hold great promise for nanoscale electronics and photonics. But there's a catch: ...
Jun 10, 2009 |
4.7 / 5 (6) |
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A 'cloaking device' -- it's all done with mirrors
(PhysOrg.com) -- Somewhat the way Harry Potter can cover himself with a cloak and become invisible, Cornell researchers have developed a device that can make it seem that a bump in a carpet -- or, indeed, ...
May 13, 2009 |
3.8 / 5 (16) |
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