| W型色散光纤带通滤波特性的研究 |
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| 引用本文： | 宋鹏,季敏宁,余燕. W型色散光纤带通滤波特性的研究[J]. 光学学报, 2011, 0(1): 66-72 |
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| 作者姓名： | 宋鹏 季敏宁 余燕 |
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| 作者单位： | 上海大学电子物理研究所;上海大学特种光纤与光接入网省部共建重点实验室; |
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| 基金项目： | 上海市教委创新基金(09YZ31); 国家自然科学基金(60777031); 上海市重点学科和科委重点实验室项目(S30108,08DZ2231100)资助课题 |
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| 摘 要： | 结合色散光纤在线滤波和W型光纤的长波长截止性能,研究了W型色散光纤的带通滤波特性.选取SiO2作为纤芯,一定掺杂浓度的SiO2-F和SiO2-B2O3分别作为内外包层,经过设计,实现了带通滤波功能.通过有限元法仿真及数值计算,得出了基模的能量损耗谱及通带内外各个波长处的横截面能量分布图,其截止波长和带宽可以通过控制掺杂...
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| 关 键 词： | 光纤光学 带通滤波 有限元法 W型色散光纤 |
Study of Band-Pass Filtering Characteristics of W-Type Dispersive Fibers |
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| Song Peng, Ji Minning, Yu Yan. Study of Band-Pass Filtering Characteristics of W-Type Dispersive Fibers[J]. Acta Optica Sinica, 2011, 0(1): 66-72 |
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| Authors: | Song Peng Ji Minning Yu Yan |
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| Affiliation: | Song Peng1,2 Ji Minning1,2 Yu Yan1,21Institute of Electronic Physics,Shanghai University,Shanghai 201800,China2Key Laboratory of Specialty Fiber Optics and Optical Access Networks,Shanghia 200072,China |
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| Abstract: | Band-pass filtering characteristics of W-type dispersive fiber are studied by combining online filtering dispersive optical fiber with W-type fiber which is long wavelength cutoff.A band-pass filter can be achieved by appropriate structure composed of SiO2 core,SiO2-F inner cladding and SiO2-B2O3 outer cladding respectively.According to finite element method simulation and numerical calculation,energy loss of fundamental mode and energy distributions at some wavelength of the stopped band or passband can be... |
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| Keywords: | fiber optics band-pass filter finite element method W-type dispersive fiber |
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