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7 papers · 1 filter
Optimal spatiotemporal focusing through complex scattering media
Jochen Aulbach, Alice Bretagne, Mathias Fink +2
We present a new approach for spatiotemporal focusing through complex scattering media by wave front shaping. Using a nonlinear feedback signal to shape the incident pulsed wave fr…
Experimental study of z resolution in acousto-optical coherence tomography using random phase jumps on ultrasound and light
Max Lesaffre, Salma Farahi, François Ramaz +1
Acousto-Optical Coherence Tomography (AOCT) is a variant of Acousto Optic Imaging (also called Ultrasound modulated Optical Tomography) that makes possible to get resolution along…
Photonic engineering of hybrid metal-organic chromophores
Mickaël P. Busson, Brice Rolly, Brian Stout +3
We experimentally demonstrate control of the absorption and emission properties of individual emitters by photonic antennas in suspension. The method results in a new class of wate…
Acousto-optical coherence tomography with a digital holographic detection scheme
Michel Gross, François Ramaz, Emilie Benoit +2
Acousto-optical coherence tomography (AOCT) consists in using random phase jumps on ultrasound and light to achieve a millimeter resolution when imaging thick scattering media. We…
Control of light transmission through opaque scattering media in space and time
Jochen Aulbach, Bergin Gjonaj, Patrick M. Johnson +2
We report the first experimental demonstration of combined spatial and temporal control of light trajectories through opaque media. This control is achieved by solely manipulating…
Resonant Metalenses for Breaking the Diffraction Barrier
Fabrice Lemoult, Geoffroy Lerosey, Julien de Rosny +1
We introduce the resonant metalens, a cluster of coupled subwavelength resonators. Dispersion allows the conversion of subwavelength wavefields into temporal signatures while the P…