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使用光学聚合物微透镜实现高速亚微米显微镜
          
High speed sub-micrometric microscopy using optical polymer microlens

摘    要
在光纤末梢集成了低成本的聚合物透镜,利用它实现了高速扫描亚微米显微镜(SSM)。这种微透镜是用自由基光聚合方法制成的。用曲率半径为250nm的聚合物微透镜,对亚微米级的金图案进行了SSM成像。实验中采用了各种不同的从探头到样品的距离,扫描速度高达200 cm/s。在532 nm波长时,以250 nm的光学空间分辨率给出了金属吸收对比像。针对不同形状和高度的微透镜,对焦距的有限差分时域模拟结果支持了实验数据。
标    签 微透镜,聚合物,显微镜   130.0130   160.0160   180.0180  
 
Abstract
We report the high speed scanning submicronic microscopy (SSM) using a low cost polymer microlens integrated at the extremity of an optical fiber. These microlenses are fabricated by a free-radical photopolymerization method. Using a polymer microlens with a radius of curvature of 250 nm, a sub-micrometric gold pattern is imaged experimentally by SSM. Different distances between the tip and the sample are used with a high scanning speed of 200 cm/s. In particular, metallic absorption contrasts are described with an optical spatial resolution of 250 nm at the wavelength of 532 nm. Moreover, finite-difference time-domain (FDTD) simulations concerning the focal lengths of microlenses with different geometries and heights support the experimental data.

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收稿日期 2009/7/14

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备注X. H. Zeng thanks the CSC-UT/INSA Program for the PhD financial support.

引用该论文: X. H. Zeng,J. Plain,S. Jradi,P. Renaud Goud,R. Deturche,P. Royer,R. Bachelot. High speed sub-micrometric microscopy using optical polymer microlens[J]. 中国光学快报, 2009, 7(10): 901~903


被引情况:


【1】李恒,邵永红,王岩,屈军乐,安莹,牛憨笨, "基于微透镜阵列和振镜扫描的光谱分辨多焦点多光子显微技术",中国激光 37, 1240-1244(2010)



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参考文献
【1】R. Bachelot, C. Ecoffet, D. Deloeil, P. Royer, and D.-J. Lougnot, Appl. Opt. 40, 5860 (2001).
 
【2】J. P. Fillard, M. Castagne, and C. Prioleau, Appl. Opt. 34, 3737 (1995).
 
【3】H. L. Ren, C. Jiang, W. S. Hua, M. Y. Gao, J. Y. Wang, H. Wang, J. T. He, and E. J. Liang, Opt. Laser Technol. 39, 1025 (2007).
 
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【5】R. Stokle, C. Fokas, and V. Deckert, Appl. Phys. Lett. 75, 160 (1999).
 
【6】P. Lambelet, A. Sayah, M. Pfeffer, C. Philipona, and F. Marquis-Weible, Appl. Opt. 37, 7289 (1998).
 
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