Jahangir, R; Markl, D; Li, J; Naftaly, M (2025) Quantification of Terahertz Scattering in Water-Oil Emulsion. In: 2025 50th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 17-22 August 2025, Helsinki, Finland.

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Abstract

Scattering in water-paraffin oil emulsions was studied by terahertz time-domain spectroscopy (THz-TDS) with the aim of estimating droplet size and concentration. The loss coefficients in water-oil emulsion systems were measured at very low concentrations of water (≤ 1% v/v) to establish the sensitivity of THz-TDS. As expected, the scattering losses increased linearly with water concentration. The scattering spectra exhibited a quadratic dependence on frequency, indicating that Mie scattering was the dominant scattering loss mechanism in this system.

Item Type:	Conference or Workshop Item (Paper)
Keywords:	terahertz
Subjects:	Optical Radiation and Photonics > Materials and Appearance
Divisions:	Electromagnetic & Electrochemical Technologies
Publisher:	IEEE
Identification number/DOI:	10.1109/IRMMW-THz61557.2025.11319712
Last Modified:	23 Mar 2026 13:42
URI:	https://eprintspublications.npl.co.uk/id/eprint/10340