| 计算全息法获取高阶类贝塞尔光束的新设计 |
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| 引用本文： | 朱艳英,沈军峰,窦红星,李云涛,魏勇,徐雪楠.计算全息法获取高阶类贝塞尔光束的新设计[J].光电子．激光,2011(8):1263-1268. |
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| 作者姓名： | 朱艳英 沈军峰 窦红星 李云涛 魏勇 徐雪楠 |
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| 作者单位： | 燕山大学理学院；;燕山大学理学院；;燕山大学理学院；;燕山大学理学院；;燕山大学理学院；;燕山大学理学院； |
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| 基金项目： | 国家自然科学基金资助项目(50875232) |
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| 摘 要： | 基于计算全息法（CGH）以及夫朗禾费衍射近似条件下的衍射理论，设计了获取各阶类贝塞尔空心光束的光栅，通过对光束在径向及其传播方向上的光强分布进行模拟分析，得到光场随着类贝塞尔光束的阶数、传播距离以及径向r的分布规律，得到的空心光束的暗斑尺寸、环状光束宽度和光束半径等表征空心光束特点的参数能更好满足光镊一光钳操作系统要求...
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| 关 键 词： | 激光束传输特性 光镊 计算全息法(CGH) 高阶类贝塞尔空心光束 MATLAB模拟 |
A new design of computer generated holography to obtain high order Bessel-like beam |
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| ZHU Yan-ying,SHEN Jun-feng,DOU Hong-xing,LI Yun-tao,WEI Yong and XU Xue-nan.A new design of computer generated holography to obtain high order Bessel-like beam[J].Journal of Optoelectronics·laser,2011(8):1263-1268. |
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| Authors: | ZHU Yan-ying SHEN Jun-feng DOU Hong-xing LI Yun-tao WEI Yong and XU Xue-nan |
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| Affiliation: | College of Science,Yanshan University,Qinhuangdao 066004,China;College of Science,Yanshan University,Qinhuangdao 066004,China;College of Science,Yanshan University,Qinhuangdao 066004,China;College of Science,Yanshan University,Qinhuangdao 066004,China;College of Science,Yanshan University,Qinhuangdao 066004,China;College of Science,Yanshan University,Qinhuangdao 066004,China |
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| Abstract: | Based on the computer generated holography(CGH) and the diffraction theory with Conflans Wo fee diffraction approximation,the gratings to generate different ordered Bessel-like beams were designed.By means of intensity distribution simulation and analysis,the distribution patterns influenced by exponent number of Bessel-like beam,propagation distance,and radius of beam were obtained.The results proved that the parameters of the obtained hollow beams,like dark spot size,width of ring beam and bea... |
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| Keywords: | laser beam propagation properties optical tweezers computer generated holography(CGH) high order Bessel-like beam MATLAB simulation |
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