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

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)210-214
Number of pages5
JournalOptics Communications
Volume372
DOIs
Publication statusPublished - 2016 Aug 1

Fingerprint

Interferometry
Imaging systems
interferometry
Scattering
Imaging techniques
scattering
Scanning
Prisms
selectivity
Light sources
scanning
prisms
light sources

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

Depth-selective imaging of macroscopic objects hidden behind a scattering layer using low-coherence and wide-field interferometry. / Woo, Sungsoo; Kang, Sungsam; Yoon, Changhyeong; Ko, Hakseok; Choi, Wonshik.

In: Optics Communications, Vol. 372, 01.08.2016, p. 210-214.

Research output: Contribution to journalArticle

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