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plasmons News
The Teacher
Oct 1, 2009 — After earning a PhD at Caltech, Nader Engheta spent four years at Kaman Sciences Corp. before joining the faculty at the University of Pennsylvania in Philadelphia, where he is now the H. Nedwill Ramsey Professor of Electrical and Systems Engineering. He has won many awards for both research and teaching and is known for his concept of optical lumped nanocircuits. You spent some time in industry before becoming a professor. What was your industry experience like? It was a very valuable...
Tunable light source reaches nanoscale milestone
SOUTHAMPTON, UK – In the race to develop ever-smaller and -faster optical devices, researchers have built the first tunable nanoscale light source driven by free electrons. Dubbed the “light-well” by its creators, the novel emitter could one day be used as an on-chip...
Plasmons Power Patterning
BERKELEY, Calif., Oct. 23, 2008 -- A new lithography process that resembles a needle playing an album on a traditional LP turntable uses plasmonic lenses as "optical styluses" and could make microprocessors much smaller and more powerful and create disks that hold 10 to 100 times...
Waveguides Control T-rays
SALT LAKE CITY, Utah, April 15, 2008 -- Waveguides that can transmit, bend, split and combine terahertz radiation (also known as T-rays) represent a step toward building circuits for light-powered computers that operate 1000 times faster than today's gigahertz-based machines. The...
Getting the ‘Hole’ Picture Up Close
Jun 1, 2007 — Plasmons — local electron oscillations in metal films — hold great promise as the basis for sensors and optical switches. A challenge with such substrates has been pinpointing the location of the highest plasmonic signal -- knowledge of which could...
The Best Defense Is a Bright Diode Laser
Dec 1, 2005 — Throughout history, military applications have employed state-of-the-art technologies as conflicting parties hastened to stay one step ahead of each another. Photonics technology is no exception. As early as 212 B.C., optics were used as a weapon...
Purdue's 'Metamaterial' Could Lead to Better Optics, Communications
Nov 30, 2005 — WEST LAFAYETTE, Ind., Nov. 30 -- Engineers at Purdue University are the first researchers to create a material that has a negative index of refraction in the wavelength of light used for telecommunications, which they say is a breakthrough that...
Purdue's 'Metamaterial' Could Lead to Better Optics, Communications
Nov 30, 2005 — WEST LAFAYETTE, Ind., Nov. 30 -- Engineers at Purdue University are the first researchers to create a material that has a negative index of refraction in the wavelength of light used for telecommunications, which they say is a breakthrough that...
Plasmon Behavior Analogous to Electron Dynamics
Oct 1, 2005 — Scientists at Rice University in Houston, Trinity University in San Antonio and Chalmers University of Technology in Göteborg, Sweden, have discovered that plasmons in a metallic nanoparticle interact with surface plasmons in a nearby metallic film...
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June 2024
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