Science, Space and Technology News 2023
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Physicists have developed a groundbreaking atomic radio frequency sensor for radio waves, offering enhanced sensitivity and versatility. Ideal for defense and satellite technology, this metal-free, laser-powered design promises real-world applications, as documented inUniversity of Otago physicists have used a small glass bulb containing an atomic vapor to demonstrate a new form of antenna for radio waves.
These sensors utilize atoms in a unique Rydberg state. Due to this state, they can outperform current antenna technologies in terms of sensitivity, tunability, and compactness. This makes them particularly suitable for defense and communication applications.A key advantage is their ability to cover the entire spectrum of radio frequencies. This means soldiers on the battlefield could potentially use just one of these sensors instead of multiple antennas tailored to different frequency bands.
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