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physics.optics2025
The Zero-Frequency Limit of Spherical Cavity Modes: On the Formal Endpoint at v=1
Mustafa Bakr, Smain Amari
The transverse magnetic (TM) modes of a spherical cavity satisfy a dispersion relation connecting the angular eigenvalue to the resonant frequency through zeros of the spheric…
physics.optics2025
Theory of Azimuthally Propagating Electromagnetic Waves in Cylindrical Cavities
Mustafa Bakr, Smain Amari
The paper presents a detailed study of azimuthally propagating electromagnetic waves in cylindrical metallic cavities with circular cross section. Dispersion characteristics of the…