- Double photonic bandgap hollow-core photonic crystal fiberPhilip S Light
Centre for Photonics and Photonic Materials, Department of Physics, University of Bath, Bath BA27AY, UK
Opt Express 17:16238-43. 2009..The higher-order bandgap arises due to the extremely thin struts of the silica cladding and their fine-tuning relative to the apex size. The optimum strut thickness was found to be approximately one hundredth of the cladding pitch...