Photoinduced birefringence in tellurite glasses

被引：5
|
作者：
Tikhomirov, VK
Asatryan, KE
Galstian, TV
Vallee, R [1 ]
Seddon, AB
机构：
[1] Univ Laval, Ctr Opt Photon & Lasers, Quebec City, PQ G1K 7P4, Canada
[2] Univ Nottingham, Ctr Adv Mat, Novel Photon Glasses Res Grp, Nottingham NG7 2RD, England
来源：
APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 21期
关键词：
D O I：
10.1063/1.1758307
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on photoinduced birefringence in TeO2-based glasses on exposure to linearly polarized subbandgap light. It is shown that the influence of glass-network modifiers, such as ZnO, Na2O, BaO, and of dopant Er2O3, on the photoinduced birefringence is not substantial indicating a dominating role of the TeO2 component. Photoinduced birefringence is optically reversible and its mechanism is proposed to be due to laser-induced alignment of intrinsic anisotropic defects of tellurite glass, such as distorted TeO4 bipyramids. (C) 2004 American Institute of Physics.
引用
收藏
页码：4263 / 4264
页数：2
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