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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 16, Iss. 14 — Jul. 15, 1991
  • pp: 1068–1070

Imaging through a scattering wall using absorption

K. M. Yoo, Feng Liu, and R. R. Alfano  »View Author Affiliations


Optics Letters, Vol. 16, Issue 14, pp. 1068-1070 (1991)
http://dx.doi.org/10.1364/OL.16.001068


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Abstract

An object hidden behind a cloudy wall is shown to become visible when the wall is made absorbing. The underlying principle is that the absorption in a random medium preferentially reduces the intensity of the multiple scattered light (noise) over the ballistic signal (image). The intensity of the noise can be reduced below the ballistic signal intensity when the medium is made sufficiently absorbing, thus allowing us to see through an otherwise opaque random scattering wall.

© 1991 Optical Society of America

History
Original Manuscript: March 15, 1991
Published: July 15, 1991

Citation
K. M. Yoo, Feng Liu, and R. R. Alfano, "Imaging through a scattering wall using absorption," Opt. Lett. 16, 1068-1070 (1991)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-16-14-1068

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