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The boundary perturbation method is applied to investigate the changes in the lowest modes of optical fibers sustaining super-Gaussian beams due to the cladding with a constant refractive index. This contribution illustrates the exploitation of quantum-mechanical analogies and methods in the study of optical phenomena.
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Eugenio Ley-Koo, Enrique Silvestre-Mora, Genaro Saavedra, Pedro Andres, Jorge Ojeda-Castaneda, "Supergaussian modes in GRIN fibers," Proc. SPIE 2730, Second Iberoamerican Meeting on Optics, (5 February 1996); https://doi.org/10.1117/12.231089