![]() ![]() Digital phase conjugation of second harmonic radiation emitted by nanoparticles in turbid media. Implementation of a digital optical phase conjugation system and its application to study the robustness of turbidity suppression by phase conjugation. Optical phase conjugation for turbidity suppression in biological samples. Non-invasive chemically selective energy delivery and focusing inside a scattering medium guided by Raman scattering. Wavefront shaping enhanced Raman scattering in a turbid medium. Scattering correcting wavefront shaping for three-photon microscopy. Non-invasive optical focusing inside strongly scattering media with linear fluorescence. Non-invasive focusing and imaging in scattering media with a fluorescence-based transmission matrix. Noninvasive light focusing in scattering media using speckle variance optimization. Light focusing through scattering media via linear fluorescence variance maximization, and its application for fluorescence imaging. Noninvasive nonlinear focusing and imaging through strongly scattering turbid layers. Shaping the propagation of light in complex media. Light fields in complex media: mesoscopic scattering meets wave control. Guidestar-assisted wavefront-shaping methods for focusing light into biological tissue. Controlling waves in space and time for imaging and focusing in complex media. Focusing coherent light through opaque strongly scattering media. Optogenetic control of cell signaling pathway through scattering skull using wavefront shaping. Millisecond-timescale, genetically targeted optical control of neural activity. Wavefront Shaping for Biomedical Imaging (Cambridge Univ. Going deeper than microscopy: the optical imaging frontier in biology. In situ wavefront correction and its application to micromanipulation. This paves the way to control light propagation in complex media using incoherent contrasts mechanisms. We also demonstrate maximum energy delivery to an extended target through a scattering medium by exploiting transmission eigenchannels. By time-reversing scattered fluorescence with digital phase conjugation, we experimentally demonstrate focusing of light on individual and multiple targets. Our method characterizes the scattering responses of hidden sources by retrieving mutually incoherent scattered fields from speckle patterns. Here we present a phase conjugation method for spatially incoherent light, which enables non-invasive light control based on incoherent emission from multiple target positions. Although the coherent control of scattered light via wavefront shaping has led to substantial advances in addressing this challenge, controlling light over extended or multiple targets without physical access to the inside of a medium remains elusive. Shaping light deep inside complex media such as biological tissue is critical to many research fields. ![]()
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