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Phase-space measurement for depth-resolved memory-effect imaging
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DOI：10.1364/OE.22.031426.png)
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Abstract
En 中文
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. (C) 2014 Optical Society of America
Keywords:
SCATTERING LAYERS
DISORDERED MEDIA
TURBID LAYERS
REAL-TIME
CORNERS
LIGHT
RESOLUTION
LOOKING
IMAGES
OPTICS
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