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Propagation mode of cold evaporated zinc sulfide planar waveguides

Propagation mode of cold evaporated zinc sulfide planar waveguides
Propagation mode of cold evaporated zinc sulfide planar waveguides
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.
55-61
Saleh, S.
31974e81-7066-40f4-8bfb-b5629037f748
Chik, A.
979e599d-8fb1-482a-94ba-413f1ad92a31
Dalimin, M.N.
bf509261-2a08-44b7-b828-4dbdf846b60a
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc
Saleh, S.
31974e81-7066-40f4-8bfb-b5629037f748
Chik, A.
979e599d-8fb1-482a-94ba-413f1ad92a31
Dalimin, M.N.
bf509261-2a08-44b7-b828-4dbdf846b60a
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc

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

Record type: Article

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.

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Published date: 2005
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 264018
URI: https://eprints.soton.ac.uk/id/eprint/264018
PURE UUID: 2ef7dc03-c3a1-467c-9be8-8f8aacb9481f

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Date deposited: 16 May 2007
Last modified: 18 Jul 2017 07:40

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