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A*STAR has achieved a significant milestone by engineering a millimetre-scale levitated rotor that maintains stable rotation for over 10 hours with record-low energy loss. This breakthrough enables commercial-grade gyroscope sensitivity at room temperature, offering viable solutions for precision navigation in GPS-denied environments like underwater or underground operations. By suppressing eddy currents through rotational symmetry, the research establishes a robust platform for advancing fundamental sensing technologies without relying on cryogenic cooling.
A*STAR’s quantum spinning rotor shows promise for precision sensors
A*STAR’s levitated, millimetre-scale rotor spun for over 10 hours, demonstrating commercial-grade gyroscope sensitivity.
Researchers at the A*STAR Quantum Innovation Centre have engineered a millimetre-scale rotor that spun freely for over 10 hours after power was removed, achieving the lowest energy loss reported for a mechanical rotor of this size. The team demonstrated commercial-grade gyroscope sensitivity using the levitated device, opening possibilities for precision navigation in environments where GPS signals are blocked, such as…
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