Erwin Schrödinger Center for Quantum Science & Technology (ESQ)

Sensing with levitated nanoparticles has so far been limited by the precision of position measurements. Now, researchers at the University of Innsbruck led by Tracy Northup, have demonstrated a new method for optical interferometry in which light scattered by a particle is reflected by a mirror. This opens up new possibilities for using levitated particles as sensors, in particular, in quantum regimes.

For more information see:

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.129.013601

https://www.uibk.ac.at/en/newsroom/2022/a-mirror-tracks-a-tiny-particle/

Tracy Northup’s research group

https://science.apa.at/power-search/2556558912017742875