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空心光束尺寸的精确调控

朱清智 吴逢铁 胡润 冯聪

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空心光束尺寸的精确调控

朱清智, 吴逢铁, 胡润, 冯聪

Precise controll of hollow beam size

Zhu Qing-Zhi, Wu Feng-Tie, Hu Run, Feng Cong
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  • 提出一种利用环缝精确调控空心光束尺寸的新方法. 首先用环缝和旋转毛玻璃产生非相干准单色的环形光源,再经过薄透镜聚焦后产生空间相干度按第一类零阶贝塞尔函数分布的贝塞尔-谢尔模型光场,最后通过轴棱锥对贝塞尔-谢尔模型光场的线聚焦,产生空心光束. 通过改变环缝大小控制非相干环形光源尺寸,对贝塞尔-谢尔模型光场的空间相干度分布进行调制,从而精确控制空心光束尺寸. 应用广义衍射积分理论以及贝塞尔-谢尔模型描述该光学系统所产生的光场分布. 设计相关实验进行验证,理论分析、数值模拟与实验结果相符合. 该研究成果对不同尺寸粒子的微操控提供有力的手段.
    A novel technique to generate precisely size-controlled hollow beams by controlling the diameter of circular slit is proposed. Firstly, a laser beam is transformed into a quasi-monochromatic incoherent annular source by a rotating ground-glass disk and circular slit. Then, after passing through a thin converging lens, a J0-correlated Schell-model beam is synthesized by placing the annular incoherent source in the first focal plane of the thin lens. Finally, a partially coherent hollow beam is generated by focusing the J0-correlated Schell-model beam with an axicon. Based on the diffraction theory and the propagation law of partially coherent beams, the cross-spectral density function is derived to calculate the intensity distribution of the cross section and the radial intensity distribution along the propagation axis behind the axicon. By carrying out the theoretical calculation, the proposed optical system generates a partially hollow beam, and the size of the hollow beam expands continuously as the propagation distance increases. Before further investigating the effect of the diameter of incoherent annular source on the hollow beam behind the axicon, we also calculate the intensity distribution of the cross section and the size of hollow beams along the propagation axis at z=70 mm with the source diameters being 1, 2, 3, 4 and 5 mm, respectively. Results show that the size of the hollow beam also increases with the diameter of incoherent annular source increasing. In this case, the size of the hollow beam can be precisely controlled by tuning the diameter of incoherent annular source through circular slit. We also design and conduct an experimental generation of the hollow beam and investigate the propagation properties. In the experiment, we control the diameter of the annular source by tuning the diameter of the circular slit located before the rotating ground-glass disk. And the diameter of the annular source is equal to that of the circular slits. When the sizes of circular slits are 1, 2, 3, 4 and 5 mm, respectively, the corresponding hollow beams are measured by CCD. Experimental results show that the size of hollow beam can be controlled by the propagation distance and the diameter of the circular slit. The intensity profiles are in good agreement with theoretical predictions. Therefore, the size of hollow beams can be precisely generated and controlled by the proposed system so that the optical system can be flexibly employed in optical trapping and manipulation of particles with different sizes. The results may provide a powerful tool for manipulating the micro- and nano-particles.
      通信作者: 吴逢铁, fengtie@hqu.edu.cn
    • 基金项目: 国家自然科学基金(批准号:61178015)、福建省科技重大项目(批准号:2016H6016)和泉州市科技重点项目(批准号:2014Z127)资助的课题.
      Corresponding author: Wu Feng-Tie, fengtie@hqu.edu.cn
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61178015), the Technology Key Project of Fujian Province, China (Grant No. 2016H6016), and the Technology Key Project of Quanzhou City, China (Grant No. 2014Z127).
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    He X, Wu F T, Chen Z, Pu J, Chavez-Cerda S 2016 J. Opt. 18 055605

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    Heckenberg N R, Mcduff R, Smith C P, White A G 1992 Opt. Lett. 17 221

    [16]

    Du T J, Wang T, Wu F T 2013 Acta Phys. Sin. 62 134103 (in Chinese) [杜团结, 王涛, 吴逢铁 2013 物理学报 62 134103]

    [17]

    Zhu Q Z, Shen D H, Wu F T, He X 2016 Acta Phys. Sin. 65 044103 (in Chinese) [朱清智, 沈栋辉, 吴逢铁, 何西 2016 物理学报 65 044103]

    [18]

    Gori F, Guattari G, Padovani C 1987 Opt. Commun. 64 311

    [19]

    Borghi R 1999 IEEE J. Quantum Electron. 35 849

    [20]

    Wang X, Yao M, Qiu Z, Yi X, Liu Z 2015 Opt. Express 23 12508

    [21]

    Avramov-zamurovic S, Nelson C, Guth S, Korotkova O, Malek-Madani R 2016 Opt. Commun. 359 207

    [22]

    Rao L, Zheng X, Wang Z, Yei P 2008 Opt. Commun. 281 1358

    [23]

    Li J, Gao X, Chen Y 2012 Opt. Commun. 285 3403

    [24]

    Turunen J, Vasara A, Friberg A T 1991 J. Opt. Soc. Am. A 8 282

    [25]

    Born M, Wolf E (translated by Yang J S) 2009 Principle of Optics (Beijing: Publishing House of Electronics Industry) pp474-486 (in Chinese) [玻恩, 沃尔夫 著 (杨葭孙 译) 2009 光学原理 (北京: 电子工业出版社) 第474-486页]

  • [1]

    Pesce G, Volpe G, Marag O M, Jones P H, Gigan S, Sasso A, Volpe G 2015 J. Opt. Soc. Am. B 32 B84

    [2]

    Redding B, Pan Y L 2015 Opt. Lett. 40 2798

    [3]

    Marag O M, Jones P H, Gucciardi P G, Volpe G, Ferrari A C 2013 Nat. Nanotechnol. 8 807

    [4]

    Lee K, Danilina A V, Kinnunen M, Priezzhev A V, Meglinski I 2016 IEEE J. Sel. Top. Quantum Electron. 22 7000106

    [5]

    Liu P, L B 2007 Opt. Commun. 272 1

    [6]

    Xu P, He X, Wang J, Zhan M 2010 Opt. Lett. 35 2164

    [7]

    Eckerskorn N, Li L, Kirian R A, Kpper J, DePonte D P, Krolikowski W, Lee W M, Chapman H N, Rode A V 2013 Opt. Express 21 30492

    [8]

    Porfirev A P, Skidanov R V 2015 Opt. Express 23 8373

    [9]

    Turpin A, Polo J, Loiko Y V, Kber J, Schmaltz F, Kalkandjiev T K, Ahufinger V, Birkl G, Mompart J 2015 Opt. Express 23 1638

    [10]

    Shi J Z, Xu T, Zhou Q Q, Ji X M, Yin J P 2015 Acta Phys. Sin. 64 234209 (in Chinese) [施建珍, 许田, 周巧巧, 纪宪明, 印建平 2015 物理学报 64 234209]

    [11]

    Gao W, Hu X, Sun D, Li J 2012 Opt. Express 20 20715

    [12]

    Li P, Zhu Q Z, Wu F T 2015 Acta Opt. Sin. 35 0422004 (in Chinese) [李攀, 朱清智, 吴逢铁 2015 光学学报 35 0422004]

    [13]

    He X, Wu F T, Li P, Chen Z Y 2014 Sci. China: Phys. Mech. Astron. 44 705 (in Chinese) [何西, 吴逢铁, 李攀,陈姿言2014 中国科学: 物理学力学天文学44 705]

    [14]

    He X, Wu F T, Chen Z, Pu J, Chavez-Cerda S 2016 J. Opt. 18 055605

    [15]

    Heckenberg N R, Mcduff R, Smith C P, White A G 1992 Opt. Lett. 17 221

    [16]

    Du T J, Wang T, Wu F T 2013 Acta Phys. Sin. 62 134103 (in Chinese) [杜团结, 王涛, 吴逢铁 2013 物理学报 62 134103]

    [17]

    Zhu Q Z, Shen D H, Wu F T, He X 2016 Acta Phys. Sin. 65 044103 (in Chinese) [朱清智, 沈栋辉, 吴逢铁, 何西 2016 物理学报 65 044103]

    [18]

    Gori F, Guattari G, Padovani C 1987 Opt. Commun. 64 311

    [19]

    Borghi R 1999 IEEE J. Quantum Electron. 35 849

    [20]

    Wang X, Yao M, Qiu Z, Yi X, Liu Z 2015 Opt. Express 23 12508

    [21]

    Avramov-zamurovic S, Nelson C, Guth S, Korotkova O, Malek-Madani R 2016 Opt. Commun. 359 207

    [22]

    Rao L, Zheng X, Wang Z, Yei P 2008 Opt. Commun. 281 1358

    [23]

    Li J, Gao X, Chen Y 2012 Opt. Commun. 285 3403

    [24]

    Turunen J, Vasara A, Friberg A T 1991 J. Opt. Soc. Am. A 8 282

    [25]

    Born M, Wolf E (translated by Yang J S) 2009 Principle of Optics (Beijing: Publishing House of Electronics Industry) pp474-486 (in Chinese) [玻恩, 沃尔夫 著 (杨葭孙 译) 2009 光学原理 (北京: 电子工业出版社) 第474-486页]

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出版历程
  • 收稿日期:  2016-04-15
  • 修回日期:  2016-09-20
  • 刊出日期:  2016-09-05

空心光束尺寸的精确调控

  • 1. 华侨大学信息科学与工程学院, 福建省光传输与变换重点实验室, 厦门 361021
  • 通信作者: 吴逢铁, fengtie@hqu.edu.cn
    基金项目: 国家自然科学基金(批准号:61178015)、福建省科技重大项目(批准号:2016H6016)和泉州市科技重点项目(批准号:2014Z127)资助的课题.

摘要: 提出一种利用环缝精确调控空心光束尺寸的新方法. 首先用环缝和旋转毛玻璃产生非相干准单色的环形光源,再经过薄透镜聚焦后产生空间相干度按第一类零阶贝塞尔函数分布的贝塞尔-谢尔模型光场,最后通过轴棱锥对贝塞尔-谢尔模型光场的线聚焦,产生空心光束. 通过改变环缝大小控制非相干环形光源尺寸,对贝塞尔-谢尔模型光场的空间相干度分布进行调制,从而精确控制空心光束尺寸. 应用广义衍射积分理论以及贝塞尔-谢尔模型描述该光学系统所产生的光场分布. 设计相关实验进行验证,理论分析、数值模拟与实验结果相符合. 该研究成果对不同尺寸粒子的微操控提供有力的手段.

English Abstract

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