TY - GEN AU - Poli,F AU - Coscelli,E AU - Alkeskjold,T T AU - Passaro,D AU - Cucinotta,A AU - Leick,L AU - Broeng,J AU - Selleri,S TI - Cut-off analysis of 19-cell Yb-doped double-cladding rod-type photonic crystal fibers SN - 1094-4087 PY - 2011///1206 N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1364/OE.19.009896 ER -