Towards non-blind optical tweezing by finding 3D refractive index changes through off-focus interferometric tracking

Optical manipulation of large objects is challenging as optical trap positions are blindly chosen. Here, the authors present off-focus interferometric tracking, which localises optimal grabbing positions with increased refractive index, by analysing the beam deformations of several holographic optic...

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Bibliographic Details
Main Authors: Benjamin Landenberger, Yatish, Alexander Rohrbach
Format: article
Language:EN
Published: Nature Portfolio 2021
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Online Access:https://doaj.org/article/f304858d306446b3b8d76cfd7cc09cf4
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Summary:Optical manipulation of large objects is challenging as optical trap positions are blindly chosen. Here, the authors present off-focus interferometric tracking, which localises optimal grabbing positions with increased refractive index, by analysing the beam deformations of several holographic optical traps.