| 二极管激光光谱合束技术实验研究 |
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| 引用本文： | 于益,王卫民,鲁燕华,谢刚,彭跃峰.二极管激光光谱合束技术实验研究[J].激光技术,2010,34(1):138-140. |
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| 作者姓名： | 于益 王卫民 鲁燕华 谢刚 彭跃峰 |
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| 作者单位： | 1.中国工程物理研究院, 应用电子学研究所, 绵阳, 621900 |
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| 基金项目： | 中国工程物理研究院基金 |
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| 摘 要： | 为了研究基于光栅-外腔的二极管激光阵列光谱合束,利用存在离轴像差情况下耦合效率模型,数值模拟了系统各参量对耦合效率的影响,可知耦合效率随着离轴距离和横模阶次增加而下降;单个单元将被压窄至0.05nm。应用光栅-外腔实现了单条二极管激光阵列光谱合束,获得了10.1W的连续输出,斜效率为0.45W/A,慢轴方向光束质量因子Mx2=17.6,整个阵列的光谱被展宽到15nm,单个单元的线宽被压窄到0.1nm。结果表明,光谱合束能改善二极管激光阵列的光束质量,压窄单个单元的线宽。
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| 关 键 词： | 激光技术 非相干合束 光谱合束 光栅-外腔 二极管激光 |
| 收稿时间： | 2008-11-25 |
| 修稿时间： | 2009-01-13 |
Experimental Research of spectrally beam combined diode laser based on grating-cavity |
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| YU Yi,WANG Wei-min,LU Yan-hua,XIE Gang,PENG Yue-feng.Experimental Research of spectrally beam combined diode laser based on grating-cavity[J].Laser Technology,2010,34(1):138-140. |
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| Authors: | YU Yi WANG Wei-min LU Yan-hua XIE Gang PENG Yue-feng |
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| Abstract: | Spectral beam combining of diode laser based on grating-cavity was investigated experimentally. LDA comprised of 19 elements was spectrally combined. 10 W under CW operation was measured with a beam quality of Mx2=17.6. With feedback the slope efficiency is 0.45W/A as compared to 0.91W/A for the free-running laser. |
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| Keywords: | laser technique incoherent beam combining spectral beam combining grating-cavity diode laser |
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