How grooves reflect and confine surface plasmon polaritons. Kuttge, M., de Abajo, G., Javier, F., & Polman, A. Optics express, 17(12):10385--10392, 2009.
How grooves reflect and confine surface plasmon polaritons [link]Paper  bibtex   
@article{ kuttge_how_2009,
  title = {How grooves reflect and confine surface plasmon polaritons},
  volume = {17},
  url = {http://www.opticsinfobase.org/abstract.cfm?uri=oe-17-12-10385},
  number = {12},
  urldate = {2014-11-17TZ},
  journal = {Optics express},
  author = {Kuttge, Martin and García de Abajo, F. Javier and Polman, Albert},
  year = {2009},
  pages = {10385--10392}
}

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