(Phys.org) —Future fitness trackers could soon add blood-oxygen levels to the list of vital signs measured with new technology developed by engineers at the University of California, Berkeley.
Engineering
Dec 10, 2014
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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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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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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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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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They shed light on atomic and molecular processes: ultrashort laser pulses are required to study extremely fast quantum phenomena. For years, scientists have been trying to tune the shape of light waves so as to, for instance, ...
General Physics
May 21, 2014
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(Phys.org) —The flip of a light switch – a nano-scale light switch – may some day dramatically boost the speed of data transmission, from streaming movies to accelerating the most data-intense computation. Today, information ...
Nanophysics
Mar 6, 2014
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The idea to perform data processing with light, without relying on any electronic components, has been around for quite some time. In fact, necessary components such as optical transistors are available. However, up to now ...
Quantum Physics
Feb 19, 2014
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