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基于大数值孔径环形光锥照明的超分辨光学显微成像方法研究

支绍韬 章海军 张冬仙

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基于大数值孔径环形光锥照明的超分辨光学显微成像方法研究

支绍韬, 章海军, 张冬仙

Super-resolution optical microscopic imaging method based on annular illumination with high numerical aperture

Zhi Shao-Tao, Zhang Hai-Jun, Zhang Dong-Xian
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  • 提出和发展了一种基于大数值孔径环形光锥照明的远场超分辨光学显微成像新方法, 采用将发光二极管(LED)面光源、窄带滤光和环形光锥照明相结合的特种照明方式, 实现超分辨显微成像. 建立了大数值孔径环形光锥照明成像的物理模型, 根据标量衍射理论, 在不同环形光锥照明时, 推导出光学显微系统像面衍射斑光强分布的理论计算公式; 通过Matlab求解和绘图, 得到衍射斑光强的分布图样, 从理论上证明这一成像方法可以有效提高光学显微镜的分辨率; 建立了相应的显微成像系统, 通过实验验证了该方法可有效改善显微镜的成像质量, 显著提高分辨率; 在中心波长450 nm、环形光锥数值孔径1.1251.25时, 实验获得的分辨率至少优于150 nm, 与理论研究结果相符合, 从而证明了这一方法的可行性.
    On the basis of narrow-band filtered annular light-cone illumination with high numerical aperture, a new far-field super-resolution optical microscopic imaging method is proposed, and its physical model is established. Using the scalar diffraction theory, the formula of diffraction intensity in the image plane is derived for annular light-cone illumination and imaging under different numerical apertures. The diffraction patterns are further simulated through the Matlab program, which demonstrates that such a method may significantly increase the microscopic imaging resolution. Experiments have been carried out on a self-build microscopic system, showing that a resolution can be achieved to be better than 150 nm under 450 nm light wavelength and 1.125-1.25 annular numerical apertures. The experimental results are in good agreement with the theoretical predictions, thus proving the feasibility of this microscopic imaging method.
    • 基金项目: 国家自然科学基金(批准号: 51077117)和浙江省自然科学基金(批准号: Z1110196)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51077117), and the Natural Science Foundation of Zhejiang Province, China (Grant No. Z1110196).
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    Fu X, Zhang D X, Zhang H J 2009 Chin. Opt. Lett. 7 891

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    Wang Z Y, Li Q, Zhao J, Guo J H 2000 Acta Phys. Sin. 49 1959 (in Chinese) [王子洋, 李勤, 赵钧, 郭继华 2000 物理学报 49 1959]

    [5]

    Stephens D J, Allan V J 2003 Science 300 82

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    Sales T R M, Morris G M 1997 Opt. Lett. 22 582

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    Yuval G, Bart J V, IAN T Y 2005 Current Opinion in Biotechnology 16 3

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    Hell S W, Wichmann J 1994 Opt. Lett. 19 780

    [9]

    Egner A, Jakobs S, Hell S W 2002 Proc. Natl. Acad. Sci. USA 99 3370

    [10]

    Rust M J, Bates M, Zhuang X W 2006 Nat Methods 3 793

    [11]

    Born M,Wolf E (Translated by Yang J S) 1985 Principles of optics (Beijing: Science Press) pp505—520 (in Chinese) [玻恩, 沃尔夫 著 杨葭孙译 1985 光学原理 (北京: 科学出版社)第505—520页]

    [12]

    Zhao W Q, Chen S S, Feng Z D 2006 Acta Phys.Sin. 55 3363(in Chinese) [赵维谦, 陈珊珊, 冯政德 2006 物理学报 55 3363]

    [13]

    Zhao W Q, Feng Z D, Qiu L R 2007 Chin. Phys. 16 1624

    [14]

    Liu L, Deng X Q, Wang G Y, Xu Z Z 2001 Acta Phys. Sin. 50 48 (in Chinese) [刘力, 邓小强, 王桂英, 徐至展 2001 物理学报 50 48]

    [15]

    Lu S Z, You K M, Chen L Z, Wang Y W 2011 Chin. Phys. B 20 034202

    [16]

    Ramsay E, Serrels K A,Waddie A J, Taghizadeh M R 2008 American J. Phys. 76 1002

  • [1]

    Reimer L 2000 Scanning Electron Microscopy (Berlin: Springer- Verlag) p12

    [2]

    Binnig G, Rohrer H 1982 Helev Phys. Acta 55 726

    [3]

    Fu X, Zhang D X, Zhang H J 2009 Chin. Opt. Lett. 7 891

    [4]

    Wang Z Y, Li Q, Zhao J, Guo J H 2000 Acta Phys. Sin. 49 1959 (in Chinese) [王子洋, 李勤, 赵钧, 郭继华 2000 物理学报 49 1959]

    [5]

    Stephens D J, Allan V J 2003 Science 300 82

    [6]

    Sales T R M, Morris G M 1997 Opt. Lett. 22 582

    [7]

    Yuval G, Bart J V, IAN T Y 2005 Current Opinion in Biotechnology 16 3

    [8]

    Hell S W, Wichmann J 1994 Opt. Lett. 19 780

    [9]

    Egner A, Jakobs S, Hell S W 2002 Proc. Natl. Acad. Sci. USA 99 3370

    [10]

    Rust M J, Bates M, Zhuang X W 2006 Nat Methods 3 793

    [11]

    Born M,Wolf E (Translated by Yang J S) 1985 Principles of optics (Beijing: Science Press) pp505—520 (in Chinese) [玻恩, 沃尔夫 著 杨葭孙译 1985 光学原理 (北京: 科学出版社)第505—520页]

    [12]

    Zhao W Q, Chen S S, Feng Z D 2006 Acta Phys.Sin. 55 3363(in Chinese) [赵维谦, 陈珊珊, 冯政德 2006 物理学报 55 3363]

    [13]

    Zhao W Q, Feng Z D, Qiu L R 2007 Chin. Phys. 16 1624

    [14]

    Liu L, Deng X Q, Wang G Y, Xu Z Z 2001 Acta Phys. Sin. 50 48 (in Chinese) [刘力, 邓小强, 王桂英, 徐至展 2001 物理学报 50 48]

    [15]

    Lu S Z, You K M, Chen L Z, Wang Y W 2011 Chin. Phys. B 20 034202

    [16]

    Ramsay E, Serrels K A,Waddie A J, Taghizadeh M R 2008 American J. Phys. 76 1002

计量
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  • PDF下载量:  699
  • 被引次数: 0
出版历程
  • 收稿日期:  2011-04-07
  • 修回日期:  2011-04-28
  • 刊出日期:  2012-01-05

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