News tagged with laser pointer

Nanoscale nonlinear light source created

Not long after the development of the first laser in 1960 scientists discovered that shining a beam through certain crystals produced light of a different color; more specifically, it produced light of exactly ...

Sep 22, 2011
5 / 5 (7) 4 | with audio podcast

Tying light in knots

(PhysOrg.com) -- The remarkable feat of tying light in knots has been achieved by a team of physicists working at the universities of Bristol, Glasgow and Southampton, UK, reports a paper in Nature Physics this w ...

Jan 17, 2010
4.8 / 5 (39) 4 | with audio podcast

Diamond makes laser beams more brilliant

(Phys.org) —For the first time, researchers have shown that diamond can radically improve the quality of high power laser beams, according to new photonics research published overnight in Laser & Photonics ...

May 05, 2014
4 / 5 (24) 1

Manipulating light at will

Electrical engineers at Duke University have developed a material that allows them to manipulate light in much the same way that electronics manipulate flowing electrons.

Aug 01, 2011
4.8 / 5 (6) 1 | with audio podcast

Lasers ID deadly skin cancer better than doctors

High-resolution images from a laser-based tool developed at Duke University could help doctors better diagnose melanoma, the deadliest form of skin cancer, while potentially saving thousands of lives and millions of dollars ...

Feb 23, 2011
3.7 / 5 (3) 0 | with audio podcast