Plasmons put laser light on the straight and narrow
Posted: Tue 12 Aug, 2008 4:41 am
A semiconductor laser that has been engineered to emit a narrow beam of light without the use of additional lenses could help to reduce the cost of optical systems.
here is the link :
http://optics.org/cws/article/research/35299
here is the link :
http://optics.org/cws/article/research/35299