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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 3 — Feb. 10, 2014
  • pp: 3039–3044

Surface-coupling of Cerenkov radiation from a modified metallic metamaterial slab via Brillouin-band folding

Anirban Bera, Ranjan Kumar Barik, Matlabjon Sattorov, Ohjoon Kwon, Sun-Hong Min, In-Keun Baek, Seontae Kim, Jin-Kyu So, and Gun-Sik Park  »View Author Affiliations

Optics Express, Vol. 22, Issue 3, pp. 3039-3044 (2014)

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Metallic metamaterials with positive dielectric responses are promising as an alternative to dielectrics for the generation of Cerenkov radiation [ So J.-K. , Appl. Phys. Lett. 97(15), 151107 (2010)]. We propose here by theoretical analysis a mechanism to couple out Cerenkov radiation from the slab surfaces in the transverse direction. The proposed method based on Brillouin-zone folding is to periodically modify the thickness of the metamaterial slab in the axial direction. Moreover, the intensity of the surface-coupled radiation by this mechanism shows an order-of-magnitude enhancement compared to that of ordinary Smith-Purcell radiation.

© 2014 Optical Society of America

OCIS Codes
(160.3918) Materials : Metamaterials
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:

Original Manuscript: November 12, 2013
Revised Manuscript: January 16, 2014
Manuscript Accepted: January 17, 2014
Published: February 3, 2014

Anirban Bera, Ranjan Kumar Barik, Matlabjon Sattorov, Ohjoon Kwon, Sun-Hong Min, In-Keun Baek, Seontae Kim, Jin-Kyu So, and Gun-Sik Park, "Surface-coupling of Cerenkov radiation from a modified metallic metamaterial slab via Brillouin-band folding," Opt. Express 22, 3039-3044 (2014)

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