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Identification and Visualization Textile Fibers by Raman Imaging
Summary
Despite its title referencing textile fiber identification, this paper studies Raman spectral imaging as a forensic tool for distinguishing and visualizing different fiber types in blended or dyed textiles — not microplastic pollution. It examines how spectral imaging reveals fiber spatial distribution for forensic science applications, and is not relevant to microplastics or human health.
Textile fibers are an essential component of daily necessities and are often used as forensic evidence, making their characterization crucial in forensic science. Different types of textile fibers can be identified using their unique Raman spectral characteristic peaks. In this study, we achieved the visualization of single-component, multi-component, and dyed blended fibers through Raman spectral imaging, demonstrating the spatial distribution of different types of textile fibers within the same area. Furthermore, by merging Raman images of fibers from non-confocal planes, we achieved accurate visual identification, providing more possibilities for characterizing fibers with special morphological features using Raman spectral imaging. In conclusion, Raman spectral imaging enables the successful visualization and identification of different types of fibers.
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