Surface plasmon resonance transmission filters at 1053nm based on metallic grating with narrow slit |
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Authors: | Ma Jian-Yong Xu Cheng Liu Shi-Jie Zhang Da-Wei Jin Yun-Xi Fan Zheng-Xiu and Shao Jian-Da |
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Institution: | Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; Graduate school of Chinese Academy of Sciences, Beijing 100039, China |
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Abstract: | Metallic gratings with narrow slits can lead to special optical
properties such as strongly enhancing the transmission and
considerably strengthening the polarized effect. A narrow-band
filter suitable for application in optical communication is
designed by sandwiching a metallic grating between two identical
dielectric films. The maximum transmission can reach 96% after
optimizing the parameters of films and grating at a central
wavelength of 1053 nm. It is the first time, to our knowledge, that
such high transmission has been reported since the discovery of
the extraordinarily high transmission through periodic holes or
slits; moreover, the extremely polarized effect is also found in P
mode of this symmetric grating. |
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Keywords: | metallic grating surface
plasmon extraordinary transmission |
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