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Forming optical waveguides in silicate glasses under electron irradiation

A. A. Zhiganov, O. A. Podsvirov, A. I. Ignat’ev, N. V. Nikonorov, and A. I. Sidorov

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Abstract

It is experimentally shown that electron-beam irradiation of silicate glasses causes a layered structure having increased refractive index and possessing waveguide properties to be formed in the near-surface layer of the glass. This effect is associated with a local increase of the refractive index of the glass as a result of the field migration of positive metal ions into the region of negative space charge.

© 2011 OSA

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