News tagged with lens

Mini-projectors -- maximum performance

(PhysOrg.com) -- The number of mini-projector devotees keeps growing. The combination of a new kind of optical structure with high-performance LEDs enables completely new compact and brilliant lighting and ...

May 20, 2010
3.9 / 5 (7) 0

Caltech researchers create 'sound bullets'

Taking inspiration from a popular executive toy ("Newton's cradle"), researchers at the California Institute of Technology have built a device -- called a nonlinear acoustic lens -- that produces highly focused, high-amp ...

Apr 21, 2010
5 / 5 (4) 1

Next generation lens promises more control

(PhysOrg.com) -- Duke University engineers have created a new generation of lens that could greatly improve the capabilities of telecommunications or radar systems to provide a wide field of view and greater ...

Dec 20, 2009
4.8 / 5 (24) 1