Luminescence of trivalent erbium in low-hydroxyl gels

Soon-Ku Yuh; Eric P. Bescher; John D. Mackenzie

doi:10.1117/12.188958

13 October 1994 Luminescence of trivalent erbium in low-hydroxyl gels

Soon-Ku Yuh, Eric P. Bescher, John D. Mackenzie

Proceedings Volume 2288, Sol-Gel Optics III; (1994) https://doi.org/10.1117/12.188958
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Transparent gels, either purely inorganic or organically modified, are obtained through a sol- gel process circumventing the usual hydrolysis-condensation path. This non-aqueous route, which may also be described as a `non-hydrolytic' process, results in gels containing low amounts of hydroxyls vis-a-vis conventional gels. The mechanical properties of the gels range from rubbery to hard according to the functionality of the precursor. Erbium-doped methylsilsesquioxane shows luminescence at 664 nm under pumping with an argon line at 488 nm. Pure SiCl₄-derived gels show an additional emission, ascribed to the ⁴F_7/2 yields ⁴I_3/2 transition at 710 nm.

Citation Download Citation

Soon-Ku Yuh, Eric P. Bescher, and John D. Mackenzie "Luminescence of trivalent erbium in low-hydroxyl gels", Proc. SPIE 2288, Sol-Gel Optics III, (13 October 1994); https://doi.org/10.1117/12.188958

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