| 多光束激光远场干涉实验研究 |
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| 引用本文： | 张曦霞,王会升,朱孟真,杨雪,米朝伟,韦尚方. 多光束激光远场干涉实验研究[J]. 光学与光电技术, 2011, 9(1): 5-8 |
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| 作者姓名： | 张曦霞 王会升 朱孟真 杨雪 米朝伟 韦尚方 |
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| 作者单位： | 1. 武汉军械士官学校理化教研室,湖北,武汉,430075
2. 武汉军械士官学校光电技术研究所,湖北,武汉,430075 |
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| 摘 要： | 设计了多组多孔径光阑,将激光扩束后通过自制的多孔径光阑,获得多光束相干激光光源.基于多光束干涉理论,通过改变不同的光阑,得到多组点状阵列分布的远场干涉图样,结果表明远场中心主瓣具有随着占空比减小能量降低、旁瓣增多的分布规律.实验结果表明,相干源呈正三角形分布时能量集中度较好.对高功率激光相干合成具有一定的参考意义.
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| 关 键 词： | 激光 多光束 阵列 相干合成 |
Experimental Study of Multi-Beam Laser Far-Field Interference |
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| ZHANG Xi-xia,WANG Hui-sheng,ZHU Meng-zhen,YANG Xue,MI Chao-wei,WEI Shang-fang. Experimental Study of Multi-Beam Laser Far-Field Interference[J]. optics&optoelectronic technology, 2011, 9(1): 5-8 |
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| Authors: | ZHANG Xi-xia WANG Hui-sheng ZHU Meng-zhen YANG Xue MI Chao-wei WEI Shang-fang |
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| Affiliation: | 1 Staff Room of Physics,Wuhan Ordnance Non-Commissioned Officer Aademy,Wuhan 430075,China; 2 Opto-Electronics Facility,Wuhan Ordnance Non-Commissioned Officer Academy,Wuhan 430075,China ) |
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| Abstract: | A batch of muti-aperture diaphragm arc designed.Laser beam passes through muti-aperture diaphragm after expanded, and then,multi-beam coherent lasers are attained.Based on multi-beam laser interference theory,by changing mutiaperture diaphragm,the coherent combining intensity distribution of multi-beam laser is observed.The results show that the decrease of duty ratio of output elements will reduce the enegy of the central lobe,and increase the number of side lobes.It is found that the far-field interference intensity distribution is best when coherent elements is on triangle array.The experiment results provide the references for high power laser coherent combining. |
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| Keywords: | laser multi-beam array coherent combination |
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