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A novel erbium ion doped zinc fluoride glass was prepared. 2.7μm emission and transmittance properties together with thermal ability were investigated. An enhanced 2.7μm emission was observed by introducing ZnF2 in the ZrF4-based fluoride glass. Meanwhile, the J-O parameters and branching ratios (β) of Er3+-doped zinc fluoride glass were calculated and analyzed. The present Er3+-doped zinc fluoride...
CeO 2 :1%Er, CeO 2 :1%Er, 5%Li and CeO 2 :1%Er, 10%Li translucent ceramics were fabricated for the first time. Under the 980nm diode laser excitation, the ceramics gave intense green (520–570nm) and red (640–680nm) upconversion luminescence, which were ascribed to the radiative transitions of 2 H 11/2 , 4 S 3/2 → 4 I 15/2 and...
A novel erbium ion doped fluoro-tellurite glasses were prepared, and 2.7μm emission properties, thermal stability and chemical durability were investigated. An intense 2.7μm emission was observed. It was also found that the thermal stability and chemical durability were greatly improved by introducing a small amount of TeO 2 into fluoride glasses. In addition, the spontaneous transition probability...
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