Overview
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Read the articleAUTHORS
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Sébastien POPOFF : Doctoral student - University of Paris VII
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Geoffroy LEROSEY : CNRS Research Fellow
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Sylvain GIGAN : Senior Lecturer - École Supérieure de Physique et de Chimie Industrielle ESPCI
INTRODUCTION
Abstract: Understanding wave propagation through a disordered scattering medium is a major challenge in wave physics, particularly for medical applications. A medium that scatters waves many times, mixes light information randomly and is considered opaque. Nevertheless, in such a medium, information is not lost. We present here a method for characterizing the response of a medium so as to be able to "see" an image through an opaque medium.
Keywords: Optics – Multiple scattering – Complex media – Transmission matrix – Random matrices – Inverse problem – Phase conjugation
Sector: Optics
Degree of technology diffusion: Emergence I Growth I Maturity
Technologies involved: Laser – Spatial light modulator
Applications: Medical imaging – Telecommunications
Main French players :
Competitive clusters: Optics Valley
Competence centers: Institut Fresnel (Marseille) – Institut Langevin (Paris)
Manufacturers: Thalès – Imagine Optics
Other international players: Allard Pieter Mosk (University of Twente) –Changhuei Yang (California Institute of Technology) – Rafael Piestun (University of Colorado)
Contact: [email protected]
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Controlling light through a disordered medium — Matrix approach and applications
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"Optics and photonics"
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