News tagged with optical sensors
Biochip-based device for cell analysis
(Phys.org) -- Inexpensive, portable devices that can rapidly screen cells for leukemia or HIV may soon be possible thanks to a chip that can produce three-dimensional focusing of a stream of cells, according ...
Chemistry / Analytical Chemistry
May 30, 2012 |
5 / 5 (1) |
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Through a Sensor, Holographically
(PhysOrg.com) -- The power and resolution of lens-based optical microscopes have improved by orders of magnitude since their invention around 1595. Nevertheless, relying on a high-magnification lens for image ...
Apr 26, 2011 |
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Holodesk prototype puts life in computers (w/ video)
(PhysOrg.com) -- A research project at Microsoft Research Cambridge has brought forth a prototype called Holodesk, which lets you manipulate virtual objects with your hand. You literally "get your hands on" ...
Technology / Hi Tech & Innovation
Oct 20, 2011 |
4.7 / 5 (22) |
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New design for a metamaterial could be far more efficient at capturing sunlight than existing solar cells
Metamaterials are a new class of artificial substances with properties unlike anything found in the natural world. Some have been designed to act as invisibility cloaks; others as superlenses, antenna systems ...
Mar 09, 2012 |
4.9 / 5 (20) |
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Exotic material shows promise as flexible, transparent electrode
(PhysOrg.com) -- An international team of scientists with roots at SLAC and Stanford has shown that ultra-thin sheets of an exotic material remain transparent and highly conductive even after being deeply ...
Mar 08, 2012 |
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'Microring' device could aid in future optical technologies
(PhysOrg.com) -- Researchers at Purdue University and the National Institute of Standards and Technology (NIST) have created a device small enough to fit on a computer chip that converts continuous laser light ...
Oct 19, 2011 |
5 / 5 (2) |
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Breakthrough in ultra-sensitive sensor technology
Princeton researchers have invented an extremely sensitive sensor that opens up new ways to detect a wide range of substances, from tell-tale signs of cancer to hidden explosives.
Mar 21, 2011 |
4.3 / 5 (7) |
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Trapping a rainbow: Researchers slow broadband light waves with nanoplasmonic structures
A team of electrical engineers and chemists at Lehigh University have experimentally verified the "rainbow" trapping effect, demonstrating that plasmonic structures can slow down light waves over a broad range of wavelengths.
Mar 14, 2011 |
4.5 / 5 (2) |
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IceCube neutrino observatory nears completion
In December 2010, IceCube -- the world's first kilometer-scale neutrino observatory, which is located beneath the Antarctic ice -- will finally be completed after two decades of planning. In an article in ...
Aug 31, 2010 |
4.7 / 5 (18) |
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Optical Refrigeration: Researchers Achieve Milestone in Laser Cooling
(PhysOrg.com) -- Researchers at the University of New Mexico have established a new low in temperature cooling through laser cooling of solids to cryogenic temperatures. Under an AFOSR, MURI grant, a team ...
Jan 19, 2010 |
4.7 / 5 (9) |
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'Masters of light' win Nobel Physics Prize
Charles Kao, Willard Boyle and George Smith won the 2009 Nobel Physics Prize Tuesday for pioneering "masters of light" work on fibre optics and semiconductors, the Nobel jury said.
Oct 06, 2009 |
4.8 / 5 (10) |
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Neutrinos put cosmic ray theory on ice
(Phys.org) -- A telescope buried beneath the South Pole has failed to find any neutrinos accompanying exploding fireballs in space, undermining a leading theory of how cosmic rays are born.
Apr 20, 2012 |
4.5 / 5 (4) |
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Tailored optical material from DNA: Nano spiral staircases modify light
In the human body genetic information is encoded in double-stranded deoxyribonucleic acid building blocks, the so-called DNA. Using artificial DNA molecules, an international team of scientists headed by the ...
Nanotechnology / Nanomaterials
Mar 14, 2012 |
4.5 / 5 (2) |
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Computing with a wave of the hand (w/ Video)
(PhysOrg.com) -- The iPhone’s familiar touch screen display uses capacitive sensing, where the proximity of a finger disrupts the electrical connection between sensors in the screen. A competing approach, ...
Technology / Hi Tech & Innovation
Dec 11, 2009 |
4.9 / 5 (14) |
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NRL RAIDS experiment advances ionospheric remote sensing
Naval Research Laboratory scientists have obtained a first-ever measured altitude profile of a dim extreme-ultraviolet terrestrial airglow emission that provides vital information needed to test and improve ...
Space & Earth / Earth Sciences
May 18, 2012 |
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