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    • A theoretical study of surface plasmon cross coupling in asymmetric corrugated metal films

      M B Pande S Dutta Gupta

      Volume 34 Issue 6 June 1990 pp 575-583

    • Fulltext

       

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      https://www.ias.ac.in/article/fulltext/pram/034/06/0575-0583

    • Keywords

       

      Surface plasmon; corrugated metal film

    • Abstract

       

      We investigate numerically the transmission properties of a thin sinusoidally corrugated metal film bounded by two different dielectrics in the context of the experiment of Gruhlkeet al (1986). We study the dominant contributions from both the propagating and evanescent plane waves. A comparison with the experimental results reveals that the decisive role in cross coupling is played by the evanescent waves emitted by the molecular dipole. We extend our studies to different corrugation amplitudes and widths to show their effect on transmission.

    • Author Affiliations

       

      M B Pande1 S Dutta Gupta1

      1. School of Physics, University of Hyderabad, Hyderabad - 500 134, India

    • Dates

       
      Published
      June 1990
      Manuscript received
      20 March 1990

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