News articles tagged with 'optical' (Page 2)
Microscope could 'solve the cause of viruses'
— 2 Mar 2011 12:19 | HealthWriting in the journal Nature Communications, the team have created a microscope which shatters the record for the smallest object the eye can see, beating the diffraction limit of…
Development team achieves 1 terabit per second data rate on a single integrated photonic chip
— 1 Mar 2011 18:45 | TechnologyWith worldwide Internet data traffic increasing by 50 percent each year, telecommunications companies that handle this digital torrent must be able to economically expand the capacities…
Hospital use of virtual colonoscopy is on the rise, study suggests
— 1 Mar 2011 17:06 | HealthDespite the absence of Medicare coverage, hospital use of computed tomographic colonography (CTC), commonly referred to as virtual colonoscopy, is on the rise, according to a study…
New kind of optical fibre developed
— 26 Feb 2011 18:00 | TechnologyA team of scientists led by John Badding, a professor of chemistry at Penn State University, has developed the very first optical fibre made with a core of zinc selenide - a light-yellow…
A new high-resolution method for imaging below the skin using a liquid lens
— 20 Feb 2011 16:33 | HealthUniversity of Rochester optics professor Jannick Rolland has developed an optical technology that provides unprecedented images under the skin's surface. The aim of the technology is…
Scientists build world's first anti-laser
— 18 Feb 2011 17:56 | TechnologyMore than 50 years after the invention of the laser, scientists at Yale University have built the world's first anti-laser, in which incoming beams of light interfere with one another…
Engineers grow nanolasers on silicon, pave way for on-chip photonics
— 7 Feb 2011 15:13 | TechnologyEngineers at the University of California, Berkeley, have found a way to grow nanolasers directly onto a silicon surface, an achievement that could lead to a new class of faster, more…
Quantum quirk: JILA scientists pack atoms together to prevent collisions in atomic clock
— 4 Feb 2011 16:52 | TechnologyIn a paradox typical of the quantum world, JILA scientists have eliminated collisions between atoms in an atomic clock by packing the atoms closer together. The surprising discovery,…
New wave: JILA develops efficient source of terahertz radiation
— 21 Jan 2011 20:05 | TechnologyJILA researchers have developed a laser-based source of terahertz radiation that is unusually efficient and less prone to damage than similar systems. The technology might be useful…
Sharply focused on neurones, light controls a worm's behaviour
— 19 Jan 2011 16:47 | BiologyPhysicists and bioengineers have developed an optical instrument allowing them to control the behaviour of a worm just by shining a tightly focused beam of light at individual neurones…