Geometric Optimization of Eddy-Current Sensor Coils for Enhanced Sensitivity: A Computational and Experimental ApproachHeri Firmansyah, Widyaningrum Indrasari, Wahyu EW Ndari and Lutvi Vitria KadarwatiEPJ Web Conf., 377 (2026) 02012DOI: https://doi.org/10.1051/epjconf/202637702012