News tagged with optical devices
Nowhere to hide: New device sees bacteria behind the eardrum
Doctors can now get a peek behind the eardrum to better diagnose and treat chronic ear infections, thanks to a new medical imaging device invented by University of Illinois researchers. The device could usher ...
May 29, 2012 |
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Physicists store short movies in an atomic vapor
The storage of light-encoded messages on film and compact disks and as holograms is ubiquitous---grocery scanners, Netflix disks, credit-card images are just a few examples. And now light signals can be stored ...
May 29, 2012 |
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'Metamaterials,' quantum dots show promise for new technologies
(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...
May 24, 2012 |
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Engineered materials: Custom-made magnets
A novel approach to designing artificial materials could enable magnetic devices with a wider range of properties than those now available. An international team of researchers have now extended the properties ...
May 24, 2012 |
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New 'metamaterial' practical for optical advances
(Phys.org) -- Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar ...
May 15, 2012 |
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Novel plasmonic material may merge photonic and electronic technologies
Helping bridge the gap between photonics and electronics, researchers from Purdue University have coaxed a thin film of titanium nitride into transporting plasmons, tiny electron excitations coupled to light ...
Mar 27, 2012 |
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An optical diode made with silicon technology can be used for quantum information
(PhysOrg.com) -- Transistors, resistors, capacitors, and diodes. All of these are examples of common electrical circuit elements that can be found on a computer motherboard, for instance. Billions of transistors ...
Mar 23, 2012 |
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Exotic metamaterials will change optics
Duke University engineers believe that continued advances in creating ever-more exotic and sophisticated man-made materials will greatly improve their ability to control light at will.
Mar 18, 2012 |
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Researchers develop graphene supercapacitor holding promise for portable electronics
(PhysOrg.com) -- Electrochemical capacitors (ECs), also known as supercapacitors or ultracapacitors, differ from regular capacitors that you would find in your TV or computer in that they store substantially ...
Mar 15, 2012 |
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Taking a closer look at molecular electronics
Molecules and polymers have unique electronic and optical properties suitable for use in electronic devices. These properties, however, are complex and not well understood. Charge transport, for example, is ...
Mar 09, 2012 |
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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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Team generates frequency comb with more than 100 terahertz bandwidth
Many of the communication tools of today rely on the function of light or, more specifically, on applying information to a light wave. Up until now, studies on electronic and optical devices with materials that are the foundations ...
Mar 07, 2012 |
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NTT researchers develop breakthrough optical memory device
(PhysOrg.com) -- To improve transmission speeds, the Internet has transitioned over the years from one using copper to fiber optic cabling. Unfortunately, this has caused a bottleneck to occur where the light ...
Feb 27, 2012 |
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Novel link between optical fibers, nanometer-scale silicon structures could aid development of integrated optical circui
Silicon is a unique material that has revolutionized electronics; it enables engineers to put millions of electrical devices onto a single chip. Replacing the electrical currents in this technology with beams ...
Feb 17, 2012 |
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Researchers combine mobile phone technology and microscopy
VTT Technical Research Centre of Finland has developed an optical accessory that turns an ordinary camera phone into a high-resolution microscope. The device is accurate to one hundredth of a millimetre. Among those who will ...
Feb 15, 2012 |
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