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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 4 — Feb. 16, 2009
  • pp: 2818–2825

Optics InfoBase > Optics Express > Volume 17 > Issue 4 > Page 2818

Metal-insulator-metal nanorod arrays for subwavelength imaging

Xiaofei Wu, Jiasen Zhang, and Qihuang Gong  »View Author Affiliations


Optics Express, Vol. 17, Issue 4, pp. 2818-2825 (2009)
http://dx.doi.org/10.1364/OE.17.002818


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Abstract

We proposed using metal-insulator-metal (MIM) nanorod arrays for subwavelength imaging to improve the resolution based on the notable ability of field confinement of the MIM nanorods. The field distribution of a single Au-SiO2-Au nanorod, coupling between two nanorods and image transfer of shaped dipole sources through nanorod arrays were investigated by using the finite-difference time-domain method and compared with the case of Au nanorods. A resolution limit of ~λ/20 of the Au-SiO2-Au nanorod array was obtained, which is several times higher than that of the Au nanorod array.

© 2009 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.3990) Optical devices : Micro-optical devices
(240.6680) Optics at surfaces : Surface plasmons
(110.3010) Imaging systems : Image reconstruction techniques

ToC Category:
Imaging Systems

History
Original Manuscript: December 5, 2008
Revised Manuscript: February 9, 2009
Manuscript Accepted: February 10, 2009
Published: February 11, 2009

Citation
Xiaofei Wu, Jiasen Zhang, and Qihuang Gong, "Metal-insulator-metal nanorod arrays for subwavelength imaging," Opt. Express 17, 2818-2825 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-4-2818


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