To create X-rays—short wave radiation—scientists at TU Vienna start out with very long wavelengths—infrared laser. Long wavelength laser pulses rip atoms out of metal and accelerate them, which leads to emission of ...
Optics & Photonics
Nov 11, 2014
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Action-packed science-fiction movies often feature colourful laser bolts. But what would a real laser missile look like during flight, if we could only make it out? How would it illuminate its surroundings? The answers lie ...
Optics & Photonics
Oct 22, 2014
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The massive transfer of data over the Internet that is vital to today's economy in our information society would not be possible without the crucial role played by fibre optics communication. Every time a node of the Internet ...
Quantum Physics
Sep 25, 2014
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(Phys.org) —Although organic materials are often used as semiconductors, such as in organic LEDs and organic transistors, organic materials that have an electrical conductivity as high as that of metals are still very scarce. ...
Graphene, an ultrathin form of carbon with exceptional electrical, optical, and mechanical properties, has become a focus of research on a variety of potential uses. Now researchers at MIT have found a way to control how ...
Nanomaterials
Aug 1, 2014
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Data transmission over long distances usually utilizes optical techniques via glass fibres – this ensures high speed transmission combined with low power dissipation of the signal. For quite some years possibilities have ...
General Physics
Jul 29, 2014
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Rapid advances in techniques for the creation of ultra-short laser pulses promise to boost our knowledge of electron motions to an unprecedented level.
General Physics
Jul 24, 2014
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A study just published in Nature Communications and carried out by a collaboration of several Italian and international centres, including SISSA, used a technique based on applying short flashes of light to observe and analyse ...
Superconductivity
Jul 14, 2014
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German physicists recently devised a new method to pick single X-ray pulses out of the pulse trains usually emitted from synchrotron radiation facilities. The technique is very useful to support studies of electronic properties ...
General Physics
May 30, 2014
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Photovoltaic cells directly convert sun light into electricity and hence are key technological devices to meet one of the challenges that mankind has to face in this century: a sustainable and clean production of renewable ...
Nanomaterials
May 30, 2014
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