Femtosecond combs lock frequencies
Measuring time as precisely as possible is vital in basic research. Now an optical method can improve state-of-the-art techniques and is simple enough to market as a commercial instrument. Rob van den Berg reports.
Holograms herald era of virtual car design
Ford could soon be going one step beyond virtual reality to test its new designs. In a joint venture with DERA in the UK, it is replacing vehicle models with three-dimensional holographic displays. Michael Hatcher reports.
VCSELs edge out the edge emitters
VCSELs have become the darling of telecoms networkers. If promising R&D can be translated into products, VCSELs could push out the edge emitter from datacoms and become the key component in displays, says Roy Szweda.
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