News tagged with optical antennas
Can a single molecule behave as a mirror?
Nov 18, 2008 |
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(PhysOrg.com) -- “We have shown for the first time, theoretically, that a single molecule can behave as a perfect mirror,” Mario Agio tells PhysOrg.com. “Imagine that your mirror at home becomes a single molecule and that y ...
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Measuring the next successful antennas for in-body health monitoring devices
Sep 08, 2009 |
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Antennas for the latest implanted medical devices are being developed by Queen Mary University of London and tested through a unique piece of kit at the UK's National Physical Laboratory (NPL).
Bridging the gap in nanoantennas
Apr 20, 2009 |
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In a recent publication in Nature Photonics, a joint team of researchers at CIC nanoGUNE, Donostia International Physics Center DIPC, Centro de Física de Materiales of CSIC/UPV-EHU in San Sebastian (Spain ...
Smallest nanoantennas for high-speed data networks
Oct 20, 2009 |
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More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are ...
Shape shifters: Researchers create new breed of antennas
Dec 01, 2009 |
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(PhysOrg.com) -- Antennas aren't just for listening to the radio anymore. They're used in everything from cell phones to GPS devices. Research from North Carolina State University is revolutionizing the field ...
Major milestone: First two ALMA telescope antennas linked
May 06, 2009 |
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On 30 April, the team observed the first "interferometric fringes" of an astronomical source by linking two 12-metre diameter ALMA antennas, together with the other critical parts of the system. Mars was chosen ...
Harvard University engineers demonstrate laser nanoantenna
Sep 06, 2006 |
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Engineers and applied scientists from Harvard University have demonstrated a new photonic device with a wide range of potential commercial applications, including dramatically higher capacity for optical data storage. Termed ...
NIST antenna calibrations extended to 60-110 GHz
May 25, 2007 |
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The National Institute of Standards and Technology (NIST) has developed a new "tabletop" sized facility to improve characterization of antennas operating in the 60 to 110 gigahertz (GHz) frequency range. This extended frequency ...
The antenna bride and bridegroom
Space & Earth / Space Exploration
Mar 07, 2007 |
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The Atacama Large Millimeter/submillimeter Array (ALMA), an international telescope project, reached a major milestone on 2 March, when two 12-m ALMA prototype antennas were first linked together as an integrated system to ...
Astronomers seek to explore the cosmic Dark Ages
Oct 15, 2009 |
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No place seems safe from the prying eyes of inquisitive astronomers. They've traced the evolution of the universe back to the "Big Bang," the theoretical birth of the cosmos 13.7 billion years ago, but there's still a long ...
Making monster waves
Oct 19, 2009 |
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Rogue waves -- giant waves that spring up suddenly and tower over the seas around them—have inspired physicists to look for an analogue in light. These high-intensity pulses can cross large distances without ...
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