Nd：GGG晶体光谱特性的研究

Study on Spectra Properties of Nd:GGG Crystal

摘要:

采用提拉法生长了Nd：GGG晶体，晶体切割后经过端面抛光，测试了荧光光谱和吸收光谱。荧光光谱测试结果表明晶体的最强的荧光发射峰位于9430cm^-1．是Nd^3＋ 4F3/24111/2谱项导数的荧光发射。吸收光谱测试结果发现Nd：GGG晶体的最强吸收峰位于808nm．所以该晶体适合于LD泵浦．并且吸收峰强度随掺杂离子浓度的增加而增加。

Abstract:

In this paper, Nd:GGG single crystal was grown by Cz method. Fluorescence spectra and absorption spectra was measured after the Nd:GGG single crystal was cut and polished. The main absorption peak of Nd:GGG crystal is 808 nm and fluorescence-emission peak is 9430 cm-1, which correspond to 4F3/2-4I11/2 emission band of Nd3+ ions. At the same time, absorption intensity become stronger with the increasing of Nd3+ ions concentration.