Evanescent waveguide sensor for the detection of chromium concentration in water: performance evaluation

Alessio Buzzin; Ahmadreza Alaeddini; Rita Asquini; Domenico Caputo; Simone Quaranta; Giampiero de Cesare

doi:10.1364/FIO.2023.JM7A.51

Frontiers in Optics + Laser Science 2023 (FiO, LS)
Technical Digest Series (Optica Publishing Group, 2023),
paper JM7A.51
•https://doi.org/10.1364/FIO.2023.JM7A.51

Evanescent waveguide sensor for the detection of chromium concentration in water: performance evaluation

Alessio Buzzin, Ahmadreza Alaeddini, Rita Asquini, Domenico Caputo, Simone Quaranta, and Giampiero de Cesare

Frontiers in Optics 2023

Tacoma, Washington United States
9–12 October 2023
ISBN: 978-1-957171-29-6

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A. Buzzin, A. Alaeddini, R. Asquini, D. Caputo, S. Quaranta, and G. de Cesare, "Evanescent waveguide sensor for the detection of chromium concentration in water: performance evaluation," in Frontiers in Optics + Laser Science 2023 (FiO, LS), Technical Digest Series (Optica Publishing Group, 2023), paper JM7A.51.

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Abstract

We evaluate the detection performance for chromium content in water of a compact, inexpensive evanescent-waveguide sensor: the achieved 43 pA/% sensitivity and 47 ppm limit of detection enable applications as smart in-situ water pre-screening tool.

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