Cao Yuan, Xu Guanjie, Sun Yuxin, et al. Research on a novel bend-resistant single-mode photonic crystal fiber[J]. 2015,(2):39-42. DOI: 10.13756/j.gtxyj.2015.02.012.
A novel bend-resistant single-mode photonic crystal fiber in a symmetrical structure is proposed in this paper.The single-mode and bending properties of the fiber are analyzed by using the full-vector finite element method.The fiber is in single-mode operation at 1 550 nm.The bending loss is only 8.73×10-5 dB/turn when the bending radius is 5 mm and it is2.38×10-4dB/turn when the minimum bending radius is 4.5mm.In addition
no matter whether the fiber is bended or not
the mode field area and chromatic dispersion are maintained at about 61μm2 and 11.13ps/(nm·km)respectively at 1 550 nm
well matched with the conventional single-mode fibers.