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非零色散位移光纤的制造新工艺研究

Study of Novel Fabrication Process for Non-Zero Dispersion-Shifted Fibers

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摘要

介绍了一种新的改进化学气相沉积法(MCVD)+气相轴向沉积法(VAD)预制棒制备工艺,该工艺按照归一化波导结构进行工艺设计和参数控制,即采用MCVD法制备归一化结构参数轴向一致的芯棒,然后采用VAD法轴向沉积相应的外包层,从而得到波导结构轴向均匀一致的预制棒。采用新工艺实验研究了非零色散位移光纤的制造过程,成功制造了波导结构均匀的光纤预制棒,有效地利用预制棒的锥度增加有效长度,光纤的生产效率提高约15%,节省了成本。详细分析了该工艺方法的三个关键环节:芯棒归一化结构制备,芯棒收缩比的设定,VAD松散体沉积。研究结果对非零色散位移光纤的生产具有实际的指导意义。

Abstract

A novel preform fabrication process for non-zero dispersion-shifted fibers using hybrid modified chemical vapor deposition (MCVD)+ vapor axial deposition (VAD) technique is presented. The new design concept of the hybrid process is based on the normalized waveguide structure of the fiber, whereby fabricating core preforms with homogeneous normalized waveguide using MCVD process and out-cladding using axis control technique via VAD process to realize a homogeneous waveguide along axis of the preform. The manufacturing process of non-zero dispersion-shifted fibers is experimentally studied and the results show that preforms with homogeneous waveguide are fabricated successfully, with effective use of the taper of the preforms to increase the preform length, achieving about 15% increase of fiber production efficiency and cost reduction. Three key procedures in the hybrid fabrication process are discussed in detail, including the fabrication of normalized structure, the initialization of constriction ratio of core preform and the soot deposition via VAD process. The results provide a useful guideline for practical fabrication of non-zero dispersion-shifted fibers.

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中图分类号:TN818

DOI:10.3788/aos201131.0806008

所属栏目:光纤光学与光通信

收稿日期:2011-03-30

修改稿日期:2011-04-30

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吴金东:成都富通光通信技术有限公司, 四川 成都 611731浙江大学光电系现代光学仪器国家重点实验室, 浙江 杭州 310027
李庆国:成都富通光通信技术有限公司, 四川 成都 611731
吴雯雯:成都富通光通信技术有限公司, 四川 成都 611731
孙可元:成都富通光通信技术有限公司, 四川 成都 611731
陈海斌:成都富通光通信技术有限公司, 四川 成都 611731
李强:成都富通光通信技术有限公司, 四川 成都 611731
吴兴坤:浙江大学光电系现代光学仪器国家重点实验室, 浙江 杭州 310027

联系人作者:吴金东(wjd3699@sina.com)

备注:吴金东(1968—),男,博士研究生,主要从事新型光纤的设计与制备方面的研究。

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引用该论文

Wu Jindong,Li Qingguo,Wu Wenwen,Sun Keyuan,Chen Haibin,Li Qiang,Wu Xingkun. Study of Novel Fabrication Process for Non-Zero Dispersion-Shifted Fibers[J]. Acta Optica Sinica, 2011, 31(8): 0806008

吴金东,李庆国,吴雯雯,孙可元,陈海斌,李强,吴兴坤. 非零色散位移光纤的制造新工艺研究[J]. 光学学报, 2011, 31(8): 0806008

被引情况

【1】赵恩铭,苑立波,田凤军,杨元元. 熔嵌式多芯中空光纤制备方法及其双折射特性. 光学学报, 2013, 33(2): 206006--1

【2】邓大鹏,曹东东,廖晓闽,林初善,李将. 一种全光信号优化结构的设计与实现. 中国激光, 2013, 40(6): 605008--1

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