期刊
APPLIED PHYSICS LETTERS
卷 85, 期 19, 页码 4316-4318出版社
AMER INST PHYSICS
DOI: 10.1063/1.1815379
关键词
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We show that the extraordinary transmission of light through an array of square subwavelength holes is strongly influenced by the size of the holes. For small, square holes (air fraction below 20%), the dependence of the normalized transmission (transmissivity) on hole width greatly exceeds the expectations on the basis of conventional aperture theory. For larger holes, the transmissivity saturates. Moreover, the positions of the transmission maxima shift when the size is varied. (C) 2004 American Institute of Physics.
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