Direct Diode Laser Source for Stainless Sheet Cutting

ZHANG Jun; PENG Hang-yu; ZHU Hong-bo; QIN Li; NING Yong-qiang; WANG Li-jun

doi:10.3788/fgxb20153610.1188

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Direct Diode Laser Source for Stainless Sheet Cutting

更新时间：2020-08-12

- Direct Diode Laser Source for Stainless Sheet Cutting
- Chinese Journal of Luminescence Vol. 36, Issue 10, Pages: 1188-1194(2015)
- 作者机构：
  
  发光学及应用国家重点实验室中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20153610.1188
  CLC： TN248.4
- Received：02 June 2015，
  
  Revised：11 August 2015，
  
  Published：10 October 2015
- 稿件说明：
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张俊, 彭航宇, 朱洪波等. 用于不锈钢薄板切割的直接半导体激光源[J]. 发光学报, 2015,36(10): 1188-1194

ZHANG Jun, PENG Hang-yu, ZHU Hong-bo etc. Direct Diode Laser Source for Stainless Sheet Cutting[J]. Chinese Journal of Luminescence, 2015,36(10): 1188-1194
张俊, 彭航宇, 朱洪波等. 用于不锈钢薄板切割的直接半导体激光源[J]. 发光学报, 2015,36(10): 1188-1194 DOI： 10.3788/fgxb20153610.1188.

ZHANG Jun, PENG Hang-yu, ZHU Hong-bo etc. Direct Diode Laser Source for Stainless Sheet Cutting[J]. Chinese Journal of Luminescence, 2015,36(10): 1188-1194 DOI： 10.3788/fgxb20153610.1188.

摘要

针对高功率半导体激光器存在的光束质量差、单元功率低的缺点

利用合束技术来提高激光功率及光束质量

配合QBH光纤前端帽优化聚焦镜以实现高效耦合。采用11个条宽5.4 mm的迷你线阵合束

通过光束整形、空间合束、偏振合束和波长合束

聚焦耦合进200 m/0.2光纤。在50 A电流下

实现连续386 W输出

功率密度为1.23 MW/cm

电光效率为43.6%。在200 W的功率下

该激光器可以切割厚度为1 mm的不锈钢薄板。

Abstract

11 mini-bars with a width of 5.4 mm were coupled into a 200 m/0.2 QBH fiber by beam shaping

spatial overlapping

polarization multiplexing

and wavelength multiplexing. The diode laser source with a continuous wavelength power of 386 W

a power density of 1.23 MW/cm

and the electro-optical (E-O) efficiency of 43.6% at 50 A emitting from the fiber is developed. This laser source has been employed to directly cut the stainless sheet with the thickness of 1 mm at the output power of 200 W.

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Keywords

references

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Related Institution

中国科学院长春光学精密机械与物理研究所

中国科学院大学

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

University of Chinese Academy of Sciences, Beijing 100049, China

Institute of Laser Engineering, Beijing University of Technology

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