Planar resonant microwave cavities for the detection of Ca(NO3 )2, KNO3, and Mg(NO3 )2 concentrations

Jose Ramon Aviña Ortiz; Jose Roberto Reyes Ayona; Arturo Alfonso Fernández Jaramillo; Roberto Rojas Laguna; Edgar Reyes-Ayona; Juan Manuel Sierra-Hernandez

doi:10.1117/12.3029047

2 October 2024 Planar resonant microwave cavities for the detection of Ca(NO₃)₂, KNO₃, and Mg(NO₃)₂ concentrations

Jose Ramon Aviña Ortiz, Jose Roberto Reyes Ayona, Arturo Alfonso Fernández Jaramillo, Roberto Rojas Laguna, Edgar Reyes-Ayona, Juan Manuel Sierra-Hernandez

Author Affiliations +

Proceedings Volume 13109, Metamaterials, Metadevices, and Metasystems 2024; 131090O (2024) https://doi.org/10.1117/12.3029047
Event: Nanoscience + Engineering, 2024, San Diego, California, United States

Conference Poster

Abstract

The measurement of the concentration of nitrates in different solutions is of interest in industrial and biomedical applications. Due to this, it is proposed to work with resonant structures manufactured with microstrip technology which were designed as dielectric permittivity sensors. These devices depend on changes in the dielectric properties of the medium, so they can detect variations in the concentration of nitrates. Depending on the dielectric properties of the sample, the electrical response will be such that changes in the response can be related to variations in the percentage content of nitrates in the measured solutions. The increase in the dissolution of calcium, magnesium and potassium nitrates in water shows a clear and notable change in the resonance frequency with which it is possible to identify the percentage level of dissolution in the samples.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Jose Ramon Aviña Ortiz, Jose Roberto Reyes Ayona, Arturo Alfonso Fernández Jaramillo, Roberto Rojas Laguna, Edgar Reyes-Ayona, and Juan Manuel Sierra-Hernandez "Planar resonant microwave cavities for the detection of Ca(NO₃)₂, KNO₃, and Mg(NO₃)₂ concentrations", Proc. SPIE 13109, Metamaterials, Metadevices, and Metasystems 2024, 131090O (2 October 2024); https://doi.org/10.1117/12.3029047

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