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<p>This research outlines the creation of a robust and long-lasting metal oxide-coated optical fiber probe, specifically utilizing tin oxide nanoparticles (SnO<sub>2</sub> NPs) integrated with polyvinyl alcohol (PVA) hydrogel. The nanoparticles were synthesized and their structures confirmed through X-ray Diffraction (XRD) and High-Resolution Transmission Electron Microscopy (HRTEM) analyses. The uniformity of the deposited layer was scrutinized using Field Emission Scanning Electron Microscopy (FESEM), and the sensor’s stability was assessed through repeated usage. Furthermore, the study investigated the impact of PVA on the sensitivity and accuracy of the probe, utilizing UV–Visible spectroscopy and transmission spectra. This research is poised to significantly enhance the field of sensing by improving sensor accuracy, sustainability, and durability, all while maintaining high sensitivity.</p>

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Development of a durable and stable optical fiber probe using polyvinyl alcohol hydrogel for enhanced sensing applications

  • 期刊论文

  • 发表日期：

    2025年1月22日

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  • Kavita Sharma,
  • Rajneesh Kumar Verma

摘要

This research outlines the creation of a robust and long-lasting metal oxide-coated optical fiber probe, specifically utilizing tin oxide nanoparticles (SnO2 NPs) integrated with polyvinyl alcohol (PVA) hydrogel. The nanoparticles were synthesized and their structures confirmed through X-ray Diffraction (XRD) and High-Resolution Transmission Electron Microscopy (HRTEM) analyses. The uniformity of the deposited layer was scrutinized using Field Emission Scanning Electron Microscopy (FESEM), and the sensor’s stability was assessed through repeated usage. Furthermore, the study investigated the impact of PVA on the sensitivity and accuracy of the probe, utilizing UV–Visible spectroscopy and transmission spectra. This research is poised to significantly enhance the field of sensing by improving sensor accuracy, sustainability, and durability, all while maintaining high sensitivity.