ROMANIUK, Ryszard S. Modal structure design in refractive capillary optical fibers. Photonics Letters of Poland, [S. l.], v. 2, n. 1, p. pp. 22–24, 2010. DOI: 10.4302/photon. lett. pl.v2i1.94. Disponível em: http://photonics.pl/PLP/index.php/letters/article/view/2-8. Acesso em: 22 dec. 2024.