Kavli Affiliate: Sven Herrmann
| First 5 Authors: Govindarajan Prakash, Govindarajan Prakash, , ,
| Summary:
Optically trapped Silica nanoparticles are a promising tool for precise
sensing of gravitational or inertial forces and fundamental physics, including
tests of quantum mechanics at ‘large’ mass scales. This field, called levitated
optomechanics can greatly benefit from an application in weightlessness. In
this paper we demonstrate the feasibility of such setups in a microgravity
environment for the first time. Our experiment is operated in the GraviTower
Bremen that provides up to 2.5 s of free fall. System performance and first
release-recapture experiments, where the particle is no longer trapped are
conducted in microgravity. This demonstration should also be seen in the wider
context of preparing space missions on the topic of levitated optomechanics.
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