| 单斜结构的Yb:KLu(WO4)2晶体光谱和激光性质的各向异性 |
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| 引用本文： | 万勇,韩文娟,刘均海,夏临华,Xavier Mateos,Valentin Petrov,张怀金,王继扬. 单斜结构的Yb:KLu(WO4)2晶体光谱和激光性质的各向异性[J]. 物理学报, 2009, 58(1): 278-284 |
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| 作者姓名： | 万勇 韩文娟 刘均海 夏临华 Xavier Mateos Valentin Petrov 张怀金 王继扬 |
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| 作者单位： | (1)Física i Cristal·lografia de Materials,Universitat Rovira i Virgili,C/ Marcel.li Domingo,s/n,E-43007 Tarragona,Spain; (2)Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy,2A Max-Born-Str.,D-12489 Berlin,Germany; (3)青岛大学物理科学学院，青岛 266071; (4)山东大学晶体材料国家重点实验室,济南 250100 |
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| 基金项目： | 国家自然科学基金(批准号：60778013, 10744003, 50590401)以及欧盟项目(DT-CRYS, NMP3-CT-2003-505580)资助的课题. |
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| 摘 要： | 研究了Yb:KLu(WO4)2晶体对非偏振抽运光的吸收以及连续波激光振荡性质. 晶体结构的低对称性导致晶体光谱呈强烈各向异性，最强的吸收和发射都发生在平行于Nm主轴的偏振方向上. Ng切向晶体具有最高的非偏振抽运光吸收效率和最大的激光功率产生潜力，2 mm长的晶体产生的最高连续波输出功率为11 W，相对于吸收抽运功率，光—光转换效率为68%，而斜率效率则达80%.关键词：吸收谱发射谱激光振荡各向异性
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| 关 键 词： | 吸收谱 发射谱 激光振荡 各向异性 |
| 收稿时间： | 2008-01-24 |
| 修稿时间： | 2008-06-05 |
Anisotropy in spectroscopic and laser properties of monoclinic Yb:KLu(WO4)2 crystal |
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| Wan Yong,Han Wen-Juan,Liu Jun-Hai,Xia Lin-Hu,Xavier Mateos,Valentin Petrov,Zhang Huai-Jin and Wang Ji-Yang. Anisotropy in spectroscopic and laser properties of monoclinic Yb:KLu(WO4)2 crystal[J]. Acta Physica Sinica, 2009, 58(1): 278-284 |
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| Authors: | Wan Yong Han Wen-Juan Liu Jun-Hai Xia Lin-Hu Xavier Mateos Valentin Petrov Zhang Huai-Jin Wang Ji-Yang |
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| Abstract: | We conducted an investigation into the polarized absorption and emission spectra, the absorption for unpolarized pump light, and the continuous-wave (cw) laser properties of the Yb:KLu(WO4)2 crystal. The low symmetry of the crystal leads to strong anisotropy in the crystal spectroscopy; the strongest absorption and emission occur in the polarization direction parallel to the Nm principal axis. The Ng-cut crystal has highest absorption efficiency for unpolarized pump light and largest potential for generating laser output power. With 11 W of cw output power produced by using a 2 mm thick crystal, the optical-to-optical conversion and slope efficiencies amount to 68% and 80%, respectively, with respect to the absorbed pump power. |
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| Keywords: | absorption spectra emission spectra laser oscillation anisotropy |
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