Sm2+-doped alumino-silicate glasses derived from the sol-gel method

Masayuki Nogami; Kazuyuki Hirao; Yoshihiro Abe

doi:10.1117/12.188982

13 October 1994 Sm²⁺-doped alumino-silicate glasses derived from the sol-gel method

Masayuki Nogami, Kazuyuki Hirao, Yoshihiro Abe

Proceedings Volume 2288, Sol-Gel Optics III; (1994) https://doi.org/10.1117/12.188982
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We have successfully incorporated Sm²⁺ ions into alumino-silicate glasses using a sol-gel method. The gels synthesized through hydrolysis of Si(OC₂H₅)₄, Al(OC₄H₉)₃, and SmCl₃(DOT)6H₂O were heated in air, followed by heating in the presence of hydrogen, in which samarium ions were reduced from the trivalent to divalent state. Glasses incorporated with Sm²⁺ showed an intense emission with peaks at 683, 700, and 725 nm due to ⁵D₀ yields ⁷F_0,1,2 transitions, respectively, of the Sm²⁺ ions. Decay time was estimated to be 0.6 msec.

Citation Download Citation

Masayuki Nogami, Kazuyuki Hirao, and Yoshihiro Abe "Sm²⁺-doped alumino-silicate glasses derived from the sol-gel method", Proc. SPIE 2288, Sol-Gel Optics III, (13 October 1994); https://doi.org/10.1117/12.188982

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