Optical feedback tweezers
Kumar A, Bechhoefer J. Optical feedback tweezers. 2018, 10723: 107232j. DOI: 10.1117/12.2323837.Peer-Reviewed Original ResearchFeedback trapOptical trapAcoustooptic deflectorTime-shared optical tweezersDouble-well potentialVirtual potentialOptical tweezersLaser powerPosition detectorTrap positionBarrier heightParticle positionsArbitrary potentialTweezersObserved fluctuationsTrapsParticlesWell separationIndependent controlDeflectorLoop rateDetectorPreliminary experimentsHydrodynamic forcesFeedback force