Computer simulation and experiment research about optical beam characteristics of semiconductor laser

GAN Qiao-qiang; ZHU Xiao-peng; PAN Xue-jian; DENG Jie; SONG Guo-feng; CHEN Liang-hui

LASER TECHNOLOGY > 2004 > 28(3): 298-302.

GAN Qiao-qiang, ZHU Xiao-peng, PAN Xue-jian, DENG Jie, SONG Guo-feng, CHEN Liang-hui. Computer simulation and experiment research about optical beam characteristics of semiconductor laser[J]. LASER TECHNOLOGY, 2004, 28(3): 298-302.

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Computer simulation and experiment research about optical beam characteristics of semiconductor laser

1.
Department of Material, Fudan University, Shanghai 200433, China;
2.
National Engineering Research Center for Optoelectronic Devices, Institute of Semiconductors, the Chinese Academy of Sciences, Beijing 100083, China;
3.
Department of Computer Science, Nanjing University, Nanjing 210093, China

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Received Date: July 06, 2003
Revised Date: August 21, 2003
Published Date: May 24, 2004

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Abstract

The goal of this article is to present a measuring system which is fast and simple to be applied for the middle or large scale production of semiconductor lasers.The simulation is performed to the near field pattern,far field pattern and divergence angle etc.of the semiconductor laser with the finite difference analysis.A measuring system is built to measure the characteristics.Finally,the experimental system error is analyzed,and an approach to cut down the error is presented.Compared with other methods,this measuring system is simple,fast and precise.
- semiconductor laser,
- optical beam quality,
- far field pattern,
- divergence angle

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