News tagged with light 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 |
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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 |
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Scientists find how plants grow to escape shade
Mild mannered though they seem, plants are extremely competitive, especially when it comes to getting their fair share of sunlight. Whether a forest or a farm, where plants grow a battle wages for the sun's ...
Apr 15, 2012 |
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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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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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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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Researchers make better heat sensor based on butterfly wings
(PhysOrg.com) -- Scientists have long known that butterfly wings produce their iridescent colors by bouncing light around and between tiny ridges in structures made of chitin. More recently they’ve discovered ...
Feb 13, 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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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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Bright future for gaN nanowires
The gallium nitride nanowires grown by PML scientists may only be a few tenths of a micrometer in diameter, but they promise a very wide range of applications, from new light-emitting diodes and diode lasers ...
Nov 29, 2011 |
4.8 / 5 (4) |
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UV light controls antibodies, improves biosensors
From detecting pathogens in blood samples to the study of protein synthesis, Quartz Crystal Microbalance (QCM) sensors have many uses in modern biology. In this technique, antibodies anchored to gold electrodes ...
Oct 31, 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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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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City-wide sensor system could make cities run more smoothly
(PhysOrg.com) -- By installing millions of sensors throughout a city and hooking them up to an urban operating system, the Portuguese-based company Living PlanIT envisions that, in the future, cities could ...
Technology / Hi Tech & Innovation
Oct 04, 2011 |
3 / 5 (1) |
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