| Er_xY_(1-x)Al_3(BO_3)_4晶体的生长和光谱性质 |
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| 引用本文： | 刘明果,陆宝生,潘恒福,宋强.Er_xY_(1-x)Al_3(BO_3)_4晶体的生长和光谱性质[J].光学学报,1988(12). |
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| 作者姓名： | 刘明果 陆宝生 潘恒福 宋强 |
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| 作者单位： | 山东大学晶体材料研究所
(刘明果，陆宝生，潘恒福)，山东大学晶体材料研究所(宋强) |
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| 摘 要： | 采用助熔剂法生长出了掺杂均匀的Er_xY_(1-X)Al_3(BO_3)_4厘米级优质单晶.测定了晶体的吸收、激发光谱.用Judd_Ofelt理论计算了晶体中Er~(3+)的十一条谱带的振子强度(ρ_(ad)和ρ_(md)以及Er~(3+)的强度参数Q_λ(λ-2、4、6).并由此计算了Er~(3+)不同能级之间跃迁的爱因斯坦自发辐射系数A_r、辐射寿命r、荧光分支比β_3以及积分发射截面Σ.根据这些参数讨论了在EYAB晶体中可能实现激光输出的通道.
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| 关 键 词： | EYAB晶体 光谱性质 振子强度 |
Er_xY_(1-x)Al_3(BO_3)_4 crystal growth and its spectral properties |
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| LIU MINGGUO,LU BAOHENG,PAN HENGFU,SONG QIANG.Er_xY_(1-x)Al_3(BO_3)_4 crystal growth and its spectral properties[J].Acta Optica Sinica,1988(12). |
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| Authors: | LIU MINGGUO LU BAOHENG PAN HENGFU SONG QIANG |
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| Abstract: | The homogeneously doped single crystal of ErxY1-xAl3 (603)4 in centimeter order was grown with flux mathod. The absorption and excitation spectra were measured. The oscillator gtrengths of eleven trasition bands and intensity parameters of Er ion were calculated by Jndd-Ofelt theory. From these results the Einstain spontaneous radiative emission cross-sections of different transitions were obtained. With these parameters the possible lasing transitions in EYAS crystal are discussed. |
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| Keywords: | EYAB crystal speoiral property osoillator strenth |
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