Evanescent Wave - Evanescent-wave Coupling - Applications

Applications

  • Evanescent wave coupling is commonly used in photonic and nanophotonic devices as waveguide sensors.
  • Evanescent wave coupling is used to excite, for example, dielectric microsphere resonators.
  • A typical application is resonant energy transfer, useful, for instance, for charging electronic gadgets without wires. A particular implementation of this is WiTricity; the same idea is also used in some Tesla coils.
  • Evanescent coupling, as near field interaction, is one of the concerns in electromagnetic compatibility.
  • Evanescent wave coupling plays a major role in the theoretical explanation of extraordinary optical transmission.
  • Powering devices wirelessly.

Read more about this topic:  Evanescent Wave, Evanescent-wave Coupling

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