Search results for optical antennas:
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 ...
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 ...
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 ...
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 ...
Scientists Create Light-Bending Nanoparticles
Nanotechnology / Nanomaterials
Mar 03, 2009 |
4.5 / 5 (20) |
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(PhysOrg.com) -- Metallic nanoparticles and other structures can manipulate light in ways that are not possible with conventional optical materials. In a recent example of this, Rice University researchers ...
Negative Index Materials: From Theory to Reality
Jun 06, 2006 |
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Kent State University researchers are leading a team of scientists from eight institutions, who have been awarded a $5.5 million Multidisciplinary University Research Initiative (MURI) from the Air Force Office of Scientific ...
Broadband invisibility in the microwave range
Sep 11, 2009 |
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(PhysOrg.com) -- In the series Star Trek, Klingons and Romulans have spaceships outfitted with cloaking devices that hide their presence from sight, as well as from the sensors of their rivals' spaceships. Unlike current invisi ...
Tailoring the optical dipole force for use on molecules
Oct 29, 2009 |
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(PhysOrg.com) -- "Scientists have been working with dipole fields for quite some time," Peter Barker tells PhysOrg.com. "However, most of the work is focused on very small particles, like atoms, or on larger particles, such a ...
NIST shielding data help launch shuttle
Physics /
Sep 12, 2005 |
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As the National Aeronautics and Space Administration (NASA) plans for the next launch of the space shuttle, a critical aspect of the program's safety is being assured by 5 million pieces of data collected recently by the ...
