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Elongating the Air Working Distance of Near-Field Plasmonic Lens by Surface Plasmon Illumination
Zhang, Wei; Wang, Hao; Wang, Changtao; Yao, Na; Zhao, Zeyu; Wang, Yanqin; Gao, Ping; Luo, Yunfei; Du, Wenjuan; Jiang, Bo; Luo, Xiangang; Luo, XG (reprint author), Chinese Acad Sci, State Key Lab Opt Technol Nanofabricat & Microeng, Inst Opt & Elect, POB 350, Chengdu 610209, Peoples R China.
Source PublicationPLASMONICS
Volume10Issue:1Pages:51-56
2015
Language英语
ISSN1557-1955
DOI10.1007/s11468-014-9776-2
Indexed BySCI
WOS IDWOS:000348346300008
Subtype期刊论文
AbstractA method is proposed and demonstrated to elongate the air working distance of near-field plasmonic lens with deep subwavelength resolution. It is done by employing surface plasmon illumination (SPI) with a high transverse wavevector and a plasmonic lens with a metal-dielectric-metal structure. Specially designed SPI source with subwavelength grating and multiple metal-dielectric films delivers the shifted spatial spectra components of mask patterns, which help to enhance plasmonic lens optical transfer ability of patterns' information even with a large air working distance. Moreover, a metal reflector serves to modulate the magnitude of the tangential and normal electric field components in the imaging region and brings the considerable improvement of imaging quality. Numerical simulations show that the maximum air working distance could reach 60 for 32 nm half-pitch resolution at 365 nm wavelength about six times that for the conventional superlens under normal illumination (NI). An approximate model of the air working distance elongation under SPI is given and agrees well with simulations.; A method is proposed and demonstrated to elongate the air working distance of near-field plasmonic lens with deep subwavelength resolution. It is done by employing surface plasmon illumination (SPI) with a high transverse wavevector and a plasmonic lens with a metal-dielectric-metal structure. Specially designed SPI source with subwavelength grating and multiple metal-dielectric films delivers the shifted spatial spectra components of mask patterns, which help to enhance plasmonic lens optical transfer ability of patterns' information even with a large air working distance. Moreover, a metal reflector serves to modulate the magnitude of the tangential and normal electric field components in the imaging region and brings the considerable improvement of imaging quality. Numerical simulations show that the maximum air working distance could reach 60 for 32 nm half-pitch resolution at 365 nm wavelength about six times that for the conventional superlens under normal illumination (NI). An approximate model of the air working distance elongation under SPI is given and agrees well with simulations.
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6906
Collection微细加工光学技术国家重点实验室(开放室)
Corresponding AuthorLuo, XG (reprint author), Chinese Acad Sci, State Key Lab Opt Technol Nanofabricat & Microeng, Inst Opt & Elect, POB 350, Chengdu 610209, Peoples R China.
Affiliation1.[Zhang, Wei
2.Wang, Changtao
3.Yao, Na
4.Zhao, Zeyu
5.Wang, Yanqin
6.Gao, Ping
7.Luo, Yunfei
8.Du, Wenjuan
9.Luo, Xiangang] Chinese Acad Sci, State Key Lab Opt Technol Nanofabricat & Microeng, Inst Opt & Elect, Chengdu 610209, Peoples R China
10.[Wang, Hao] Univ Elect Sci & Technol China, Sch Mechatron Engn, Chengdu 611731, Peoples R China
11.[Jiang, Bo] China Elect Technol Grp Corp, Res Inst 33, Taiyuan 030006, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Wei,Wang, Hao,Wang, Changtao,et al. Elongating the Air Working Distance of Near-Field Plasmonic Lens by Surface Plasmon Illumination[J]. PLASMONICS,2015,10(1):51-56.
APA Zhang, Wei.,Wang, Hao.,Wang, Changtao.,Yao, Na.,Zhao, Zeyu.,...&Luo, XG .(2015).Elongating the Air Working Distance of Near-Field Plasmonic Lens by Surface Plasmon Illumination.PLASMONICS,10(1),51-56.
MLA Zhang, Wei,et al."Elongating the Air Working Distance of Near-Field Plasmonic Lens by Surface Plasmon Illumination".PLASMONICS 10.1(2015):51-56.
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