News tagged with optical sensors
Researchers efficiently couple light from a plane wave into a surface plasmon mode
Researchers from the NIST Center for Nanoscale Science and Technology have made a grating coupler that transmits over 45 % of the incident optical energy from a plane wave into a single surface plasmon polariton (SPP) mode ...
Feb 02, 2012 |
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Scientists pioneer new concrete corrosion sensors
Scientists at Queen's University Belfast have made a major breakthrough in developing sensors which dramatically improve the ability to spot early warning signs of corrosion in concrete.
Jan 25, 2012 |
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Researchers produce ultra-short light pulses using on-chip microresonator
(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and Purdue University have designed and fabricated an on-chip microresonator that converts continuous laser light into ultra-short pulses ...
Jan 19, 2012 |
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Keeping our beaches safe: New wireless sensor device rapidly detects E. coli in water samples
Fecal contamination of public beaches caused by sewage overflow is both dangerous for swimmers and costly for state and local economies. Current methods to detect Escherichia coli, a bacterium highly indicative of the pr ...
Dec 08, 2011 |
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Butterfly wings inspire design of water-repellent surface
Researchers mimic the many-layered nanostructure of blue mountain swallowtail wings to make a silicon wafer that traps both air and light.
Nanotechnology / Nanomaterials
Nov 21, 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 |
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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 |
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Underwater gliders provide documentation of aggregate flux event during North Atlantic phytoplankton bloom
Using the latest in optical sensor technology, marine scientists from the University of Maine and the University of Washington have achieved unprecedented documentation of a critical phenomenon that occurs ...
Space & Earth / Earth Sciences
Sep 07, 2011 |
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European researchers driving road safety
Safety while driving is paramount, and Europeans are making efforts to ensure our well-being in vehicles - whether we are behind the steering wheel or in a passenger seat. The project partners have pushed ...
Aug 09, 2011 |
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Accident protection in the windshield
Driver-assistance systems help prevent accidents. Quite simply, the more a car knows about its surroundings, the more intelligently it can respond to them. Researchers have now developed an optical sensor ...
Jul 19, 2011 |
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Improving DNA sequencing: Sponge-like biosensor crams enormous power into tiny space
Vanderbilt University engineers have created a "spongy" silicon biosensor that shows promise not only for medical diagnostics, but also for the detection of dangerous toxins and other tiny molecules in the ...
May 26, 2011 |
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ONR propels cutting-edge technologies at Naval Helicopter Association Symposium
When officials from the Office of Naval Research (ONR) showed up at the 63rd annual Naval Helicopter Association (NHA) Symposium in San Diego from May 9-12, they displayed a technology that allows helicopter aircraft commanders ...
May 11, 2011 |
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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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ORNL rifle sighting system uses sensors to score bull's-eye
Military and police marksmen could see their rifle sights catch up with the 21st century with a fiber-optic laser-based sensor system that automatically corrects for even tiny barrel disruptions.
Apr 18, 2011 |
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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 |
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