For your eyes only Stephanie Gordon discovers that financial bodies are evaluating the usefulness of retinal scanning for security authentication in automated teller machines. Germanium storms substrate market With the availability of GaAs substrates shrinking, researchers are looking for an alternative for growing optoelectronic devices. Johan van der Linden reports. Looking good on paper Using paper as a substrate for optical structures could provide us with disposable optics and flexible displays. Rob van den Berg reports.
Deformable mirrors flex their potential Adaptive optics are expensive.
However, as Michael Hatcher reports, one European project is intent on bringing their capabilities to many applications. In the fast developing field of displays, microdisplays have taken significant shares in specialist applications and the trend is continuing. Phillip Hill reports. All rights reserved.