| 基于激光拍频实现啁啾光纤光栅色散的测量 |
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| 引用本文： | 王旭,李小康,张豪杰,温泉,陈龙飞,王芳,刘玉芳. 基于激光拍频实现啁啾光纤光栅色散的测量[J]. 光子学报, 2017, 46(2). DOI: 10.3788/gzxb20174602.0214001 |
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| 作者姓名： | 王旭 李小康 张豪杰 温泉 陈龙飞 王芳 刘玉芳 |
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| 作者单位： | 河南师范大学电子与电气工程学院,河南新乡,453007 |
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| 基金项目： | 国家自然科学基金，河南省基础和先进技术研究项目，The National Natural Science Foundation of China，the Basic and Advanced Technology Research Program of Henan Province |
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| 摘 要： | 以啁啾光纤光栅为例,研究了激光拍频的产生机制,并建立对啁啾光纤光栅色散的测量模型.详细阐述了系统结构和测量原理,并对测量结果和理论值进行了分析与比较,结果一致性较好.在频谱分析仪分辨率为2.5kHz的情况下,色散测量准确度可以达到0.1ps,啁啾光纤光栅色散的实际测量也证实了该系统的可行性,系统相对简单,测量准确度高,可为色散测量提供参考.
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| 关 键 词： | 光纤激光 色散 拍频 啁啾光纤光栅 |
Dispersion Measurement of Chirped Fiber Bragg Grating Based on Laser Beat Frequency |
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| WANG Xu,LI Xiao-kang,ZHANG Hao-jie,WEN Quan,CHEN Long-fei,WANG Fang,LIU Yu-fang. Dispersion Measurement of Chirped Fiber Bragg Grating Based on Laser Beat Frequency[J]. Acta Photonica Sinica, 2017, 46(2). DOI: 10.3788/gzxb20174602.0214001 |
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| Authors: | WANG Xu LI Xiao-kang ZHANG Hao-jie WEN Quan CHEN Long-fei WANG Fang LIU Yu-fang |
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| Abstract: | The generation mechanism of the laser beat frequency was studied by using chirped fiber Bragg grating as an example,and a model was established to realize the dispersion measurement of chirped fiber Bragg grating.The system structure and measuring principle are detailed demonstrated.The measurement results and the theoretical values are analyzed and compared,as a result,they are in good consistency.The accuracy of the dispersion measurement reaches to 0.1 ps at the spectrum analyzer resolution of 2.5 kHz.The dispersion measurement of chirped fiber Bragg grating confirms the feasibility of the system,at the same time,the system is relatively simple and highly accuracy.So it is expected to provide reference for the dispersion measurement. |
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| Keywords: | Fiber laser Dispersion Beat frequency Chirped fiber Bragg grating |
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