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Improving Photoacoustic-guided Focusing in Scattering Media by Spectrally Filtered Detection
Thomas Chaigne, Ori Katz, Jérôme Gateau +3
We experimentally and numerically study the potential of photoacoustic-guiding for light focusing through scattering samples via wavefront-shaping and iterative optimization. We ex…
Imaging With Nature: Compressive Imaging Using a Multiply Scattering Medium
Antoine Liutkus, David Martina, Sébastien Popoff +6
The recent theory of compressive sensing leverages upon the structure of signals to acquire them with much fewer measurements than was previously thought necessary, and certainly w…
Improving visibility in photoacoustic imaging using dynamic speckle illumination
Jérôme Gateau, Thomas Chaigne, Ori Katz +2
In high-frequency photoacoustic imaging with uniform illumination, homogeneous photo-absorbing structures may be invisible because of their large size or limited-view issues. Here…
Controlling light in scattering media noninvasively using the photo-acoustic transmission-matrix
T. Chaigne, O. Katz, A. C. Boccara +3
Optical wavefront-shaping has emerged as a powerful tool to manipulate light in strongly scattering media. It enables diffraction-limited focusing and imaging at depths where conve…
Real-time wavefront-shaping through scattering media by all optical feedback
Micha Nixon, Ori Katz, Eran Small +4
Focusing light through dynamically varying heterogeneous media is a sought-after goal with important applications ranging from free-space communication to nano-surgery. The underly…