Controlling light in scattering media
Controlling light in scattering media
Controlling light in scattering media
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Imag<strong>in</strong>g through a random medium: Pr<strong>in</strong>ciple<br />
<br />
E obj<br />
E out<br />
Can we determ<strong>in</strong>e the <strong>in</strong>put image by analys<strong>in</strong>g the<br />
output speckle <br />
=DETECTION PROBLEM<br />
YES: <strong>in</strong> fact it is the reciprocal problem of focus<strong>in</strong>g!<br />
E img ≈ K † obs E out = O foc† E obj = O foc E obj
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