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Fabrication and characterization of UV-written channel waveguides in Bi2O3-based glass

Favre, Angélique, Lee, Eric, Apostolopoulos, Vasilis, Gawith, Corin B.E., Tai, Chao-Yi, Taylor, Elizabeth R., Kondo, Yuki and Koizumi, Fumihito (2004) Fabrication and characterization of UV-written channel waveguides in Bi2O3-based glass Optical Materials, 27, (1), pp. 7-13. (doi:10.1016/j.optmat.2004.01.009).

Record type: Article


Light-induced refractive index change was investigated in an erbium-doped Bi2O3-based bulk glass using direct UV laser writing at 244 nm. Single mode channel waveguides were obtained with a positive refractive index change of 4 × 10-4 at 633 nm. An upper limit for propagation losses at 980 nm was estimated at 4 dB/cm. A morphological study of the exposed regions revealed that strong interactions occurred between the UV beam and the glass sample, causing physical damage and stresses in the material. To our knowledge, this is the first paper reporting the use of 244 nm laser beam to produce waveguides in a Bi2O3-based glass.

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Published date: October 2004
Keywords: Bi2O3 glass, UV-writing, optical materials


Local EPrints ID: 57218
PURE UUID: e8d591fe-d446-4462-96b0-f115fa90eeda
ORCID for Corin B.E. Gawith: ORCID iD

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Date deposited: 13 Aug 2008
Last modified: 17 Jul 2017 14:29

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Author: Angélique Favre
Author: Eric Lee
Author: Vasilis Apostolopoulos
Author: Chao-Yi Tai
Author: Elizabeth R. Taylor
Author: Yuki Kondo
Author: Fumihito Koizumi

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