Hollow-core bandgap photonic crystal fiber guides light in accordance with the photonic band gap theory, has a strict requirement on the photonic crystal fiber structure and thus has a very high degree of difficulty in preparation. Hollow-core bandgap photonic crystal fiber has high application and scientific research value in optical transmission, optical sensing, integrated optoelectronic devices, and so on.
Outer cladding diameter D1 = 320 μm
inner cladding diameter D2 = 80 μm
average ventage diameter d = 3.9 μm
hole spacing Λ = 4.16 μm
core diameter D = 16.95 μm