The memory effect is a type of tilt wave correlation observed in linear systems, which is widely used to control scattered light through thin scattering layers. Here, we show that there exists a strong correlation among the optimized phase distributions of adjacent focal points in focusing through scattering media. The numeric simulation indicates that in the range of the memory effect, the phase difference between the two adjacent focal points shows a fringe pattern, and the closer the adjacent focal points are, the wider the fringe pattern will be. This effect can be utilized for achieving optimal phase distributions of focal points based on one adjacent focal point in focusing light through scattering media.

© 2019 The Author(s)

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