Scatterings Breaking the femtosecond barrier, optical stretcher detects cancer, space laser will generate clean fuel, light-emitting diode implant restores vision Tyler Krupa Log in or become a member to view the full text of this article. This article may be available for purchase via the search at Optica Publishing Group. Optica Members get the full text of Optics & Photonics News, plus a variety of other member benefits. Publish Date: 01 January 2002 Add a Comment Please enable JavaScript to view the comments powered by Disqus.