In this paper, a new photonic crystal fiber with hollow core filled by styrene (PCFS) has been designed for coherent supercontinuum generation. Its main optical characterisitcs are simulated for different lattice microstructure. The PCFS2,0.3 with lattice pitch =2 m, filling factor d/=0.3 and styrene core of diameter of 3.34 m, owning the flat and anomalous dispersion in the near infrared range from 1.33 m, lower confinement loss, higher effective refractive index at pump wavelength, and smaller effective mode area is chosen to invetigate the supercontinuum spectrum (SC). The spectrum broadening of SC depending on the fiber’s length, pump duration and pump energy is simulated and discussed in comperison to that obtained in the photonic crystal fibers with hollow core filled with toluene (PCFT2,0.3).

中文翻译：

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通过在光子晶体光纤芯中填充苯乙烯来扩大超连续谱产生的频谱

在本文中，设计了一种新型的苯乙烯填充空芯光子晶体光纤（PCFS），用于产生相干超连续谱。模拟了不同晶格微观结构的主要光学特性。PCFS2,0.3，晶格间距=2 m，填充因子d/=0.3，苯乙烯核直径为3.34 m，在1.33 m的近红外范围内具有平坦的异常色散，较低的限制损失，泵浦波长下的有效折射率更高，选择更小的有效模式面积来研究超连续谱 (SC)。与在空芯填充甲苯的光子晶体光纤 (PCFT2,0.3) 中获得的结果相比，模拟和讨论了取决于光纤长度、泵浦持续时间和泵浦能量的 SC 的光谱展宽。