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SYNTHESIZING METHOD OF FLUORIDE GLASS BY SOL-GEL METHOD AND OPTICAL FIBER PRODUCED FROM FLUORIDE GLASS OBTAINED BY THIS METHOD
SYNTHESIZING METHOD OF FLUORIDE GLASS BY SOL-GEL METHOD AND OPTICAL FIBER PRODUCED FROM FLUORIDE GLASS OBTAINED BY THIS METHOD
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机译:溶胶-凝胶法合成氟化玻璃及由该方法制得的氟化玻璃生产的光纤
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摘要
PURPOSE: To synthesize the impurity-free fluoride glass. ;CONSTITUTION: In the synthesis of the fluoride glass by the sol-gel method, a stage in which a wet gel obtained by oxidizing a precursor containing all cations constituting the fluoride glass is produced, the stage in which the gel is hydrolyzed by adding generally an acidic soln. and the stage in which the gel is dried are provided. Moreover, the stage in which the oxidized gel is treated with a fluorinating agent in a vapor phase at a temp. below the glass crystallization point is provided. This process more particularly makes it possible to produce a fluoride glass for optical fiber.;COPYRIGHT: (C)1994,JPO
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