By using the tip of a scanning tunneling microscope (STM), A*STAR researchers and their collaborators have generated electromagnetic waves known as surface plasmon polaritons in a gold grating and demonstrated that the direction ...
General Physics
Aug 26, 2015
0
8
Light waves trapped on a metal's surface, called surface plasmons, travel farther than expected, up to 250 microns from the source. While this distance is just one-hundredth of an inch, it is far enough to possibly be useful ...
Nanophysics
Aug 11, 2015
0
28
Chemists have found a new, more efficient method to perform light-driven reactions, opening up another possible pathway to harness sunlight for energy. The journal Science is publishing the new method, which is based on plasmon ...
Nanophysics
Aug 6, 2015
2
1216
Terahertz radiation, the no-man's land of the electromagnetic spectrum, has long stymied researchers. Optical technologies can finagle light in the shorter-wavelength visible and infrared range, while electromagnetic techniques ...
General Physics
Aug 4, 2015
3
127
Researchers from the Laboratory of Nanooptics and Plasmonics at the MIPT Center of Nanoscale Optoelectronics have developed a new method for optical communication on a chip, which will could decrease the size of optical and ...
Optics & Photonics
Aug 4, 2015
0
36
Over the course of the last half century, BPA has gone from miracle to menace. Its popularity soared after the 1950s, when scientists discovered that it could be used to make polycarbonate plastic—a hard, durable, and transparent ...
Nanomaterials
Jul 21, 2015
0
54
Gold nanoparticles promise potential improvements in cancer treatment, drug delivery, and gene therapy—with one, major problem.
Bio & Medicine
Jul 16, 2015
0
43
Many areas of fundamental research are interested in graphene owing to its exceptional characteristics. It is made of one layer of carbon atoms, which makes it light and sturdy, and it is an excellent thermal and electrical ...
Nanophysics
Jul 9, 2015
1
2944
When a duck paddles across a pond or a supersonic plane flies through the sky, it leaves a wake in its path. Wakes occur whenever something is traveling through a medium faster than the waves it creates—in the duck's case ...
Nanophysics
Jul 6, 2015
0
2873
Researchers at the Hanover Centre for Optical Technologies (HOT), University of Hanover, Germany, have developed a self-contained fiber optic sensor for smartphones with the potential for use in a wide variety of biomolecular ...
Optics & Photonics
Jul 1, 2015
2
1661
