| Nd3+:d3Ga5O12晶体的室温吸收光谱和荧光光谱 |
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| 引用本文： | 姜本学,赵志伟,徐军,邓佩珍. Nd3+:d3Ga5O12晶体的室温吸收光谱和荧光光谱[J]. 人工晶体学报, 2004, 33(4): 581-585 |
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| 作者姓名： | 姜本学 赵志伟 徐军 邓佩珍 |
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| 作者单位： | 中国科学院上海光学精密机械研究所,上海,201800 |
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| 摘 要： | 用提拉法生长了掺钕的钆镓石榴石(Nd3+:GG)激光晶体.研究了室温下的吸收光谱和荧光光谱性质,分析了Nd3+:GG晶体4F3/2→4I11/2能级跃迁与1.06μm附近的荧光谱线之间的关系.吸收系数、发射系数、荧光寿命分别是4.32×10-20 cm-2,2.3×10-19cm-2, 240μs, 比较了Nd3+∶GGG 和 Nd3+∶YAG 的物理参数,实验表明:d3+∶GGG较Nd3+∶YAG有一系列的优点.
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| 关 键 词： | 光谱性质 提拉法 高功率固态激光器 激光晶体 Nd3+∶GGG, |
Room Temperature Absorption and Emission Spectra of Nd3+:Gd3Ga5O12 Crystal |
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| Abstract. Room Temperature Absorption and Emission Spectra of Nd3+:Gd3Ga5O12 Crystal[J]. Journal of Synthetic Crystals, 2004, 33(4): 581-585 |
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| Authors: | Abstract |
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| Abstract: | The HAP SSL crystal Nd3+:d3Ga5O12(Nd3+:GG) was grown by the Czochralski method. The absorption and emission spectra of Nd3+:GG crystal at room temperature were studied. The relationship between the energy level scheme and the emission spectra was analyzed. The absorption, emission cross-section and fluorescence lifetime are estimated as 4.32×10-20cm-2,2.3×10-19cm-2, 240μs, respectively. From the oscillator strengths of the absorption transitions the Judd-offelt intensity parameters were evaluated.The spectroscopic parameters of Nd3+:GG and Nd3+:AG crystal were compared, and the Nd3+:GG crystal has many advantages over Nd3+:YAG. |
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| Keywords: | spectrum properties Czochralski method high average power solid state laser (HAP SSL) laser crystal Nd3+:GGG |
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