Fig. 3From: Ultra-high birefringence with tuneable double zero chromatic dispersion-PCF: a theoretical analysisa Cross-section of the structure of PCF3. b The field profile of the fundamental mode at the wavelength of 1.55 µm for X-polarisation mode. c The field profile of the fundamental mode at the wavelength of 1.55 µm for Y-polarisation modeBack to article page