Characterization of holmium fibers with various concentrations for fiber laser applications around 2.1 microm

AUBRECHT, J., PETERKA, P., HONZÁTKO, P., BARAVETS, Y., JELÍNEK, M., KUBEČEK, V., PAWLISZEWSKA, M., SOTOR, J., SOBON, G., ABRAMSKI, K., KAŠÍK, I. Characterization of holmium fibers with various concentrations for fiber laser applications around 2.1 microm. In: KALLI, Kyriacos, MENDEZ, Alexis, eds. Proceedings of SPIE. Micro-Structured and Specialty Optical Fibres IV. Vol. 9886. Bellingham, WA: SPIE, 2016, č. článku 988607. ISSN 0277-786X. Available: doi: 10.1117/12.2227618