Measuring the Transmission Matrix in Optics : An Approach to the Study and Control of Light Propagation in Disordered Media

2009/10/31 by S. M. Popoff, G. Lerosey, R. Carminati +3 · 5 citations
Physics and Astronomy · #physics.optics

paper · pdf · doi:10.1103/physrevlett.104.100601

published as Phys. Rev. Lett. 104, 100601 (2010) · 5 pages, 4 figures

arxiv created 2010/01/18 · arxiv updated 2010/03/10

Abstract

We introduce a method to experimentally measure the monochromatic transmission matrix of a complex medium in optics. This method is based on a spatial phase modulator together with a full-field interferometric measurement on a camera. We determine the transmission matrix of a thick random scattering sample. We show that this matrix exhibits statistical properties in good agreement with random matrix theory and allows light focusing and imaging through the random medium. This method might give important insights into the mesoscopic properties of complex medium.

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