A new paper with our collaborators in Nice and London just appeared in Nature Photonics and is highlighted in OSA Optics & Photonics News and in Pro-Physik. In this work we demonstrate how to design the optimal wave front to deliver the highest possible force or torque onto a target embedded in a complex environment (see illustration on the left for a wave field transferring a strong torque onto a square target).
![](https://rottergroup.itp.tuwien.ac.at/wp-content/uploads/2019/11/csm_RotterWaves_2a23c0f38f-1.jpg)