Looking around corners and through thin turbid layers in real time with scattered incoherent light

Ori Katz*, Eran Small, Yaron Silberberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

484 Scopus citations


Imaging with optical resolution through turbid media is a long sought-after goal with important applications in deep tissue imaging. Although extensively studied, this goal was considered impractical until recently. Adaptive-optics techniques, which can correct weak aberrations, are inadequate for turbid samples, where light is scattered to complex speckle patterns with a number of modes greatly exceeding the number of degrees of control. This conception changed after the demonstration of coherent focusing through turbid media by wavefront-shaping, using spatial light modulators. Here, we show that wavefront-shaping enables wide-field imaging through turbid layers with incoherent illumination, and imaging of occluded objects using light scattered from diffuse walls. In contrast to the recently introduced schemes for imaging through turbid media, our technique does not require coherent sources, interferometric detection, raster-scanning or off-line reconstruction. Our results bring wavefront-shaping closer to practical applications and realize the vision of looking through ĝ̃ wallsĝ™ and around corners.

Original languageAmerican English
Pages (from-to)549-553
Number of pages5
JournalNature Photonics
Issue number8
StatePublished - Aug 2012
Externally publishedYes

Bibliographical note

Funding Information:
The authors thank Y. Bromberg for stimulating discussions, and G. Han, Y. Shopen, G. Elazar, B. Sharon, Y. Shimoni and R. Baron for technical assistance. E.S. acknowledges support from the Adams Fellowship. This work was also supported by the Israel Science Foundation, ERC advanced grant QUAMI, and the Crown Photonics Center.


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