| 外腔谱组束耦合效率及光束质量的研究 |
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| 引用本文： | 庄茂录,占生宝.外腔谱组束耦合效率及光束质量的研究[J].半导体光电,2011,32(2):187-191. |
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| 作者姓名： | 庄茂录 占生宝 |
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| 作者单位： | 空军大连通信士官学校,辽宁,大连,116600;空军工程大学,电讯工程学院,西安,710077 |
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| 摘 要： | 基于外腔谱组束模型,详细分析了影响外腔谱组束耦合效率和光束质量的因素。结果表明:在存在Y偏移的情况下,耦合效率随光斑半径的增大而增加;在组束阵元数增加的情况下,优化组束阵列的耦合效率明显提高;使用外腔谱组束,为提高耦合效率和光束质量,应尽量选择焦距较长的传输透镜以及光斑半径较大的激光器。
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| 关 键 词： | 光纤激光器 谱组束 耦合效率 光束质量 |
Study on Coupling Efficiency and Beam Quality of Spectral Beam in External Cavity |
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| ZHUANG Maolu,ZHAN Shengbao.Study on Coupling Efficiency and Beam Quality of Spectral Beam in External Cavity[J].Semiconductor Optoelectronics,2011,32(2):187-191. |
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| Authors: | ZHUANG Maolu ZHAN Shengbao |
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| Institution: | ZHUANG Maolu1,ZHAN Shengbao2 (1.Dalian Air Force Communication NCO Academy,Dalian 116600,CHN,2.Telecommunication Engineering Institute,Air Force Engineering University,Xi'an 710077,CHN) |
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| Abstract: | Based on the spectral beam combining model,the factors influencing coupling efficiency and beam quality in an external cavity were analyzed in detail.The analytical results show that the coupling efficiency increases with the beam waist diameters when the fiber laser array elements are arranged as a linear laser arrays with offset Y,and the coupling efficiency for the optimized arrays will increase evidently.This investigation further shows that the lens with long focus has to be used for spectral beam comb... |
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| Keywords: | fiber laser spectral beam combining coupling efficiency beam quality |
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