Yb∶YAB晶体的生长及性质研究

Growth and Optical Properties of Yb∶YAB Crystal

本文首次报道了ＹｂｘＹ１－ｘＡｌ（ＢＯ３）４（简称Ｙｂ∶ＹＡＢ）晶体的生长及光学性质。根据测定的Ｙｂ∶ＹＡＢ晶体的折射率计算其一类位相匹配角θｍ（Ｉ）＝３４°１２′，与实验中测定的θｍ（Ｉ）＝３４°３８′符合的较好。在室温吸收谱９５６ｎｍ和９７５ｎｍ处存在两个吸收带，能与ＩｎＧａＡｓＬＤ有效耦合。１．０３μｍ和１．０４μｍ处各存在一荧光峰，１．０３μｍ处荧光寿命为１．３９７ｍｓ。

n this paper,the growth and optical properties of YbxY1-xAl(BO3)4(abbreviated as Yb∶YAB)crystal are reported.The experimental results shows that the K2Mo3O10 flux system is good for Yb∶YAB crystal growth.The type I phase matching angle of it is θm(I)=34°12′ which fits experimental phase angle θm(I)=34°38′well.In the absorption spectra,there are two absorption bands at 956nm and 975nm respectively,which is suitable for InGaAs diode laser pumping.In the fluorescence spectra,there are two fluorescence peak at 1.03μm and 1.04μm respectively,and the fluorescene lifetime at 1.03μm is 1.397ms.