CW transillumination imaging by extracting weakly scattered light from strongly diffused light

Kazuto Takagi, Hiroyuki Kakinuma, Yuji Kato, Koichi Shimizu

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Transmitted light through a diffuse scattering medium includes strongly diffused light (SDL) and weakly scattered light (WSL). To realize clear transillumination imaging through thick body tissue, which is typically more than 10 mm, we developed a technique to extract the WSL component from diffused light. In experiments using a 15-mm-thick scattering medium (μs = 1.0/mm), the cross-section of the light propagation area at the center of the medium was confined to a 50% area. This method's usefulness was demonstrated by transillumination imaging through a 40-mm-thick piece of chicken meat. The possibility of depth evaluation was also verified.

Original languageEnglish
Pages (from-to)8332-8342
Number of pages11
JournalOptics Express
Volume17
Issue number10
DOIs
Publication statusPublished - 2009 May 11

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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