Proposed SC generated HN-PCF with seven rings of air hole with three different diameters d1, d2, d, and pitch Λ.

 
 
  Part of: Begum F, Suhaimi H, Shamsuddin N, Blundell MG, Namihira Y (2018) Supercontinuum generated high power highly nonlinear photonic crystal fiber for medical and optical communications applications. Modern Electronic Materials 4(2): 53-58. https://doi.org/10.3897/j.moem.4.2.33839