| 一种用于激光高效偏光镜出射光的新型缩·扩束棱镜 |
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| 引用本文： | 郑萌萌,吴福全,毕佳.一种用于激光高效偏光镜出射光的新型缩·扩束棱镜[J].临沂师范学院学报,2006,28(3):41-43. |
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| 作者姓名： | 郑萌萌 吴福全 毕佳 |
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| 作者单位： | 曲阜师范大学,激光研究所,山东,曲阜,273165 |
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| 摘 要： | 给出了一种用于调整激光高效偏光镜出射光束间距的新型棱镜,利用光斜入射通过平行均匀介质时会发生光束平移的原理,导出了缩·扩束比与棱镜参数的关系以及棱镜的设计公式．选择光以布儒斯特角入射,使得棱镜具有最佳透射比．通过改变棱镜的边长来调整出射光束的剪切差,从而达到光束的缩·扩束的目的．
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| 关 键 词： | 偏振光学 激光高效偏光镜 光束平移 剪切差 透射比 |
| 文章编号： | 1009-6051(2006)03-0041-03 |
| 修稿时间： | 2006年2月24日 |
A New Type of Polarizer Which Can Scaling or Blooming the Laser High Efficiency Polarizers' Transmission Light |
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| ZHENG Meng-meng,WU Fu-quan,BI Jia.A New Type of Polarizer Which Can Scaling or Blooming the Laser High Efficiency Polarizers'''' Transmission Light[J].Journal of Linyi Teachers' College,2006,28(3):41-43. |
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| Authors: | ZHENG Meng-meng WU Fu-quan BI Jia |
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| Abstract: | This article introduced a new kind polarizer applied in the field of laser high efficiency polarizers' transmission light. Using the principle that when light pass through the parallel, homogenous media, it will move parallel, the relationship between the prism's parameters and the ratio of scaling to blooming the beam is deduced, as well as the design formula of the prism. The Brewster angle of incidence enables the prism has the best transmittance. The shear difference will be adjusted by changing the length of the prism, so that we can achieve the purpose of scaling or blooming the beam. |
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| Keywords: | polarized optics laser high efficiency polarizer beam combination shear difference transmittance |
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