Abstract
The effect of the introduction of chloride or bromide on the upconversion fluorescence intensity in Er‐ and Yb‐codopea ZBLAN fluoride glasses is investigated. The introduction of chloride enhanced the emission intensity by up to about 70% of the initial value at 550 nm for samples excited by a Nd:YAG laser. The addition of bromide increased the emission intensity at 550 nm by about 35%. The enhancement of the emission intensity seems to result from the reduction of the multiphonon relaxation rate.
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Schedule a callMore From: Journal of the American Ceramic Society. American Ceramic Society
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