Propagation mode of cold evaporated zinc sulfide planar waveguides


Saleh, S., Chik, A., Dalimin, M.N. and Rutt, H.N. (2005) Propagation mode of cold evaporated zinc sulfide planar waveguides Borneo Science, 17, pp. 55-61.

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Description/Abstract

This paper discusses thepropagation mode of ZnS waveguides fabricated by thermal evaporation technique at cold substrate temperature. A substrate holder that was fitted with a thermoelectric cooler was used to cool the substrate. The substrate temperature of the deposition is controlled at 50 °C. The substrates used were silica (glass) slides and oxidized silicon wafers. The propagation modes of the waveguides were studied with a Prism Coupler which was fitted with a 633 nm laser source. There was only one TE mode observed for the 150 nm thick waveguide and five TE modes for the 800 nm thick waveguide for both types of substrates. From the modal analysis, the refractive index of the ZnS thin films is 2.346.

Item Type: Article
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Organisations: Optoelectronics Research Centre
ePrint ID: 264018
Date :
Date Event
2005Published
Date Deposited: 16 May 2007
Last Modified: 17 Apr 2017 19:44
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/264018

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