ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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A new near-field phase-correction method for superlens |
Wang Ying-Qi (王瑛琪)a, Ye Jia-Sheng (叶佳声)b, Liu Shu-Tian (刘树田)a, Zhang Yan (张岩)a b |
a Department of Physics, Harbin Institute of Technology, Harbin 150001, China; b Department of Physics, Capital Normal University, Beijing 100048, China |
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Abstract A new phase-correction method in a realistic loss superlens imaging system is theoretically predicted. The image resolution is enhanced using the near-field active phase-correction method. Resolvable separation between two slits has been significantly improved to λ/20 for the symmetrical superlens system and λ/12 for unsymmetrical system.
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Received: 06 April 2012
Revised: 16 April 2013
Accepted manuscript online:
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PACS:
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42.30.Va
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(Image forming and processing)
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42.30.Lr
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(Modulation and optical transfer functions)
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87.57.cf
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(Spatial resolution)
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Fund: Project supported by the National Basic Research Program of China (Grant No. 2011CB301801) and the National Natural Science Foundation of China (Grant Nos. 10904099 and 11174211). |
Corresponding Authors:
Zhang Yan
E-mail: yzhang@mail.cnu.edu.cn
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Cite this article:
Wang Ying-Qi (王瑛琪), Ye Jia-Sheng (叶佳声), Liu Shu-Tian (刘树田), Zhang Yan (张岩) A new near-field phase-correction method for superlens 2013 Chin. Phys. B 22 114202
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