Fig. 4: Loss trends comparison and total loss analysis.
From: Hollow-core fibers with reduced surface roughness and ultralow loss in the short-wavelength range
a Representative measured loss spectra for fibers in G#1 and G#2 showing the different loss trends in the short-wavelength range. b Normalization of the measured fiber loss with respect to the fiber core radius (Rco). c Study of the impact of transverse roughness on the CL. Here the considered SR-TL HCPCF has a core radius of 13.5 μm and a tubes thickness of 0.6 μm. Loss source breakdown for the representative fibers in d G#1 and e G#2. CL confinement loss, MBL microbending loss, SSL surface scattering loss, TL total loss.
