LiYF_4:Nd~(3+)激光晶体的光谱和强度参数SPECTRA AND INTENSITY PARAMETERS OF LiYF_4:Nd3~+ LASER CRYSTALS
王庆元;张思远;武士学;
摘要(Abstract)：
本文报告了在室温下,LiYF_1:Nd~(3+)晶体在较宽波段内(200～2500nm)不同轴向的吸收光谱,测定了Nd~(3+4)F_(3/2)-~1I_J跃迁在不同轴向的荧光光谱。根据Judd Ofelt理论,计算了LiYF_4激光晶体中Nd~(3+)的唯象参数Ω_2、Ω_4、Ω_6分别为1.22、2.71、5.48(10~(-20)cm~2),均方偏差为3.2×10~(-7)。用这些值计算了该晶体中Nd~(3+)的幅射跃迁几率、荧光分支比、辐射寿命、~4F_(3/2)-~4I_(11/2)跃迁的辐射量子效率与受激发射截面。寿命的计算值与实验值符合。
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作者(Author): 王庆元;张思远;武士学;
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参考文献(References)：
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