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Far-field superlens for nanolithography |
Chen Jian(陈健), Wang Qing-Kang(王庆康),† and Li Hai-Hua(李海华) |
National Key Laboratory of Micro/Nano Fabrication Technology, Key Laboratory for Thin Film and Microfabrication Technology of Ministry of Education, Research Institute of Micro/Nano Science and Technology, Shanghai Jiao Tong University, Shanghai 200240, China |
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Abstract A far-field optical lithography is developed in this paper. By designing the structure of a far-field optical superlens, lithographical resolution can be improved by using a conventional UV light source. The finite different time domain numerical studies indicate that the lithographic resolution at 50~nm line width is achievable with the structure shown in this paper by using 365~nm wavelength light, and the light can be transferred to a far distance in the photoresist.
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Received: 22 June 2009
Revised: 30 July 2009
Accepted manuscript online:
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PACS:
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42.79.Bh
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(Lenses, prisms and mirrors)
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42.82.Bq
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(Design and performance testing of integrated-optical systems)
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42.82.Cr
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(Fabrication techniques; lithography, pattern transfer)
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85.85.+j
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(Micro- and nano-electromechanical systems (MEMS/NEMS) and devices)
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Fund: Project supported by the Shanghai
Committee of Science and Technology of China (Grant No.~0852nm06600)
and the National Natural Science Foundation of China(Grant
No.~60808014). |
Cite this article:
Chen Jian(陈健), Wang Qing-Kang(王庆康), and Li Hai-Hua(李海华) Far-field superlens for nanolithography 2010 Chin. Phys. B 19 034202
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