Phase-space measurement for depth-resolved memory-effect imaging

Kevin T. Takasaki, Jason W. Fleischer

Research output: Contribution to journalArticle

39 Scopus citations

Abstract

Random scattering of light by a turbid layer prevents conventional imaging of objects hidden behind it. Angular correlations in the scattered light, created by the so-called optical memory effect, have been shown to enable computational image retrieval of hidden sources. However, basic memory-effect imaging contains no spatial (x) information, as only angular (k-space) measurements are made. Here, we use windowed Fourier transforms to record scattered-light images in the full {x,k} phase space. The result is the ability to discriminate size and depth of individual sources that are hidden behind a thin scattering layer.

Original languageEnglish (US)
Pages (from-to)31426-31433
Number of pages8
JournalOptics Express
Volume22
Issue number25
DOIs
StatePublished - Dec 15 2014

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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