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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.
The structure of colloidal crystal microstructured optical fiber is introduced and the transmission characteristics of microstructured colloidal crystal optical fiber are studied by using the finite difference time domain method. The FDTD model of the structure is established and the transmission spectra of the colloidal crystal optical fiber with different wavelength are calculated. Optical system was used to measure the transmission spectra of colloidal crystal microstructured fibers prepared by experiments and to compare them with the simulated transmission spectra.The results of transmission field distribution of colloidal crystal microstructures show that the colloidal crystals are different Change the optical fiber transmission field distribution under the wavelength.