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基于组合透镜与渐变折射率光纤改进激光器耦合效率的新方法
  • ISSN号：1000-3290
  • 期刊名称：Acta Physica Sinica
  • 时间：2012.8.23
  • 页码：205-212
  • 分类：TN253[电子电信—物理电子学]
  • 作者机构：[1]北京交通大学光波技术研究所,北京100044, [2]全光网络与现代通信网教育部重点实验室,北京100044, [3]邢台学院物理系,邢台054001
  • 相关基金：国家自然科学基金（批准号：60877042,61077069）、河北省高等学校技术研究指导项目（批准号：Z2011201）和邢台市科学技术与发展计划（批准号：2011ZZ052.4）资助的课题.
  • 相关项目：基于全光时域串行编码的快速成像技术的研究
作者： 彭万敬|冯亭|谭思宇|Yan Feng-Ping~(1)2)+) Liu Peng~(3)) Tan Zhong-Wei~|
关键词： 像散, 组合透镜, 光束整形, 耦合, astigmatism, synthesized lens, beam shaping, coupling
中文摘要：

提出一种利用组合透镜系统与渐变折射率光纤相结合改进激光器管芯到单模尾纤耦合性能的新方法．这种方法首先利用组合透镜系统对具有像散的激光器输出光束进行整形，然后采用渐变折射率光纤对整形后的光束进行聚焦处理，并将处理后的的光束耦合进入普通单模光纤．利用Jones矩阵理论分析表明，采用这种方法可以得到86％的功率耦合效率，1dB插入损耗对应的渐变折射率光纤长度、横向偏移和倾斜角容差分别为60um，30um和2．4°，且结构简单，便于操作，特别适合于大功率激射的激光模块到单模光纤的耦合．对于提高激光器输出功率，改善光束质量具有重要意义．

英文摘要：

In this paper, a novel method of improving coupling effiency of laser diode to single mode fiber based on synthesized lens with graduaed index fiber is provided. The output beam with large astigmatism from laser diode is shaped and focused via synthesized lens and graduaed index fiber, and then couplied into single mode fiber. Analysis using Jones matrix theory indicates that the power coupler effect of 86% is obtained from output port of the single mode fiber. The tolerances for fiber length of graduaed index fiber, radial offset and tilt degree are 60 um, 30 um and 2.4 degree respectivily for 1 dB insert loss. This method can be used for improving the quality of optical beam and increasing output power for laser diode to single mode fiber with a large output optical power.

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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 被引量:49876