Invisibility carpet cloak can hide objects from visible light
Researchers analyze performance of first updatable holographic 3D display
Creating optical cables out of thin air
Imagine being able to instantaneously run an optical cable or fiber to any point on earth, or even into space. That's what Howard Milchberg, professor of physics and electrical and computer engineering at ...
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 ...
Towards miniaturization of metamaterials: Reluctant electrons enable 'extraordinarily strong' negative refraction
Researchers at the Harvard School of Engineering and Applied Sciences have demonstrated a drastically new way of achieving negative refraction in a metamaterial. The advance, reported in the Aug. 2 issue of ...
Study resolves century-long debate over how to describe electromagnetic momentum density in matter
(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and the University of British Columbia have shown that the interaction between a light pulse and a light-absorbing object, including the ...
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 ...
New lens doubles the resolution of conventional microscopes
Scientists reverse Doppler Effect
(PhysOrg.com) -- Researchers from Swinburne University and the University of Shanghai for Science and Technology have for the first time ever demonstrated a reversal of the optical Doppler Effect ...
Newly developed cloak hides underwater objects from sonar
In one University of Illinois lab, invisibility is a matter of now you hear it, now you don't.
Physicists may have observed Hawking radiation for the first time
New findings promising for 'transformation optics,' cloaking
Researchers have overcome a fundamental obstacle in using new "metamaterials" for radical advances in optical technologies, including ultra-powerful microscopes and computers and a possible invisibility cloak.
Light twists rigid structures in unexpected nanotech finding
(PhysOrg.com) -- In findings that took the experimenters three years to believe, University of Michigan engineers and their collaborators have demonstrated that light itself can twist ribbons of nanoparticles.