In a major breakthrough, scientists control light propagation in photonic chips
Researchers at Columbia Engineering School have built optical nanostructures that enable them to engineer the index of refraction and fully control light dispersion. They have shown that it is possible for light (electromagnetic ...
Fermi Telescope Peers Deep into Microquasar (w/ Video)
(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...
Synergistic effect discovered in layered quantum dot solar cells
Engineers' new metamaterial doubles up on invisibility (w/ Video)
(Phys.org) —The new material's artificial "atoms" are designed to work with a broad range of light frequencies. With adjustments, the researchers believe it could lead to perfect microscope lenses or invisibility ...
One step to solar-cell efficiency: Researchers' chemical process may improve manufacturing
Rice University scientists have created a one-step process for producing highly efficient materials that let the maximum amount of sunlight reach a solar cell.
Single molecule performs multiple logic operations simultaneously
Exotic metamaterials will change optics
Duke University engineers believe that continued advances in creating ever-more exotic and sophisticated man-made materials will greatly improve their ability to control light at will.
Researchers' smartphone 'microscope' can detect a single virus, nanoparticles
(Phys.org) —Your smartphone now can see what the naked eye cannot: A single virus and bits of material less than one-thousandth of the width of a human hair.
From lectures to explosives detection: Laser pointer identifies dangerous chemicals in real-time
By using an ordinary green laser pointer, the kind commonly found in offices and college lecture halls, an Israeli research team has developed a new and highly portable Raman spectrometer that can detect ...
New laser shows what substances are made of, could be new eyes for military (w/ video)
A new laser that can show what objects are made of could help military aircraft identify hidden dangers such as weapons arsenals far below.
Researchers steer light in new directions
A team of researchers led by San Francisco State University's Weining Man is the first to build and demonstrate the ability of two-dimensional disordered photonic band gap material, designed to be a platform ...
New technique that scrambles light may lead to sharper images, wider views
When photographers zoom in on an object to see it better, they lose the wide-angle perspective -- they are forced to trade off "big picture" context for detail. But now an imaging method developed by Princeton ...
Researchers glimpse the inside of a photonic crystal
'Super-resolution' microscope possible for nanostructures
(Phys.org) —Researchers have found a way to see synthetic nanostructures and molecules using a new type of super-resolution optical microscopy that does not require fluorescent dyes, representing a practical ...