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1.5μm波段多波长Er:Yb:YAl_3(BO_3)_4激光器

Multi-wavelength Er:Yb:YAl_3(BO_3)_4 laser around 1.5 μm
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摘要 采用熔盐法获得了Yb3+和Er3+离子掺杂浓度分别为25和1.1at.%的YAl3(BO3)4晶体。利用970nm半导体激光器作为泵浦源,通过调节其准连续运转的占空比实现了增益介质在不同晶体温度下的激光运转,并分析了不同Er:Yb:YAl3(BO3)4晶体温度对1.5μm波段输出波长的影响。在端面泵浦的平-凹腔中,分别实现了1600、1550、1540、1520nm4种波长的激光运转,其斜率效率分别为21%、6%、17%、15%。当吸收泵浦功率为15.7W时,这4种激光波长的最大准连续输出功率分别达到2.4,0.64,1.5和1.2W。这种输出波长的温度效应有可能成为一种获取1.5μm波段特定应用波长激光的方法。 An Er:Yb:YAl3(BO3)4 crystal with Yb3+ and Er3+ concentrations of 25 and 1.1 at.% was grown by the flux method. Temperature of the crystal is changed with the duty cycle of a 970 nm diode laser used as the pump source and the temperature dependence of the oscillating laser wavelength of the crystal is investigated. In an end-pumped hemispherical cavity, laser operations at wavelengths of 1 600, 1 550, 1 540, and 1 520 nm were realized and their slope efficiencies were 21%, 6%, 17% and 15%, respectively. At t...
出处 《红外与激光工程》 EI CSCD 北大核心 2008年第S3期64-67,共4页 Infrared and Laser Engineering
基金 国家自然科学基金(60778015) 福建省自然科学基金(A0610031) 中国科学院知识创新工程青年人才领域前沿项目资助项目
关键词 1.5μm波段激光 多波长 Er:Yb:YAl3(BO3)4晶体 1.5 μm laser Multi-wavelength Er:Yb:YAl3(BO3)4 crystal
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参考文献4

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