Fiber-Optic Sensor for Detecting PFAS Compounds in Water Using a Fabry–Pérot cavity

Authors

  • Patryk Radek Department of Optoelectronics, Silesian University of Technology
  • Kamil Barczak Department of Optoelectronics, Silesian University of Technology
  • Aneta Olszewska Department of Optoelectronics, Silesian University of Technology

DOI:

https://doi.org/10.4302/plp.v17i2.1344

Abstract

A PVDF‐coated Fabry–Pérot fiber‐optic sensor was developed for rapid in situ detection of PFAS in water. A low‐finesse etalon was formed by dip‐coating, yielding interference minima that shift by an average of 5 nm during wet–dry cycling (SD = 0.7 nm). Exposure to a 10 µg/mL PFOS solution induced a reversible 5.9 nm redshift, and subsequent rinsing restored the baseline within 0.4 nm. The sensor’s low cost, portability, and high repeatability make it well suited for field applications.

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References

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Published

2025-07-01

How to Cite

[1]
P. Radek, K. Barczak, and A. Olszewska, “Fiber-Optic Sensor for Detecting PFAS Compounds in Water Using a Fabry–Pérot cavity”, Photonics Lett. Pol., vol. 17, no. 2, pp. 51–53, Jul. 2025.

Issue

Vol. 17 No. 2 (2025)

Section

Articles

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Copyright (c) 2025 Patryk Radek

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