News tagged with light sensors
Cantilever bends repeatedly under light exposure for continuous energy generation
(PhysOrg.com) -- With the goal to enable small electronic devices to harvest their own energy, researchers have designed a device that can convert light and thermal energy into electricity. When exposed to ...
Oct 05, 2010 |
4.9 / 5 (20) |
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Using CNTs as infrared sensors
(PhysOrg.com) -- Semiconductors provide the bases for many different avenues of device research. Indeed, many of the technological devices that are commonplace in our society are reliant on semiconductors. However, as we ...
Jan 04, 2010 |
4.4 / 5 (15) |
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Will carbon nanotubes replace indium tin oxide?
(PhysOrg.com) -- Up until now, George Grüner tells PhysOrg.com, most of the studies regarding the properties - and uses - of carbon nanotubes have been restricted to the visible spectral range. “We, however, were interested in the ...
Nanotechnology / Nanomaterials
Mar 09, 2009 |
4.9 / 5 (9) |
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Research group creates highly sensitive photodetector from graphene and quantum dots
(Phys.org) -- Researchers in Spain have succeeded in building a photodetector that is a billion times more sensitive than other such detectors based on graphene and could herald the use of graphene based light ...
May 15, 2012 |
4.4 / 5 (7) |
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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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IROS gets earful on Google's self-driving cars (w/ video)
(PhysOrg.com) -- Lots of people now know about Google's self-driving car project. The latest stats find Google's fleet of robotic vehicles have done over 190,000 miles with only occasional human interventio ...
Oct 19, 2011 |
5 / 5 (9) |
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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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Plastic laser detects tiny amounts of explosives
(PhysOrg.com) -- Detecting hidden explosives is a difficult task but now researchers in the UK have developed a completely new way of detecting them, with a laser sensor capable of detecting molecules of explosives ...
Jun 08, 2010 |
5 / 5 (11) |
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Nanoshell structures: Self-assembly method yields materials with unique optical properties
Scientists from four U.S. universities have created a way to use Rice University's light-activated nanoshells as building blocks for 2-D and 3-D structures that could find use in chemical sensors, nanolasers ...
Nanotechnology / Nanomaterials
May 27, 2010 |
4.8 / 5 (9) |
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Millimeter-scale, energy-harvesting sensor system developed
(PhysOrg.com) -- A 9-cubic millimeter solar-powered sensor system developed at the University of Michigan is the smallest that can harvest energy from its surroundings to operate nearly perpetually.
Feb 08, 2010 |
4.9 / 5 (15) |
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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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Tiny whispering gallery: Sensor can detect a single nanoparticle and take its measurement
(PhysOrg.com) -- Nanotechnology has already made it to the shelves of your local pharmacy and grocery: nanoparticles are found in anti-odor socks, makeup, makeup remover, sunscreen, anti-graffiti paint, home ...
Dec 18, 2009 |
4.6 / 5 (17) |
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