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Journal Article

Light scattering control in transmission and reflection with neural networks

MPS-Authors

Seelig,  Johannes D.
Max Planck Research Group Neural Circuits, Center of Advanced European Studies and Research (caesar), Max Planck Society;

Fulltext (public)

oe-26-23-30911.pdf
(Publisher version), 7MB

Supplementary Material (public)
There is no public supplementary material available
Citation

Turpin, A., Vishniakou, I., & Seelig, J. D. (2018). Light scattering control in transmission and reflection with neural networks. Optics Express, 26(23), 30911-30929. doi:10.1364/OE.26.030911.


Cite as: http://hdl.handle.net/21.11116/0000-0003-42D3-4
Abstract
Scattering often limits the controlled delivery of light in applications such as biomedical imaging, optogenetics, optical trapping, and fiber-optic communication or imaging. Such scattering can be controlled by appropriately shaping the light wavefront entering the material. Here, we develop a machine-learning approach for light control. Using pairs of binary intensity patterns and intensity measurements we train neural networks (NNs) to provide the wavefront corrections necessary to shape the beam after the scatterer. Additionally, we demonstrate that NNs can be used to find a functional relationship between transmitted and reflected speckle patterns. Establishing the validity of this relationship, we focus and scan in transmission through opaque media using reflected light. Our approach shows the versatility of NNs for light shaping, for efficiently and flexibly correcting for scattering, and in particular the feasibility of transmission control based on reflected light.