The University of Southampton
University of Southampton Institutional Repository

Characterisation of Ga-La-S chalcogenide glass thin film optical waveguides, fabricated by pulsed laser deposition

Characterisation of Ga-La-S chalcogenide glass thin film optical waveguides, fabricated by pulsed laser deposition
Characterisation of Ga-La-S chalcogenide glass thin film optical waveguides, fabricated by pulsed laser deposition
The fabrication of stoichiometric thin-film optical waveguides of Ga-La-S via a pulsed laser deposition technique is reported. Stoichiometric films are grown by ablating Ga-La-S bulk glass with a KrF excimer laser (lambda=248 nm) at an incident laser flux ≥ 3.5 J/cm2. The composition of the films is determined by energy-dispersive X-ray analysis and the refractive index is measured by a dark-mode prism coupling technique. Photoinduced structural rearrangement of the as-deposited films leads to a blueshift in the visible absorption edge and a permanent refractive index change, Δn, of -1%. On the basis of these results, grating structures have been written with both blue light, and e-beam addressing, and their suitability for integrated optical structures assessed.
0022-3093
321-326
Gill, D.S.
0837886a-5999-478f-8b32-ea1996611c3c
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Zaldo, C.
fed559d7-64ba-4a7a-91d8-bb2ce13ee8e0
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc
Vainos, N.A.
e4f22637-2f1c-4dec-af67-d059261dd5b2
Gill, D.S.
0837886a-5999-478f-8b32-ea1996611c3c
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Zaldo, C.
fed559d7-64ba-4a7a-91d8-bb2ce13ee8e0
Rutt, H.N.
e09fa327-0c01-467a-9898-4e7f0cd715fc
Vainos, N.A.
e4f22637-2f1c-4dec-af67-d059261dd5b2

Gill, D.S., Eason, R.W., Zaldo, C., Rutt, H.N. and Vainos, N.A. (1995) Characterisation of Ga-La-S chalcogenide glass thin film optical waveguides, fabricated by pulsed laser deposition. Journal of Non-Crystalline Solids, 191 (3), 321-326. (doi:10.1016/0022-3093(95)00319-3).

Record type: Article

Abstract

The fabrication of stoichiometric thin-film optical waveguides of Ga-La-S via a pulsed laser deposition technique is reported. Stoichiometric films are grown by ablating Ga-La-S bulk glass with a KrF excimer laser (lambda=248 nm) at an incident laser flux ≥ 3.5 J/cm2. The composition of the films is determined by energy-dispersive X-ray analysis and the refractive index is measured by a dark-mode prism coupling technique. Photoinduced structural rearrangement of the as-deposited films leads to a blueshift in the visible absorption edge and a permanent refractive index change, Δn, of -1%. On the basis of these results, grating structures have been written with both blue light, and e-beam addressing, and their suitability for integrated optical structures assessed.

Text
471P
Download (361kB)

More information

Published date: December 1995

Identifiers

Local EPrints ID: 78400
URI: http://eprints.soton.ac.uk/id/eprint/78400
ISSN: 0022-3093
PURE UUID: 3a3985e3-2efa-45e8-8908-a38d5d0e0bc3
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:33

Export record

Altmetrics

Contributors

Author: D.S. Gill
Author: R.W. Eason ORCID iD
Author: C. Zaldo
Author: H.N. Rutt
Author: N.A. Vainos

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×