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用全矢量平面波法计算三角结构光子晶体光纤的带隙.用透射法测量了自制的空芯光子晶体光纤的透射谱,得到了它在可见光波段透射强度与波长的关系,并在随后的实验中观测到了传光的模场图.通过理论模拟了实验所用的空芯光子晶体光纤的带隙图,与实验结果具有较好的一致性.
The band gap of the triangular structured photonic crystal fiber was calculated by the full vectorial plane wave method.The transmission spectrum of self-made hollow-core photonic crystal fiber was measured by transmission method and the relationship between the transmission intensity and the wavelength in the visible band was obtained. In the subsequent experiment The mode field diagram of the light transmission was observed, and the band gap diagram of the hollow core photonic crystal fiber used in the experiment was simulated theoretically with good agreement with the experimental results.