Controlling light in scattering media
Controlling light in scattering media
Controlling light in scattering media
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0.6<br />
0.4<br />
How good is focus<strong>in</strong>g (and how physical is the measured matrix)<br />
0.5<br />
0.3<br />
0.2<br />
0.1<br />
Ideal phase conjugation:<br />
O foc = KK †<br />
N=256 modes (=16x16 pixels on the CCD)<br />
a. b.<br />
0<br />
1<br />
0.9<br />
0.8<br />
0.7<br />
0.6<br />
In our case:<br />
O foc<br />
norm = K obs K † norm<br />
N=256<br />
0.5<br />
0.4<br />
0.3<br />
With<br />
0.2<br />
k norm<br />
ij = k ij /|k ij |<br />
0.1<br />
c.<br />
O foc<br />
norm<br />
Expected<br />
image<br />
0<br />
d.
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