期刊
SOLID STATE COMMUNICATIONS
卷 129, 期 8, 页码 519-524出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2003.11.029
关键词
apertures; surface plasmons
We present finite difference time domain simulations of the enhancement of the optical transmission through a single subwavelength slit in a thick metal film caused by resonances of the electromagnetic fields in and near the slit. These can be enhanced by including a periodic modulation on the in-coupling surface, and the dependence of the transmission on the grating structural parameters is analysed in detail. (C) 2003 Elsevier Ltd. All rights reserved.
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