| Photosensitive erbium doped tin-silicate glass (2002) | |||||||||||
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| Erbium doped tin-silicate samples were prepared by sol–gel method. Optical absorption, infrared photoluminescence at 1.5 m from 4I13/2–4I15/2 Er3+ electronic transition and data of refractive index change after exposure to 266 nm pulsed radiation were collected. The results show that Er-doped tin-silicate can be produced by the proposed sol–gel method with photosensitivity comparable to that of only tin-doped silica, showing refractive index changes up to 4×10−4. | |||||||||||
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