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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Researchers from the National Institute of Standards and Technology (NIST) and California Institute of Technology (Caltech) have demonstrated a new design for an atomic clock that is based on a chip-scale frequency comb, ...
Optics & Photonics
Jul 22, 2014
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Techniques for controlling ultra-cold atoms travelling in ring traps currently represent an important research area in physics. A new study gives a proof of principle, confirmed by numerical simulations, of the applicability ...
General Physics
Jul 7, 2014
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Imaging and mapping of electric fields at radio frequencies (RF) currently requires the use of metallic structures such as dipoles, probes and reference antennas. To make such measurements efficiently, the size of these structures ...
General Physics
Jun 17, 2014
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At TU Vienna, a new method was developed to utilize quantum mechanical vibrations for high precision measurements. The well-known concept of the Ramsey interferometer is applied to a complex multi particle system consisting ...
Quantum Physics
Jun 4, 2014
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(Phys.org) —A chip-scale device that both produces and detects a specialized gas used in biomedical analysis and medical imaging has been built and demonstrated at the National Institute of Standards and Technology (NIST). ...
General Physics
May 21, 2014
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(Phys.org) —The physics behind some of nature's spectacular sights have been observed at very low temperatures - less than a thousandth of a degree away from absolute zero - by a collaboration of researchers from the University ...
Optics & Photonics
Mar 24, 2014
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Everyone knows that space is cold. In the vast gulf between stars and galaxies, the temperature of gaseous matter routinely drops to 3 Kelvin, or 454 degrees below zero Fahrenheit.
Astronomy
Feb 3, 2014
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Magnets have fascinated mankind for millenia. From the Greek philosophers to scientists of the modern era, which saw the rise of quantum mechanics, magnets have been pondered and investigated. Nowadays, they are not only ...
Quantum Physics
Nov 26, 2013
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(Phys.org) —Physicists at the National Institute of Standards and Technology (NIST) have demonstrated a compact atomic clock design that relies on cold rubidium atoms instead of the usual hot atoms, a switch that promises ...
General Physics
Nov 6, 2013
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