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Linking plasma formation in grapes to microwave resonances of aqueous dimers | PNAS
A dielectric resonator is a piece of dielectric (nonconductive) material, usually ceramic, that is designed to function as a resonator for radio waves, generally in the microwave and millimeter wave bands.

In a popular parlor trick, plasma is created by irradiating grape hemispheres in a household microwave oven. This work ties the source of the plasma to microwave photonic hotspots at the junction of aqueous dielectric spherical dimers.
publishing  science  physics  photonics  microwave  dielectric  resonance  journal  research 
february 2019 by asaltydog

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