摘要
通过增加外腔反馈式半导体激光器的激光反馈时间 ,使系统处于混沌状态 ,再采用滑模变结构控制方法实现这种激光器的混沌控制 .该方法的优点是系统既能很快地获得稳定的输出激光 ,又能根据工程需要实现激光输出功率强度的灵活调整 .理论分析和数值计算结果表明控制结果具有很强的稳定性和鲁棒性 .研究结果对改善实际激光系统稳态输出的快速性、输出功率的灵活可调性和能量转换效率有较好的参考价值 .
In this paper, a semiconductor laser with external optical feedback is entered into chaotic motion by increasing the time of the external optical feedback at first. And then, the sliding mode variable structure control scheme is used to control the chaotic motion of this laser system. The advantage of this method is that the stable output laser can be obtained in a short time and the output power strength of the laser can be adjusted flexibly in accordance with the engineering requirement. Theory analysis and simulation results show that the results of the control have powerful stability and robust Our research results have many helpful values to improve the speed of stable output, flexible adjustment of laser output power as well as efficiency of energy transformation for real laser system.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
2005年第2期543-549,共7页
Acta Physica Sinica
基金
国家自然科学基金资助课题 (批准号 :10 2 470 0 5
70 0 70 14 7)
广西"新世纪十百千人才工程"人选专项资金 (批准号 :2 0 0 2 2 2 6)
广西自然科学基金 (批准号 :0 13 5 0 63 )资助的课题~~
