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Depth Scattering Characterization of Multi-Layer Turbid Media Based on Iterative Multi-Plane Reflectance Measurements

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Overcoming opaque barriers beyond the penetration depth is based on light-matter interactions, with applications in biomedical optics, material science and security. In wave propagation, scattering is the amount of disorder,… Click to show full abstract

Overcoming opaque barriers beyond the penetration depth is based on light-matter interactions, with applications in biomedical optics, material science and security. In wave propagation, scattering is the amount of disorder, mostly treated as a disturbance. Scattered light variations allow overcoming opaque barriers. In order to separate turbid medium layers, absorption-based contrast is commonly used. This paper presents the two-layer study of a noninvasive scattering-based technique. The iterative multi-plane optical property extraction (IMOPE) technique assesses scattering by reconstructing the light phase. The reflection-based IMOPE detects different scattering layers with 0.2 mm−1 sensitivity at different depths, behind layers up to 6 mm thick.

Keywords: iterative multi; multi plane; layer; turbid; depth scattering

Journal Title: IEEE Photonics Journal
Year Published: 2020

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