Lee, B. J. and Chen, Y. -B. and Zhang, Zhuomin (2008) Transmission enhancement through nanoscale metallic slit arrays from the visible to mid-infrared. JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE, 5 (2). pp. 201-213.
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In this paper, we systematically investigate the transmission enhancement through nanoscale metallic slit arrays in the wavelength range from visible to mid-infrared. The far-field transmittance of the periodic structure is calculated using the rigorous coupled-wave analysis (RCWA). The electromagnetic field distribution in the near-field regime is analyzed to elucidate three mechanisms for transmission enhancement. Depending on the spectral region, the enhanced transmission can be attributed to Wood's anomaly, cavity resonance, and the effective-medium behavior. The effects of grating/slit geometry, polarization, and the plane-of-incidence orientation on the radiation transmission are also examined.
|Uncontrolled Keywords:||electromagnetic wave; far-field transmittance; nanoslits; near-field effect|
|Subjects:||Physical Science > Nanophysics|
|Deposited By:||Anuj Seth|
|Deposited On:||18 Dec 2008 12:40|
|Last Modified:||27 Apr 2009 11:21|
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