High Brightness Fiber Coupled Diode Laser Module

WANG Peng-cheng; DENG Yong-li; ZHANG Li-ping; HAO Ming-ming; ZHU Hong-bo; WANG Li-jun

doi:10.3788/fgxb20123312.1335

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High Brightness Fiber Coupled Diode Laser Module

更新时间：2020-08-12

- High Brightness Fiber Coupled Diode Laser Module
- Chinese Journal of Luminescence Vol. 33, Issue 12, Pages: 1335-1341(2012)
- 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. 中国科学院大学北京,100049
  3. 广州中国科学院工业技术研究院,广东广州,511458
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123312.1335
  CLC： TN248.4
- Received：07 May 2012，
  
  Revised：11 June 2012，
  
  Published：10 December 2012
- 稿件说明：
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王鹏程, 邓永丽, 张立平, 郝明明, 朱洪波, 王立军. 高亮度半导体激光阵列光纤耦合模块[J]. 发光学报, 2012,33(12): 1335-1341

WANG Peng-cheng, DENG Yong-li, ZHANG Li-ping, HAO Ming-ming, ZHU Hong-bo, WANG Li-jun. High Brightness Fiber Coupled Diode Laser Module[J]. Chinese Journal of Luminescence, 2012,33(12): 1335-1341
王鹏程, 邓永丽, 张立平, 郝明明, 朱洪波, 王立军. 高亮度半导体激光阵列光纤耦合模块[J]. 发光学报, 2012,33(12): 1335-1341 DOI： 10.3788/fgxb20123312.1335.

WANG Peng-cheng, DENG Yong-li, ZHANG Li-ping, HAO Ming-ming, ZHU Hong-bo, WANG Li-jun. High Brightness Fiber Coupled Diode Laser Module[J]. Chinese Journal of Luminescence, 2012,33(12): 1335-1341 DOI： 10.3788/fgxb20123312.1335.

摘要

利用2只915 nm半导体激光短列阵作为子模块

设计并研制出连续输出的高亮度光纤耦合模块。首先对每个半导体激光短列阵进行光束整形

从而提高它的光束质量;然后采用空间复用技术将这两个半导体激光短列阵出射的激光在光参数积小的方向上叠加

并利用偏振复用技术进一步提高光束质量;最后利用单片非球面透镜将激光聚焦到芯径为100 μm、数值孔径为0.22的光纤中。测量结果显示:在工作电流为52.5 A时

聚焦镜焦平面的光斑尺寸为105.4 μm;耦合后测量光纤出光功率可达72.6 W

对应亮度为6.08 MW/(cm

·sr)

模块的电光转换效率为42.2%。最后测量了模块在不同驱动电流时的光谱

证明该模块的散热性能良好。

Abstract

Two 915 nm diode laser short bars were used as sub-module to manufacture high brightness fiber coupled module with continuous wave(CW) output power. Firstly

beam shaping technology was employed for each sub-module to enhance its beam quality. Secondly

the two beams were stacked in direction of lower beam parameter product by means of spatial multiplexing technology. Finally

the laser was focusing into a multimode fiber with 200 μm core diameter and

=0.22 by optimized lens by focusing lens. Experiment results show that the beam waist diameter at focal plane is 105.4 μm when driving current is 52.5 A

the optical power output from fiber can reach to 72.6 W with a brightness of 6.08 MW/(cm

·sr)

and the wallplug efficiency is 42.2% when driving current is 52.5 A. The character of heat dissipation was studied by means of measuring spectrum with different current

and the results prove that the module has favorable heat dissipation.

关键词

Keywords

references

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Related Institution

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Graduate University of Chinese Academy of Sciences, Beijing 100039, China

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