News tagged with optical wavelength

Scientists Create Light-Bending Nanoparticles

(PhysOrg.com) -- Metallic nanoparticles and other structures can manipulate light in ways that are not possible with conventional optical materials. In a recent example of this, Rice University researchers ...

Mar 03, 2009 feature
4.3 / 5 (21) 2

Quantum dots as midinfrared emitters

(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...

Feb 23, 2009 feature
4.1 / 5 (10) 1

SLAC scientists create twisted light

(Phys.org) —Scientists at SLAC have found a new method to create coherent beams of twisted light – light that spirals around a central axis as it travels. It has the potential to generate twisted light ...

Sep 19, 2013
4.9 / 5 (21) 3 | with audio podcast

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 ...

Sep 16, 2013
4.6 / 5 (15) 0 | with audio podcast