TY - JOUR A1 - Pearce, G. J. A1 - Wiederhecker, G. S. A1 - Poulton, Christopher G. A1 - Burger, Sven A1 - Russell, P. St. J. T1 - Models for guidance in kagome-structured hollow-core photonic crystal fibres JF - Optics Express Y1 - 2007 U6 - https://doi.org/10.1364/OE.15.012680 VL - 15 SP - 12680 ER -