Defense Advanced Research Projects Agency (DARPA) has succeeded in creating hollow-core photonic-bandgap optical fiber, which allows light to travel along its length at around 99.7% the speed of light, or a 30% improvement over conventional (silica glass) optic fibers. In DARPA’s fiber, light travels through an air gap, allowing for networks that are faster, have more bandwidth, and traverse greater distances.
Read the rest of the story at Extreme Tech.
Also, read DARPA’s press release and visit DARPA’s webpage on the matter.
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