Proceedings of the Korean Society of Laser Processing Conference (한국레이저가공학회:학술대회논문집)

Korean Society of Laser Processing (한국레이저가공학회)
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Terahertz transmission through femtosecond-machined metal structures

  • Lee, J.U. (School of Physics, Seoul National University) ;
  • Seo, M. (School of Physics, Seoul National University) ;
  • Kim, D.S. (School of Physics, Seoul National University) ;
  • Jeoung, S.C. (Optical Nano Metrology Group, Korea Research Institute of Standards and Science) ;
  • Park, Q-Han (School of Physics, Korea University)
  • Published : 2005.06.10
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Abstract

Using THz time-domain spectroscopy, we study plasmonic band gaps in periodic metal arrays of slits. Femtosecnd machining system guarantees good quality sub millimeter structures for THz spectroscopy. Fabry-Perot effect enhances the transmission when the two resonances cross but does not alter the surface plasmon peak positions.

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