Effect of absorption characteristic of multimode fiber cladding on the temperature properties of a SMS fiber structure

doi:10.3969/j.issn.1000-1565.2018.05.004

Abstract

Abstract: The theoretical model for analyzing the influence of the temperature-dependent absorption coefficient of multimode fiber cladding on the transmission spectrum of a single mode-multimode-single mode(SMS)fiber structure is founded based on multimode interference principle. The effect rule of absorption characteristics of multimode fiber cladding on the temperature properties of a SMS fiber structure is analyzed further by using the theoretical model. It is found that the absorption characteristic change of multimode fiber cladding only affects on the transmission loss of transmission spectra of a SMS fiber structure at different temperatures. And the change of transmission loss is more obvious when the rate of absorption- DOI:10.3969/j.issn.1000-1565.2018.05.004多模光纤包层吸收特性对SMS光纤结构温度特性的影响张荣香¹,张建飞¹,赵新民²,李红莲³,刘涛⁴,王羽¹(1.河北大学物理科学与技术学院,河北保定 071002;2.易县职业技术教育中心,河北易县 074200;3.河北大学质量技术监督学院,河北保定 071002;4.华北电力大学电子与通信工程系,河北保定 071003)摘要:基于模式干涉原理,建立了分析多模光纤包层吸收系数随温度变化对单模-多模-单模(SMS)光纤结构透射光谱影响的理论模型,利用此模型进一步分析了多模光纤包层吸收特性对SMS光纤结构温度特性的影响规律.发现不同温度下,多模光纤包层的吸收特性变化仅对SMS光纤结构透射光谱的传输损耗有影响,并且随着多模光纤包层吸收系数随温度的变化率增大,传输损耗的变化增大;而不同温度下,多模光纤包层的吸收特性变化对SMS光纤结构透射光谱的特征谷位置没有影响.从而得到多模光纤包层吸收特性主要影响基于传输损耗变化解调的各类SMS光纤传感器的温度特性,而对基于特征波长变化解调的各类SMS光纤传感器的温度特性没有影响.关键词:单模-多模-单模光纤结构;多模光纤包层;吸收特性;特征波长;传输损耗中图分类号:TN253 文献标志码:A 【additional_page=542】文章编号:1000-1565(2018)05-0466-06Effect of absorption characteristic of multimode fiber cladding on the temperature properties of a SMS fiber structureZHANG Rongxiang¹, ZHANG Jianfei¹, ZHAO Xinmin², LI Honglian³, LIU Tao⁴, WANG Yu¹(1. College of Physics Science and Technology, Hebei University, Baoding 071002, China; 2. Yixian Vocational Education, Yixian 074200, China; 3. College of Quality and Technical Supervision, Hebei University, Baoding 071002, China; 4. Department of Electronic and Communication Engineering, North China Electric Power University, Baoding 071003, China)Abstract: The theoretical model for analyzing the influence of the temperature-dependent absorption coefficient of multimode fiber cladding on the transmission spectrum of a single mode-multimode-single mode(SMS)fiber structure is founded based on multimode interference principle. The effect rule of absorption characteristics of multimode fiber cladding on the temperature properties of a SMS fiber structure is analyzed further by using the theoretical model. It is found that the absorption characteristic change of multimode fiber cladding only affects on the transmission loss of transmission spectra of a SMS fiber structure at different temperatures. And the change of transmission loss is more obvious when the rate of absorption- 收稿日期:2018-01-01 基金项目:国家自然科学基金资助项目(61302105);河北省科技计划项目(16455202D);河北省高等学校科学技术研究项目(QN2016093;ZD2014058);河北大学校内人才培养科研项目第一作者:张荣香(1981—),女,河北保定人,河北大学副教授,主要从事光纤传感方向研究.E-mail:zrx@hbu.edu.cn 通信作者:张建飞(1979—),男,河北邢台人,河北大学讲师,主要从事光与物质相互作用方向研究.E-mail: zjf09@hbu.edu.cn第5期张荣香等:多模光纤包层吸收特性对SMS光纤结构温度特性的影响coefficient changing with temperature increases. Nevertheless, the location of feature dip of transmission spectra of a SMS fiber structure is not influenced by the absorption characteristic change of multimode fiber cladding at different temperatures. Thus, the absorption characteristics of multimode fiber cladding mainly effect on the temperature characteristics of SMS fiber sensors based on the change of transmission loss, but have no influence on the temperature characteristics of SMS fiber sensors based on the change of feature wavelength.

Key words: single mode-multimode-single mode fiber structure, multimode fiber cladding, absorption characteristic, feature wavelength, transmission loss

CLC Number:

TN253

ZHANG Rongxiang, ZHANG Jianfei, ZHAO Xinmin, LI Honglian, LIU Tao, WANG Yu. Effect of absorption characteristic of multimode fiber cladding on the temperature properties of a SMS fiber structure[J]. Journal of Hebei University (Natural Science Edition), 2018, 38(5): 466-471.

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