Conventional lenses, made of shaped glass, are limited in how precisely they can redirect beams of incoming light and make them meet at a point. Now, a team led by Zhengtong Liu at the A*STAR Institute of High Performance ...
Optics & Photonics
Aug 14, 2013
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Engineers at the California Institute of Technology (Caltech) have devised a method to convert a relatively inexpensive conventional microscope into a billion-pixel imaging system that significantly outperforms the best available ...
Optics & Photonics
Jul 29, 2013
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Imagine being able to download 10 high-definition movies (each of 4 GB capacity) in less than 1 second or be able to enjoy superior lag-free online gaming experience with multiple players from anywhere in the world. Researchers ...
Electronics & Semiconductors
May 30, 2013
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The union of theory and practice makes broadband, low-loss optical devices practical, which is why two groups of Penn State engineers collaborated to design optical metamaterials that have custom applications that are easily ...
Nanophysics
Mar 28, 2013
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Fujitsu Laboratories announced the development of a four-wavelength integrated silicon laser for optical transceivers that use silicon photonics, a step toward faster data communications between processors.
Engineering
Mar 21, 2013
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(Phys.org)—IBM announced today a major advance in the ability to use light instead of electrical signals to transmit information for future computing. The breakthrough technology – called "silicon nanophotonics" – allows ...
Optics & Photonics
Dec 10, 2012
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(Phys.org)—Over millions of years, biological organisms – from the chameleon and cuttlefish to the octopus and squid – have developed color-changing abilities for adaptive concealment (e.g., camouflage) and communication ...
Plants & Animals
Sep 26, 2012
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Gallium nitride (GaN) is a highly promising material for a wide range of optical and high-power electronic devices, which can be fabricated by dry etching with plasmas. However, the plasma-induced defects and surface residues ...
Condensed Matter
Jun 14, 2012
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(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 higher amounts ...
Nanophysics
Mar 15, 2012
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A new microspectrometer architecture that uses compact disc-shaped resonators could address the challenges of integrated lab-on-chip sensing systems that now require a large off-chip spectrometer to achieve high resolution.
Optics & Photonics
Jun 20, 2011
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