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

Journal of Applied Sciences ›› 2018, Vol. 36 ›› Issue (3): 443-450.doi: 10.3969/j.issn.0255-8297.2018.03.004

• Communication Engineering • Previous Articles Next Articles

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

Abstract

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

CLC Number:

TN389

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

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