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|Title:||Free-field characterization via directional transmission through a nanoaperture|
|Keywords:||Extraordinary optical transmission|
Fourier modal method
|Source:||Rahomäki, J., Hyvärinen, H.J., Rehman, S., Turunen, J. (2013). Free-field characterization via directional transmission through a nanoaperture. Nanoscale Research Letters 8 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1186/1556-276X-8-326|
|Abstract:||We propose a scheme based on extraordinary transmission of light through a single nanoaperture, surrounded by periodic corrugations, for direct characterization of focal-region optical fields with subwavelength-scale structure. We describe the design of the device on the basis of rigorous diffraction theory and fabricate a prototype using a process that involves electron beam lithography, dry etching, and template stripping. First experimental results performed with a transmission-type confocal optical microscope demonstrate the potential of the method. © 2013 Rahomäki et al.|
|Source Title:||Nanoscale Research Letters|
|Appears in Collections:||Staff Publications|
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