Beam shaping by the use of plasmonics

Byoungho Lee; Seyoon Kim; Dawoon Choi

doi:10.1117/12.869095

4 November 2010 Beam shaping by the use of plasmonics

Byoungho Lee, Seyoon Kim, Dawoon Choi

Proceedings Volume 7848, Holography, Diffractive Optics, and Applications IV; 784805 (2010) https://doi.org/10.1117/12.869095
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

We will discuss methods to generate spatially collimated beams from surface plasmon polaritons. The representative method discussed in this paper is coupling surface plasmon polaritons, which are excited on a metal surface from a subwavelength metal slit, into collimated radiating fields with the use of surface gratings attached on the metal surface. In addition, the beam manipulation method by using multiple metallic waveguides, in which each waveguide has different width and length, will be discussed. With the aid of these methods, we will present three kinds of beams; on- and off-axis directional beams and a focused beam.

Citation Download Citation

Byoungho Lee, Seyoon Kim, and Dawoon Choi "Beam shaping by the use of plasmonics", Proc. SPIE 7848, Holography, Diffractive Optics, and Applications IV, 784805 (4 November 2010); https://doi.org/10.1117/12.869095

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