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首页> 外文会议>Solid state lasers XXIII: technology and devices >Development of Nd,Cr co-doped laser materials for solar-pumped lasers
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Development of Nd,Cr co-doped laser materials for solar-pumped lasers

机译：用于太阳能泵浦激光器的Nd，Cr共掺杂激光材料的开发

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Solar-pumped laser has attracted attention in the area of renewable energy creation. However, since the conversion efficiency from solar energy to laser energy is low, such lasers are not yet in practical use. In this work, we developed Nd~(3+),Cr~(3+) codoped YVO_4 and CaYAlO_4 crystals for solar-pumped laser. We succeeded to increase absorption at UV-VIS region with both crystals drastically. The absorption cross section of Nd,Cr:CaYAlO_4 around 400 nm was more than 70 times that of Nd,Cr:YAG crystals. The fluorescence at 1 μm was observed by pumping at 400 nm. It indicates that energy transfer from Cr to Nd occurred effectively.
机译：太阳能泵浦激光器已在可再生能源创造领域引起关注。然而，由于从太阳能到激光能量的转换效率低，因此这种激光器尚未实际使用。在这项工作中，我们开发了Nd〜（3 +），Cr〜（3+）共掺杂的YVO_4和CaYAlO_4晶体用于太阳泵浦激光。我们成功地大幅增加了两种晶体在UV-VIS区域的吸收。 Nd，Cr：CaYAlO_4在400 nm附近的吸收截面是Nd，Cr：YAG晶体的70倍以上。通过在400nm下泵浦观察到1μm的荧光。这表明有效地发生了从Cr到Nd的能量转移。

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