Optical Society of America

Silicon optical fiber made practical

Scientists at Clemson University for the first time have been able to make a practical optical fiber with a silicon core, according to a new paper published in the current issue of the Optical Society's open-access journal, ...

Oct 28, 2008
4.7 / 5 (18) 0

Engineering algae to make fuel instead of sugar

In pursuing cleaner energy there is such a thing as being too green. Unicellular microalgae, for instance, can be considered too green. In a paper in a special energy issue of Optics Express, the Optical Society's (OSA) ...

Dec 17, 2008
4.4 / 5 (19) 1

Spinning CDs to clean sewage water

Audio CDs, all the rage in the '90s, seem increasingly obsolete in a world of MP3 files and iPods, leaving many music lovers with the question of what to do with their extensive compact disk collections. ...

Sep 23, 2013
4.6 / 5 (17) 5 | with audio podcast

Best yet test of Lorentz invariance

The more crucial a physical law is, the more important it is to keep testing it. One of the most important laws formulated in the last century or so is Albert Einsteinэs principle of invariance, which says that there ...

Oct 25, 2010
4.9 / 5 (15) 17 | with audio podcast

Laser Fusion and Exawatt Lasers

(PhysOrg.com) -- In the recent past, producing lasers with terawatt (a trillion watts) beams was impressive. Now petawatt (a thousand trillion watts, or 10^15 watts) lasers are the forefront of laser research. Some labs are ...

Oct 01, 2009
4 / 5 (17) 10