Shamini PillayDeepak KumarY.N. PhuaHairul Azhar2024-11-072024-11-072013-12-24http://dx.doi.org/10.1080/09205071.2013.870499https://dspace-cris.utar.edu.my/handle/123456789/6489Analysis of the propagation characteristics of circular step-index fibre with new sheath helix boundary conditionjournal-article