Nanooptics and Nanophotonics News

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Green Chemistry Can Help Achieve Sustainable Nanotechnology

The safest possible future for advancing nanotechnology in a sustainable world can be reached by using green chemistry, says James E. Hutchison, a professor of chemistry at the University of Oregon. "Around the w...

22 Feb 2007

New Simple Electrochemical Process for Direct Patterning of Metallic Interconnects

Creating high-resolution metallic interconnects is an essential part of the fabrication of microchips and other nanoscale devices. Researchers at the University of Illinois at Urbana-Champaign have developed a simple and...

22 Feb 2007

Nanoparticles Advance Light-Activated Cancer Therapy

Photodynamic therapy (PDT) is a powerful approach for destroying tumors, one that uses light and a light-sensitive chemical to rapidly kill cells. Unfortunately, PDT is associated with significant side effects that large...

22 Feb 2007

Nanotechnology Breakthroughs in Medicine Webcast

What if doctors in Kenya could equip cells of the retina with photoswitches that can be flipped on, essentially making blind nerve cells see and restoring light sensitivity in people with degenerative blindness? What if ...

21 Feb 2007

Scientists Use Quantum Dots and Nanoparticles to Improve Identification of Disease Biomarkers

Analyzing human blood for a very low virus concentration or a sample of water for a bioterrorism agent has always been a time-consuming and difficult process. Researchers at the Georgia Institute of Technology and Emory ...

19 Feb 2007

Quasiparticle Self-Consistent GW Theory

Gold is shiny, diamonds are transparent, and iron is magnetic. Why is that? The answer lies with a material's electronic structure, which determines its electrical, optical, and magnetic properties. Sandia relies...

19 Feb 2007

Effects of Disorder on Electron Spin Dynamics in a Semiconductor Quantum Well

Physicists at JILA are using ultrashort pulses of laser light to reveal precisely why some electrons, like ballet dancers, hold their spin positions better than others - work that may help improve spintronic devices, whi...

19 Feb 2007

Berkeley Create New High-Performance Mirror

Engineers at the University of California, Berkeley, have created a new high-performance mirror that could dramatically improve the design and efficiency of the next generation of devices relying upon laser optics, inclu...

19 Feb 2007

Advancing Nanotechnology in a Sustainable World Can be Reached by Using Green Chemistry

19 Feb 2007

Scientists Create Suspended Graphene Resonator

In the world of cutting-edge physics, discoveries are often made using intricate procedures and elaborate, expensive instruments. But a paper by Cornell graduate student Scott Bunch and colleagues shows how interesting r...

19 Feb 2007