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Channel waveguides in ion-exchanged Pyrex by direct UV writing

Record type: Article

In this paper, we show that UV irradiation can induce a significant refractive index change in Pyrex, a commercial oxide glass which does not contain the most common photosensitiser, germanium. We describe the fabrication of channel waveguides in potassium-ion exchanged Pyrex by UV writing and find the maximum UV-induced change in refractive index to be 1 × 10^-3. UV-induced changes in the absorption spectrum are reported and attributed to the formation of defects from iron impurities inherent in the glass. A colour-centre-related model for the observed refractive index change is proposed.

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Citation

Sheridan, A.K., Gawith, C.B.E., Emmerson, G.D., Milton, J.A., Smith, P.G.R. and Wilkinson, J.S. (2004) Channel waveguides in ion-exchanged Pyrex by direct UV writing Optics Communications, 242, (1-3), pp. 109-114. (doi:10.1016/j.optcom.2004.08.014).

More information

Published date: 2004

Identifiers

Local EPrints ID: 16085
URI: http://eprints.soton.ac.uk/id/eprint/16085
ISSN: 0030-4018
PURE UUID: 8e1d1ede-46ed-4e69-b793-f651577530b0
ORCID for C.B.E. Gawith: ORCID iD orcid.org/0000-0002-3502-3558
ORCID for J.S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

Catalogue record

Date deposited: 23 Jun 2005
Last modified: 17 Jul 2017 16:44

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Contributors

Author: A.K. Sheridan
Author: C.B.E. Gawith ORCID iD
Author: G.D. Emmerson
Author: J.A. Milton
Author: P.G.R. Smith
Author: J.S. Wilkinson ORCID iD

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