Friday, September 27

Toroidal Electromagnetic Pulses


Toroidal electromagnetic pulses can be generated using a device known as a horn microwave antenna. 

This electromagnetic “vortex cannon” produces skyrmion topological structures that might be employed for information encoding or for probing the dynamics of light–matter interactions, according to its developers in China, Singapore and the UK.

Examples of toroidal or doughnut-like topology abound in physics – in objects such as Mobius strips and Klein bottles, for example. It is also seen in simpler structures like smoke rings in air and vortex rings in water, as well as in nuclear currents. 

Until now, however, no one had succeeded in directly generating this topology in electromagnetic waves.     READ MORE...

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