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Laser ablation deposition of Ga2S3-La2S3 glass films

Record type: Conference or Workshop Item (Paper)

Gallium - lanthanum sulphide glasses (GLS) show wide range transparency and low non radiative relaxation rates for dopant ions such as Ho3+, Er3+ etc. They also show permanent photomodification of the refractive index under visible illumination. We report laser ablation deposition of these glasses and preliminary results on film stoichiometry and deposition rate as a function of excimer laser fluence. The sulphur to metal and Ga/La ratios are found to have marked fluence dependencies. The films show considerably more Urbach tail absorption than bulk material. A novel method has been developed for mapping the permanent photomodifled index.

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Citation

Asal, R., Rivers, P.E. and Rutt, H.N. (1995) Laser ablation deposition of Ga2S3-La2S3 glass films At Materials Research Society Symposium, United States.

More information

Published date: 1995
Venue - Dates: Materials Research Society Symposium, United States, 1995-01-01

Identifiers

Local EPrints ID: 76952
URI: http://eprints.soton.ac.uk/id/eprint/76952
PURE UUID: 07c1cd2e-446a-40ab-bc60-747f9711ce3e

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:36

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Contributors

Author: R. Asal
Author: P.E. Rivers
Author: H.N. Rutt

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