UV irradiation influence on stimulated Brillouin scattering in photosensitive optical fibres
- 20 January 2011
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 47 (2) , 132-133
Abstract
A study on the influence of UV radiation on stimulated Brillouin scattering in photosensitive germanosilicate optical fibres is presented. The UV exposure of a highly germanium-doped fibre was performed at a power density of ∼142 W/cm2. In this configuration, a refractive index change of about 2.5×10−3 was measured, partially due to the compaction phenomenon as well as a 20 MHz permanent change in the Brillouin frequency shift (at 1.55 µm).Keywords
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