Design of hybrid quantum inertial sensor, or quantum accelerometer triad (QuAT): the components of the acceleration vector are measured perpendicularly to the surface of their respective mirrors.
Design of hybrid quantum inertial sensor, or quantum accelerometer triad (QuAT): the components of the acceleration vector are measured perpendicularly to the surface of their respective mirrors. © iXAtom - How can we navigate airliners or allow military vehicles to stay on course without GPS or satellite signals? This is a problem for which quantum inertial sensors offer a solution. Harnessing quantum technology, they can take ultrasensitive measurements of acceleration in three dimensions, and in any orientation. However, the ideal inertial sensor for navigation must, on the one hand, emit signals continuously at a high rate, and on the other, remain precise and sensitive over extended periods. Classic inertial sensors do meet the first criterion, but they err over time. Conversely, quantum sensors are extremely precise and sensitive, but measures are accompanied by dead time. By combining both sensor technologies, a team of scientists 1 led by a CNRS researcher has developed the first multidimensional hybrid quantum inertial sensor.
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