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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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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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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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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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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Light fantastic: Retinal implant brightens future for blind
German doctors on Wednesday announced a breakthrough in retinal implants, the fledgling technology that aims to restore sight in people cursed by a form of inherited blindness.
Medicine & Health / Medical research
Nov 03, 2010 |
5 / 5 (12) |
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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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An 'eye catching' vision discovery
Nearly all species have some ability to detect light. At least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers at the Johns Hopkins School of ...
Medicine & Health / Neuroscience
Jul 26, 2009 |
4.4 / 5 (11) |
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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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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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Researchers set alarm for incoming space storms
(PhysOrg.com) -- A team of researchers at the University of Alberta in Edmonton has broken new ground in outer space by pinpointing the impact epicentre of an Earthbound space storm as it crashes into the ...
Space & Earth / Space Exploration
May 27, 2009 |
4.4 / 5 (10) |
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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) |
2
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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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High-speed CMOS sensors provide better images
Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component ...
Jan 03, 2012 |
4.9 / 5 (8) |
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UK scientists develop optimum piezoelectric energy harvesters
Scientists working as part of the Metrology for Energy Harvesting Project have developed a new model to deliver the maximum power output for piezoelectric energy harvesters.
Mar 02, 2012 |
4.4 / 5 (7) |
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