P. Czekala, B. Salski, P. Kopyt, Malgorzata Warecka, Sebastian Dziedziewicz, R. Lech, Piotr Kowalczyk
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Beam Waist in a Plano-Concave Fabry-Perot Open Resonator
A Fabry-Perot open resonator structure with plane and spherical mirrors is analyzed using two modeling techniques: the finite element method and Green’s function method in free space. These methods are utilized to evaluate the beam waist of the Gaussian modes. The calculations are conducted in order to determine the minimum size of the probe that finds application in the material characterization analysis. The value of the beam waist as a function of the radius of the spherical mirror is investigated.