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13 October 1994 Investigation of Er-doped glasses by two-step hydrolysis with N,N-dimethyl formamide
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Characterization of erbium-doped silicate glasses produced by sol-gel method with a drying control chemical additive has been carried out. Both of the absorption and fluorescence spectra of these samples were similar to those of erbium-doped optical fibers prepared by modified chemical vapor deposition. The homogeneous monolithic erbium-doped silicate glasses with concentrations ranging from 500 to 10,000 ppm were constantly fabricated. Due to N,N- dimethyl formamide (DMF) in 2-step hydrolysis procedure, the processing time can be reduced significantly. The index of refraction and specific density of the samples were approximately 1.65 and 2.2 g/cm3, respectively.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yui-Shin Fran, Tsung-Yuan Tseng, and Wen-Feng Hsieh "Investigation of Er-doped glasses by two-step hydrolysis with N,N-dimethyl formamide", Proc. SPIE 2288, Sol-Gel Optics III, (13 October 1994);

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