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胶体晶体微结构光纤传输特性研究
Colloidal photonic crystal microstructure fiber：propagation characteristics analysis
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摘要: 介绍了胶体晶体微结构光纤的结构,采用时域有限差分法研究了微结构胶体晶体光纤的传输特性.建立了该结构的FDTD模型,计算了其透射谱和不同波长的传输场分布.搭建了光学系统,测量了实验制备的胶体晶体微结构光纤的透射谱,并将其与模拟所得透射谱进行比较,具有良好的一致性.胶体晶体微结构光纤的传输场分布结果表明,胶体晶体在不同波长下改变光纤传输场分布.Abstract: In the paper,we describe the structure of colloidal photonic crystal microstructure fiber and investigate the propagation characteristics using the finite-difference time-domain method.A structure model is eastablished to simulate the transmission spectra and propagation field distributions under different wavelengths.Experimental system is built to measure the transmission spectrum of fabricated colloidal photonic crystal microstructure fiber.Experimental result is in good agreement with numerical result.The propagation field distribution result shows that the colloidal crystal changes the propagation mode of optical fiber under different wavelengths.
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