May 162018
Researchers at the National Institute of Standards and Technology (NIST) in the US have developed a nanoresonator coating based on an optical version of a whispering gallery, which describes the phenomenon of sound waves traveling around a concave surface, such as the dome of St Paul's Cathedral in London, perhaps the most famous example of a whispering gallery. The antireflection coating comprises thousands of nanoscale glass beads that trap the light around their curved surface, enabling...


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