热光耦合作用下的光纤传输特性

周吉; 韩冰; 韩哈斯敖其尔; 马宇

doi:10.3788/fgxb20153601.0121

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热光耦合作用下的光纤传输特性

发光学应用及交叉前沿 | 更新时间：2020-08-12

- 热光耦合作用下的光纤传输特性
- Transmission Charactertistics of Optical Fiber Under Coupled Thermal-optical Effects
- 发光学报 2015年36卷第1期页码：121-127
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 哈尔滨工业大学能源学院,黑龙江哈尔滨,150001
- 作者简介：
- 基金信息：
  
  国家自然科学基金(51176039)资助项目()
- DOI：10.3788/fgxb20153601.0121
  中图分类号： TK124
- 纸质出版日期：2015-1-3，
  
  收稿日期：2014-9-28，
  
  修回日期：2014-11-13，
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周吉, 韩冰, 韩哈斯敖其尔等. 热光耦合作用下的光纤传输特性[J]. 发光学报, 2015,36(1): 121-127

ZHOU Ji, HAN Bing, HAN-Hasiaoqier etc. Transmission Charactertistics of Optical Fiber Under Coupled Thermal-optical Effects[J]. Chinese Journal of Luminescence, 2015,36(1): 121-127
周吉, 韩冰, 韩哈斯敖其尔等. 热光耦合作用下的光纤传输特性[J]. 发光学报, 2015,36(1): 121-127 DOI： 10.3788/fgxb20153601.0121.

ZHOU Ji, HAN Bing, HAN-Hasiaoqier etc. Transmission Charactertistics of Optical Fiber Under Coupled Thermal-optical Effects[J]. Chinese Journal of Luminescence, 2015,36(1): 121-127 DOI： 10.3788/fgxb20153601.0121.

摘要

通过求解电磁波束包络方程和能量方程的耦合方程组

考虑温度对材料介电系数的影响及传输损耗产热的耦合作用

求解了复合热边界条件下光纤的基模态传输和损耗问题。研究表明:随着纤芯半径的增大

电场强度、能量耗散密度减小

传播常数增大;环境温度降低、对流换热系数增大和表面发射率升高都会使得传播常数减小

电场强度、能量耗散密度增大;能量耗散密度和电场强度随截面曲率的变化并不是线性的

还受到其他因素的共同作用。

Abstract

The optical fiber's base-mode transmission and energy loss under integrated thermal boundary conditions were analyzed by using a coupling equation set composed of an electromagnetic beam envelope equation and an energy equation. The impact of the temperature on the material's dielectric coefficient as well as the heat generation induced by energy loss during transmission were taken into account. As the fiber core's radius increases

the electric-field intensity and power dissipation density decrease and the propagation constant increases. Lower ambient temperature

higher convective heat transfer coefficient

and higher surface emissivity can lead to lower propagation constant

higher electric-field intensity

and higher power dissipation density. The changes in power dissipation density and electric-field intensity with the cross-section curvature are not linear and also influenced by other factors.

关键词

光纤基模态传播常数能量耗散密度热光耦合

Keywords

base-mode transmissionpropagation constantpower dissipation densitycoupled thermal-optical effects

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