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Scientists create a new type of radio antenna, an "atomic radio frequency sensor", based on Rydberg atoms; it covers the full spectrum of radio frequencies, rather than needing multiple antennas to cover different frequency bands

We combine a rubidium vapor cell with a corner-cube prism reflector to form a passive RF transducer, allowing the detection of microwave signals at a location d

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pubs.aip.org

19th Oct '23