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The difference between adaptive optics and turbid imaging

Definition of turbid imaging:  imaging through highly scattering medium, such as egg shell.

First, the medium considered in adaptive optics, such as atmosphere,  has much more weakly scattering than the turbid medium in turbid imaging.

Second, the adaptive optics utilizes Zenike polynomial to approximate the distorted wavefront, which has far less degree of freedom and will result in a smooth approximation (no sudden jump of phase between two closed position). However, in turbid imaging, there can be discontinuous phase distribution in order to form constructive interference, as a result, the degree of freedom is very large (~ more than millions).

 

 

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