Abstract
Photoreduction of samarium-doped -modified aluminofluoride glass by femtosecond laser irradiation and x-ray irradiation were investigated. Photoluminescence of samarium ions indicated that photoreduction of efficiently occurred in glass samples containing more than after femtosecond laser irradiation, while dramatic change was not observed by x-ray irradiation. Transmission electron microscope results revealed that nanophases only precipitated from glass matrix with a high content by focusing femtosecond laser irradiation. Samarium ions were selectively incorporated into the precipitated nanophases, resulting in the enhancement of photoreduction under lower laser power.
© 2011 Optical Society of America
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