用于不锈钢薄板切割的直接半导体激光源

张俊; 彭航宇; 朱洪波; 秦莉; 宁永强; 王立军

doi:10.3788/fgxb20153610.1188

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用于不锈钢薄板切割的直接半导体激光源

器件制备及器件物理 | 更新时间：2020-08-12

- 用于不锈钢薄板切割的直接半导体激光源
- Direct Diode Laser Source for Stainless Sheet Cutting
- 发光学报 2015年36卷第10期页码：1188-1194
- 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：
  
  科技部重大仪器专项(2011YQ04007702)();国家自然科学基金(61204055,61404137)();中科院院国防青年基金(CXJJ-14-Q57)();
- DOI：10.3788/fgxb20153610.1188
  中图分类号： TN248.4
- 纸质出版日期：2015-10-10，
  
  收稿日期：2015-6-2，
  
  修回日期：2015-8-11，
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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.

关键词

半导体激光器不锈钢薄板切割激光合束光纤耦合

Keywords

diode laserstainless sheet cuttinglaser couplingfiber coupled

references

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Wolf P, Khler B, Rotter K, et al. High-power, high-brightness and low-weight fiber coupled diode laser device [J]. SPIE, 2011, 7918:79180O-1-9.

HeinemannS, Lewis B, Regaard B, et al. Single emitter based diode lasers with high brightness, high power and narrow linewidth [J]. SPIE, 2011, 7918:79180M-1-11.

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Bachmann F, Loosen P, Poprawe R. High Power Diode Lasers Technology and Applications [M]. New York: Springer, 2007:387-403.

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GhanyK A, Newishy M. Cutting of 1.2 mm thick austenitic stainless steel sheet using pulsed and CW Nd:YAG laser [J]. J. Mater. Process. Technol., 2005, 168(3):438-447.

Paul S S, Vinay S J. Analysis of heat-affected zone formation for laser cutting of stainless steel [J]. J. Mater. Process. Technol., 1995, 53(3):879-892.

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