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论文类型：期刊论文

发表时间：2008-01-01

发表刊物：CHINESE PHYSICS B

收录刊物：SCIE、EI

卷号：17

期号：1

页面范围：224-227

ISSN号：1674-1056

关键字：Er3+-doped silicate glass; up-conversion emission; fluorescence intensity ratio

摘要：The green and red up-conversion emissions centred at about 534, 549 and 663 nm of wavelength, corresponding respectively to the H-2(11/2) -> I-4(15/2), S-4(3/2) -> I-4(15/2) and F-4(9/2) -> I-4(15/2) transitions of Er3+ ions, have been observed for the Er3+-doped silicate glass excited by a 978 nm semiconductor laser beam. Excitation power dependent behaviour of the up-conversion emission intensity indicates that a two-photon absorption up-conversion process is responsible for the green and red up-conversion emissions. The temperature dependence of the green up-conversion emissions is also studied in a temperature range of 296-673 K, which shows that Er3+-doped silicate glass can be used as a sensor in high-temperature measurement.