| 相干组束自成像腔腔型设计理论研究 |
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| 引用本文： | 陈檬,颜凡江,付洁,李港.相干组束自成像腔腔型设计理论研究[J].北京工业大学学报,2009,35(6). |
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| 作者姓名： | 陈檬 颜凡江 付洁 李港 |
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| 作者单位： | 北京工业大学激光工程研究院,北京,100124;北京工业大学激光工程研究院,北京,100124;北京工业大学激光工程研究院,北京,100124;北京工业大学激光工程研究院,北京,100124 |
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| 摘 要： | 为了更合理地设计光纤组束谐振腔,针对自成像共振腔,用傅里叶光学理论对其进行了分析,并讨论了3种关键元件——傅里叶透镜、滤波器与输出镜的选取方法;提出了用MATLAB进行数值模拟进而得出空间滤波器透过率函数的计算方法.并以2个半径为55 mm且相距为240 mm的圆形光场为例,模拟了经过傅里叶变换后频谱面上的振幅分布和相位分布情况,通过比较相位,得到了两光场的同相位分布图像.同时,根据矩阵传输理论对腔体进行了分析,得到了自成像无源共振腔稳定振荡的必要条件,及振荡光光纤耦合效率最高的条件.
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| 关 键 词： | 相干光 傅里叶光学 空间滤波器 透过率 |
Design Theory of Self-image Cavity of Laser Beam Coherent Combination |
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| CHEN Meng,YAN Fan-jiang,FU Jie,LI Gang.Design Theory of Self-image Cavity of Laser Beam Coherent Combination[J].Journal of Beijing Polytechnic University,2009,35(6). |
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| Authors: | CHEN Meng YAN Fan-jiang FU Jie LI Gang |
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| Affiliation: | Institute of Laser Engineering;Beijing University of Technology;Beijing 100124;China |
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| Abstract: | In order to design more reasonable fiber combining resonator,Fourier optical theory is used to analyze the self-imaging resonator,and the selection method of three key components,including Fourier lens, filter and output mirror,is discussed.Particularly,the paper used MATLAB for numerical simulation and obtained a method of calculation for space filter transmittance function.Then two circular light fields with radius of 55 mm were taken as an example,the distance between the both was 240 mm,and the amplitud... |
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| Keywords: | coherent light Fourier optics spatial filters transmission |
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