FRANCZYK, Marcin; STĘPIEŃ, Ryszard; PYSZ, Dariusz; KUJAWA, Ireneusz; BUCZYŃSKI, Ryszard. Phosphate Yb3+ doped air-cladding photonic crystal fibers for laser applications. Photonics Letters of Poland, [S. l.], v. 6, n. 1, p. pp. 47–49, 2014. DOI: 10.4302/photon. lett. pl.v6i1.479. Disponível em: https://photonics.pl/PLP/index.php/letters/article/view/6-17. Acesso em: 27 apr. 2024.