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Growth and Characterization of γ—Nd^3＋：LaSc3（BO3）4Crystal 总被引：1，自引：0，他引：1
INTRODUCTIONLaser-diode(LD) pumped solid-state lasers have a variety of applications in the fields of military, industry, medical treatment and scientific researches due to the advantages of high stability, compactness, high efficiency and long lifetime, and this area has become one of the hot points in the laser field. As a result, research on new materials with improved spectral properties for diode pumping is of increasing interest again. A new high efficient diode-laser-pumped solid-s… 相似文献
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报道了掺铬高温相硼酸镧钪Cr^3 :LaSc3(BO3)4(α－CLSB）晶体的光谱特性，吸收光谱表明：CLSB晶体在可见光区有两个吸收带，吸收峰值分别位于457和654nm处，吸收系数均为19．07。室温荧光光谱则表现为一个源自于4T2→4A2能级跃迁的780－1120nm的宽带发射，其半峰宽为167nm，峰值为963nm，其荧光寿命为17us。通过计算得出了铬离子所处的晶场强度Dq和拉卡参数B分别为1529和675cm^-1，Dq/B=2.26，研究结果表明：掺铬高温相硼酸镧钪有望成为一种新的可调谐激光晶体。 相似文献
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本论文报道了Nd3+:LiLa(MoO4)2晶体生长、光谱和激光特性.采用提拉法生长出尺寸为φ20×34mm3的Nd+3+:LiLa(MoO4)2晶体.应用Judd-Ofelt理论计算了Nd3+离子在Nd3+:LiLa(MoO4)2晶体中唯象强度、自发发射跃迁几率、荧光分支比、辐射跃迁寿命和荧光量子效率.Nd3+:LiLa(MoO4)2晶体的偏振吸收跃迁截面分别为9.52×10-20cm2(π-偏振)和4.46×10-20cm2(σ-偏振).它的偏振发射跃迁截面分别为0.67×10-19cm2(σ-偏振)和1.02×10-19cm2(σ-偏振).在氙灯泵浦下,获得74.4mJ的1.06μm的激光输出,激光阈值为0.676J,激光总效率和斜率效率分别为0.39;和0.48;. 相似文献
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