按化学计量比,用提拉法成功生长了不同掺量的Tb:Fe:LiNbO3晶体,分别测量了掺杂LiNbO3晶体在紫外(313nm)曝光前后的吸收光谱,曝光后吸收谱线整体上移,找到了吸收谱线上移最大的掺量比.并用差热分析仪DTA测量了居里温度Tc, 从而计算出Li/Nb的比例.分析表明,Tb:Fe:LiNbO3晶体的存储性能与掺量、定比有密切的联系,是一种优良的大容量体全息记录材料.
参考文献
| [1] | Malovichko G I;Grachev V G;Kokanyan E P et al.Characterization of Stoichiometric LiNbO3 Growth from Melts Containing K2O[J].Applied Physics A:Materials Science and Processing,1993,56:103. |
| [2] | Jundt D.H.;Fejer M.M. .Optical properties of lithium-rich lithium niobate fabricated by vapor transport equilibration[J].IEEE Journal of Quantum Electronics: A Publication of the IEEE Quantum Electronics and Applications Society,1990(1):135-138. |
| [3] | Jer Mann F;Simon M;Krazig E .Photorefractive Properties of Congruent and Stoichiometric Lithium Niobate at High Light Intensities[J].Journal of the Optical Society of America B:Optical Physics,1995,B12:2066. |
| [4] | Guenther H.;Furukawa Y.;Kitamura K.;Neurgaonkar R.;Macfarlane R. .Two-color holography in reduced near-stoichiometric lithium niobate[J].Applied optics,1998(32):7611-7623. |
| [5] | Obryan H M;Gallagher P K;Brandle C D et al.Congruent Composition and Li-rich Phase Boundary of LiNbO3[J].Journal of the American Ceramic Society,1985,68(09):493-496. |
| [6] | 张克从;张乐惠.晶体生长[M].北京:科学出版社,1981 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%