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以全矢量波动方程理论为基础精确地推导出HOF中矢量模式的色散关系表达式,电场分量Hz和Ez在空心、纤芯以及包层区域的表达式;并推导出模式的传播常数以及导模的横向电场的表达式;在此基础上,重点分析研究了改变空心光纤的主要参数对模式特性产生的影响,包括:有效折射率与波长、空心半径、纤芯厚度之间的关系以及包层数量的变化对模式特性的影响规律,为进一步研究和扩展空心光纤的应用提供了依据。
Based on the theory of full vector wave equation, the dispersion relational expression of vector mode in HOF and the expression of electric field components Hz and Ez in hollow, core and cladding region were deduced accurately. The propagation constants Based on the analysis, the influence of changing the main parameters of the hollow fiber on the mode characteristics is analyzed, including the relationship between the effective refractive index and the wavelength, the radius of the hollow core and the thickness of the core, The influence of quantity and quantity on the mode characteristics provides the basis for further research and expansion of hollow fiber applications.