Vacuum levitation and motion control with greater degrees of freedom on an optical-electrostatic chip

https://phys.org/news/2024-07-vacuum-levitation-motion-optical-electrostatic.html

"silica nanoparticle on surface of hybrid optical–electrostatic chip, using miniaturize vacuum levitation platform... cool particle motion to few hundred phonons by combines fiber-based optical trapping and sensitive position detection with cold damping through planar electrodes... signal-to-noise ratios, optical displacement detection capabilities comparable to bulky optical equipment use... force/ torque sensing, precision acceleration, thermodynamics, macroscopic quantum mechanics"

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https://phys.org/news/2024-08-physicists-world-smallest-disco-party.html