Spectral speckle-correlation imaging | Zendy

Kunihiko Ehira | Zendy; Ryoichi Horisaki | Zendy; Yohei Nishizaki | Zendy; Makoto Naruse | Zendy; Jun Tanida | Zendy

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Spectral speckle-correlation imaging

Author(s) -

Kunihiko Ehira,

Ryoichi Horisaki,

Yohei Nishizaki,

Makoto Naruse,

Jun Tanida

Publication year - 2021

Publication title -

applied optics

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 0.668

H-Index - 197

eISSN - 2155-3165

pISSN - 1559-128X

DOI - 10.1364/ao.418361

Subject(s) - speckle pattern , optics , scattering , spectral imaging , speckle imaging , monochrome , speckle noise , phase retrieval , ghost imaging , light scattering , physics , fourier transform , quantum mechanics

We present a method for single-shot spectrally resolved imaging through scattering media by using the spectral memory effect of speckles. In our method, a single speckle pattern from a multi-colored object is captured through scattering media with a monochrome image sensor. The color object is recovered by correlation of the captured speckle and a three-dimensional phase retrieval process. The proposed method was experimentally demonstrated by using point sources with different emission spectra located between diffusers. This study paves the way for non-invasive and low-cost spectral imaging through scattering media.

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