锗芯光纤的CO2激光退火温场分布仿真

doi:10.3969/j.issn.0255-8297.2018.03.004

应用科学学报 ›› 2018, Vol. 36 ›› Issue (3): 443-450.doi: 10.3969/j.issn.0255-8297.2018.03.004

锗芯光纤的CO₂激光退火温场分布仿真

赵子文^1,2,3, 茅煜季哲^1,2,3, 程雪丽^1,2,3, 陈娜^1,2,3, 董艳华^1,2,3, 王廷云^1,2,3

1. 上海大学特种光纤与光接入网重点实验室, 上海 200444;
2. 上海大学特种光纤与先进通信国际合作联合实验室, 上海 200444;
3. 上海大学上海先进通信与数据科学研究院, 上海 200444

收稿日期:2018-01-29 修回日期:2018-03-02 出版日期:2018-05-31 发布日期:2018-05-31
作者简介:赵子文,博士,讲师,研究方向:特种光纤及器件,E-mail:z_zwen@163.com
基金资助:
国家自然科学基金（No.61505103）资助

Simulation of Temperature Field Distribution of CO₂ Laser Annealing Ge Core Fiber

ZHAO Zi-wen^1,2,3, MAO Yu-ji-zhe^1,2,3, CHENG Xue-li^1,2,3, CHEN Na^1,2,3, DONG Yan-hua^1,2,3, WANG Ting-yun^1,2,3

1. Key laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200444, China;
2. Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, China;
3. Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai 200444, China

Received:2018-01-29 Revised:2018-03-02 Online:2018-05-31 Published:2018-05-31

摘要/Abstract

摘要：

用有限元软件COMSOL Multiphysics对锗芯光纤的CO₂激光退火温场分布进行仿真，比较了不同的光纤轴向移动速度和激光功率对锗芯光纤加热区温场分布的影响，初步得出了在不同光纤轴向移动速度条件下对应的较合适的激光功率.对于内径和外径分别为80 μm和300 μm的锗芯光纤，当轴向移动速度为4 mm/s、8 mm/s、12 mm/s、16 mm/s、20 mm/s时，对应较合适激光功率分别为1.5 W、2.0 W、2.5 W、3.5 W、4.0 W.该仿真工作为CO₂激光退火优化锗芯光纤性能实验提供了理论依据.

关键词: 激光功率, 光纤轴线移动速度, 温场分布, CO₂激光, 锗芯光纤

Abstract:

The temperature feld distribution of Ge core fber in the process of CO₂ laser annealing is simulated by using COMSOL Multiphysics. The influences of laser power and fber moving velocity in axial direction on the temperature feld distribution in the laser heating zone are simulated. Accordingly, the proper laser powers corresponding to different moving velocities of fber are preliminarily obtained. For the Ge core fber with the inner diameter of 80 μm and outer diameter of 300 μm, the proper laser powers corresponding to the axial movement velocities of 4 mm/s, 8 mm/s, 12 mm/s, 16 mm/s and 20 mm/s are 1.5 W, 2.0 W, 2.5 W, 3.5 W, and 4.0 W, respectively. The simulation of the paper provides a theoretical basis for optimizing the performance of the Ge core fber by CO₂ laser annealing.

Key words: laser power, CO₂ laser, temperature feld distribution, Ge core fber, axis movement velocity of fber

中图分类号:

TN389

赵子文, 茅煜季哲, 程雪丽, 陈娜, 董艳华, 王廷云. 锗芯光纤的CO₂激光退火温场分布仿真[J]. 应用科学学报, 2018, 36(3): 443-450.

ZHAO Zi-wen, MAO Yu-ji-zhe, CHENG Xue-li, CHEN Na, DONG Yan-hua, WANG Ting-yun. Simulation of Temperature Field Distribution of CO₂ Laser Annealing Ge Core Fiber[J]. Journal of Applied Sciences, 2018, 36(3): 443-450.

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锗芯光纤的CO₂激光退火温场分布仿真

Simulation of Temperature Field Distribution of CO₂ Laser Annealing Ge Core Fiber

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