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

Surface-coupling of Cerenkov radiation from a modified metallic metamaterial slab via Brillouin-band folding
Surface-coupling of Cerenkov radiation from a modified metallic metamaterial slab via Brillouin-band folding
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.
1094-4087
3039-3044
Bera, Anirban
f7a0a86f-5260-43ed-b2c3-9fb057c0de79
Barik, Ranjan Kumar
833ad0b2-fb5a-4445-9c86-23ff74ecd7ce
Sattorov, Matlabjon
34c6e2ea-48c7-4af0-94b2-57ef8e6ffe8a
Kwon, Ohjoon
33485100-6b1c-44f0-ab40-baeb99bd96ec
Min, Sun-Hong
295f7359-3192-4118-8ff7-41d54b740cb9
Baek, In-Keun
cb340681-cbe8-409c-b46e-07953285e072
Kim, Seontae
aefc6d83-6524-44cd-83cc-5e2225b536f8
So, Jin-Kyu
06a7afea-61c2-439d-9ac4-047ea21a909b
Park, Gun-Sik
d85a0342-6ee9-40e0-9798-9d456927f04a
Bera, Anirban
f7a0a86f-5260-43ed-b2c3-9fb057c0de79
Barik, Ranjan Kumar
833ad0b2-fb5a-4445-9c86-23ff74ecd7ce
Sattorov, Matlabjon
34c6e2ea-48c7-4af0-94b2-57ef8e6ffe8a
Kwon, Ohjoon
33485100-6b1c-44f0-ab40-baeb99bd96ec
Min, Sun-Hong
295f7359-3192-4118-8ff7-41d54b740cb9
Baek, In-Keun
cb340681-cbe8-409c-b46e-07953285e072
Kim, Seontae
aefc6d83-6524-44cd-83cc-5e2225b536f8
So, Jin-Kyu
06a7afea-61c2-439d-9ac4-047ea21a909b
Park, Gun-Sik
d85a0342-6ee9-40e0-9798-9d456927f04a

Bera, Anirban, Barik, Ranjan Kumar, Sattorov, Matlabjon, Kwon, Ohjoon, Min, Sun-Hong, Baek, In-Keun, Kim, Seontae, So, Jin-Kyu and Park, Gun-Sik (2014) Surface-coupling of Cerenkov radiation from a modified metallic metamaterial slab via Brillouin-band folding. Optics Express, 22 (3), 3039-3044. (doi:10.1364/OE.22.003039).

Record type: Article

Abstract

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.

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Published date: 2014
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 363735
URI: http://eprints.soton.ac.uk/id/eprint/363735
ISSN: 1094-4087
PURE UUID: e002d112-710f-4df8-94d7-2d344e43a9c9

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Date deposited: 01 Apr 2014 15:42
Last modified: 14 Mar 2024 16:28

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Contributors

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

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