Controlling light in scattering media

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Measuring the transmission matrix K CCD Reference Part 1) Display vector U k on the controlled part P x40 AN : 0.75 x20 AN : 0.5 Controlled Part 2) Shift the global phase of the reference and take 4 speckle image Laser 532nm Observation Window sample P D 3) Retrieve the amplitude and phase of the speckle due to the U k (including reference) E out .E ref Repeat N times L L P SLM Measured TM K obs = K × S ref exact TM Diagonal matrix
How does K obs look like 16x16 pixels on the SLM= 256 input modes 50 16x16 pixels on the CCD = 256 output modes 100 150 200 « raster » effect due to the amplitude of S ref 250 50 100 150 200 250 Measured TM K obs = K × S ref exact TM Diagonal matrix
Page 1 and 2: Controlling light in scattering med
Page 3 and 4: different focusingdifferent conditi
Page 5 and 6: The scattering matrix Our system of
Page 7 and 8: Experimental setup N=256 macropixel
Page 9: A good basis to start The canonical
Page 13 and 14: 0.6 0.4 How good is focusing (and
Page 15 and 16: Imaging through a random medium: Pr
Page 17 and 18: Imaging through a random medium : R
Page 19 and 20: The singular values K is a NxN comp
Page 21 and 22: Experimental distribution of the si

Controlling light in scattering media

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