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arXiv · 1407.0852

Retrieving time-dependent Green's functions in optics with low-coherence interferometry

Amaury Badon·Geoffroy Lerosey·Albert C. Boccara·Mathias Fink·Alexandre Aubry
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Abstract

We report on the passive measurement of time-dependent Green's functions in the optical frequency domain with low-coherence interferometry. Inspired by previous studies in acoustics and seismology, we show how the correlations of a broadband and incoherent wave-field can directly yield the Green's functions between scatterers of a complex medium. Both the ballistic and multiple scattering components of the Green's function are retrieved. This approach opens important perspectives for optical imaging and characterization in complex scattering media.

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Amaury Badon, Geoffroy Lerosey, Albert C. Boccara, Mathias Fink, Alexandre Aubry. 2015-01-12. Retrieving time-dependent Green's functions in optics with low-coherence interferometry. https://doi.org/10.1103/physrevlett.114.023901

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