Laser-Ionized Plasma Antenna Transmits Radio Waves
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Original source:phys.org
Key Takeaways
- Laser pulses ionize air to create a conductive plasma channel.
- The plasma filament acts as a functional antenna for radio waves.
- This technology could replace rigid metal structures in specific applications.
- The research was published in the IEEE Journal of Microwaves.
Scientists have successfully developed a novel antenna system that utilizes laser-induced plasma filaments to broadcast radio signals. By ionizing the air with high-intensity laser pulses, the researchers created a conductive channel that functions similarly to a traditional metal antenna.
This breakthrough offers a flexible alternative to physical hardware, potentially allowing for dynamic signal transmission in challenging environments. The study highlights the viability of using atmospheric gas as a medium for electromagnetic communication.
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