Still Waters Posted December 16, 2020 #1 Share Posted December 16, 2020 Optics researchers from The University of Queensland and Nokia Bell Labs in the US have developed a new technique to demonstrate the time reversal of optical waves, which could transform the fields of advanced biomedical imaging and telecommunications. Time reversal of waves in physics doesn't mean traveling back to the future; it describes a special type of wave which can retrace a path backwards through an object, as if watching a movie of the traveling wave, played in reverse. UQ's Dr. Mickael Mounaix and Dr. Joel Carpenter, together with Dr. Nick Fontaine's team at Nokia Bell Labs, are the first to demonstrate this time reversal of optical waves, using a new device they developed that allows full 3-D control of light through an optical fiber. https://phys.org/news/2020-12-physicists-time-reversed-optical.html 3 Link to comment Share on other sites More sharing options...
zep73 Posted December 16, 2020 #2 Share Posted December 16, 2020 1 Link to comment Share on other sites More sharing options...
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