Retrieving Time-Dependent Green's Functions in Optics with Low-Coherence Interferometry

被引：17

作者：

Badon, Amaury ^{[1
]}

Lerosey, Geoffroy ^{[1
]}

Boccara, Albert C. ^{[1
]}

Fink, Mathias ^{[1
]}

Aubry, Alexandre ^{[1
]}

机构：

[1] PSL Res Univ, ESPCI ParisTech, CNRS UMR 7587, Inst Langevin, F-75005 Paris, France

来源：

PHYSICAL REVIEW LETTERS | 2015年 / 114卷 / 02期

关键词：

REVERSAL; TRANSMISSION; LIGHT;

D O I：

10.1103/PhysRevLett.114.023901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页数：5

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