首页|Controlling light focusing through scattering medium with superpixel-based deep learning method

Controlling light focusing through scattering medium with superpixel-based deep learning method

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© 2022 Elsevier GmbHIn this paper, a superpixel-based deep learning method is proposed for controlling the focusing of light through scattering medium. Different from previous work, our method enables neural network trained with complex-valued data, from which we can obtain complex amplitude modulation of the light field, simultaneously, we also propose a processing method of speckle data to enriching the characteristics of the data, therefore, rapidly achieves high enhancement factors light focus with only amplitude modulation devices. In our experiment, the highest enhancement factor can reach 269, which is 65% higher than that in the case of training network with only real-valued data. In addition, we can also successfully achieve multi-point focusing through the scattering medium. Our method provides a new idea for the application of deep learning in wavefront shaping.

Deep learningFocusing through scattering mediumMulti-point focusingSuperpixel method

Dai Y.、Ding Y.、Xiang C.、Xiao Y.

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College of Mathematics and Physics Beijing University of Chemical Technology

2022

10.1016/j.ijleo.2022.169277

Optik

Optik

EISCI
ISSN：0030-4026
年,卷(期)：2022.262
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