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Whispering-gallery wave

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Whispering gallery waves sound simulation using FDTD

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Whispering Gallery | 100 Wonders | Atlas Obscura

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Whispering gallery wave simulation for cylinder and broken culinder using FDTD

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Stonehenge searching for whispering gallery wave using FDTD

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Whispering gallery waves in a cylinder and broken cylinder

Whispering-gallery waves, or whispering-gallery modes, are a type of wave that can travel around a concave surface. Originally discovered for sound waves in the whispering gallery of St Paul’s Cathedral, they can exist for light and for other waves, with important applications in nondestructive testing, lasing, cooling and sensing, as well as in astronomy.
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    • Introduction 

    • Acoustic waves 

    • Electromagnetic waves 

    • Other systems