The finite difference time-domain (FDTD) method applied to the computation of resonant frequencies and quality factors of open dielectric resonators J. A. Pereda, L. A. Vielva, A. Vegas et A. PrietoJ. Phys. III France, 3 3 (1993) 539-551DOI: https://doi.org/10.1051/jp3:1993147