Depth-selective imaging of macroscopic objects hidden behind a scattering layer using low-coherence and wide-field interferometry

Sungsoo Woo; Sungsam Kang; Changhyeong Yoon; Hakseok Ko; Wonshik Choi

doi:10.1016/j.optcom.2016.04.028

Depth-selective imaging of macroscopic objects hidden behind a scattering layer using low-coherence and wide-field interferometry

Sungsoo Woo, Sungsam Kang, Changhyeong Yoon, Hakseok Ko, Wonshik Choi

Department of Physics

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

Imaging systems targeting macroscopic objects tend to have poor depth selectivity. In this Letter, we present a 3D imaging system featuring a depth resolution of 200 μm, depth scanning range of more than 1 m, and view field larger than 70×70 mm². For depth selectivity, we set up an off-axis digital holographic imaging system using a light source with a coherence length of 400 μm. A prism pair was installed in the reference beam path for long-range depth scanning. We performed imaging macroscopic targets with multiple different layers and also demonstrated imaging targets hidden behind a scattering layer.

Original language	English
Pages (from-to)	210-214
Number of pages	5
Journal	Optics Communications
Volume	372
DOIs	https://doi.org/10.1016/j.optcom.2016.04.028
Publication status	Published - 2016 Aug 1

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Keywords

Imaging systems
Imaging through turbid media
Interferometric imaging
Speckle imaging

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry

Cite this

Woo, S., Kang, S., Yoon, C., Ko, H., & Choi, W. (2016). Depth-selective imaging of macroscopic objects hidden behind a scattering layer using low-coherence and wide-field interferometry. Optics Communications, 372, 210-214. https://doi.org/10.1016/j.optcom.2016.04.028

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10.1016/j.optcom.2016.04.028