Spatial-spectral correlations of broadband speckle in around-the-corner imaging conditions | Zendy

Shawn Divitt | Zendy; Abbie T. Watnik | Zendy

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Spatial-spectral correlations of broadband speckle in around-the-corner imaging conditions

Author(s) -

Shawn Divitt,

Abbie T. Watnik

Publication year - 2022

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.445330

Subject(s) - speckle pattern , optics , broadband , spatial correlation , paraxial approximation , speckle noise , spectral imaging , spatial frequency , correlation function (quantum field theory) , physics , spectral density , computer science , telecommunications , beam (structure)

Correlations of broadband speckle have important implications for passive, non-line-of-sight imaging. We examine the spectral and spatial correlations of broadband, around-the-corner speckle and reveal a set of equations that locate the spatial maximum of the paraxial spatial-spectral correlation function. We confirm the validity of the spatial-spectral correlation framework through experiment, theory and simulation.

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