期刊
OPTICS EXPRESS
卷 18, 期 3, 页码 2662-2667出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.002662
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资金
- National Natural Science Foundation of China [10974101, 60778045]
- Ministry of Science and Technology of China [2009DFA52300]
- National Research Foundation of Singapore [NRF-G-CRP 2007-01]
The authors demonstrate a two dimensional (2D) plasmonic fan-out spot array by using subwavelength sized slit arrays. Near field scanning optical microscope (NSOM) is employed to examine intensity distributions of the generated fan-out plasmonic spots, showing good agreement with finite-difference time-domain (FDTD) simulation results. The plasmonic fan-out spots with full width half-maximum (FWHM) of 0.34 lambda(0) are optimized by various design parameters associated with the subwavelength slit as well as polarization states. (C) 2010 Optical Society of America
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