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Imaging through a thin scattering layer and jointly retrieving the point-spread-function using phase-diversity
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DOI：10.1364/OE.25.027182.png)
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摘要
En 中文
Recently introduced angular-memory-effect based techniques enable non-invasive imaging of objects hidden behind thin scattering layers. However, both the speckle-correlation and the bispectrum analysis are based on the statistical average of large amounts of speckle grains, which determines that they can hardly access the important information of the point-spread-function (PSF) of a highly scattering imaging system. Here, inspired by notions used in astronomy, we present a phase-diversity speckle imaging scheme, based on recording a sequence of intensity speckle patterns at various imaging planes, and experimentally demonstrate that in addition to being able to retrieve the image of hidden objects, we can also simultaneously estimate the pupil function and the PSF of a highly scattering imaging system without any guide-star nor reference. (C) 2017 Optical Society of America
Keyword:
DISORDERED MEDIA
COMPLEX MEDIA
TURBID LAYERS
LIGHT
TRANSMISSION
DECONVOLUTION
MICROSCOPY
ALGORITHMS
CORNERS
WAVES
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期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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