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Optical Engineering

Design and fabrication of multilayer metal-clad dielectric surface plasmon waveguide polarizers
Author(s): Dharmendra Kumar; V. K. Sharma; Kailash Narayan Tripathi
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Paper Abstract

Planar multilayer optical waveguides consisting of thin dielectric films with metal cladding have been investigated as TM-mode absorption polarizers. Two types of structure are analyzed. In the first one, the guided-mode losses were calculated as a function of the thicknesses of the buffer layer and the metal. Another polarizer, utilizing a MgF2/metal/MgF2 overlayer, is discussed. It is observed that in this configuration TM absorption losses are enhanced and thus we get a better extinction ratio. The polarizer has also been fabricated and characterized on ion exchange optical planar waveguides with a MgF2/Ag/MgF2 overlayer.

Paper Details

Date Published: 1 May 2006
PDF: 5 pages
Opt. Eng. 45(5) 054601 doi: 10.1117/1.2203365
Published in: Optical Engineering Volume 45, Issue 5
Show Author Affiliations
Dharmendra Kumar, Univ. of Delhi (India)
V. K. Sharma, Univ. of Delhi (India)
Kailash Narayan Tripathi, Univ. of Delhi (India)

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