Investigating liquid water distribution in Nafion polymer electrolyte membrane with terahertz imaging

Lima, Decio F. Alves de; Letizia, Rosa; Degl’Innocenti, Riccardo; Dawson, Richard; Lin, Hungyen

doi:10.1109/irmmw-thz.2019.8873813

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2020

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“…In imaging applications, focal plane arrays (FPA) provide a much faster alternative to raster scanning that allows real-time imaging over a larger area and the studying of dynamics. An example was demonstrated in [72], where the hydration of Nafion membrane used in fuel cells were recorded in real-time with a compact THz camera.…”

Section: Thz Camerasmentioning

confidence: 99%

Non-Contact, Non-Destructive Testing in Various Industrial Sectors with Terahertz Technology

Tao

Fitzgerald

Wallace

2020

Sensors

166

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In this article, we survey various non-contact, non-destructive testing methods by way of terahertz (THz) spectroscopy and imaging designed for use in various industrial sectors. A brief overview of the working principles of THz spectroscopy and imaging is provided, followed by a survey of selected applications from three industries—the building and construction industry, the energy and power industry, and the manufacturing industry. Material characterization, thickness measurement, and defect/corrosion assessment are demonstrated through the examples presented. The article concludes with a discussion of novel spectroscopy and imaging devices and techniques that are expected to accelerate industry adoption of THz systems.

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Section: Thz Camerasmentioning

confidence: 99%