Fabrication and characterization of UV-written channel waveguides in Bi2O3-based glass

被引：9

作者：

Favre, A ^{[1
]}

Lee, E

Apostolopoulos, V

Gawith, CBE

Tai, CY

Taylor, E

Kondo, Y

Koizumi, F

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[2] Asahi Glass Co Ltd, Kanagawa Ku, Yokohama, Kanagawa 2218755, Japan

来源：

OPTICAL MATERIALS | 2004年 / 27卷 / 01期

关键词：

Bi2O3; glass; UV-writing; optical materials;

D O I：

10.1016/j.optmat.2004.01.009

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Light-induced refractive index change was investigated in an erbium-doped Bi2O3-based bulk glass using direct UV laser writing at 244 nm. Single mode channel waveguides were obtained with a positive refractive index change of 4 x 10(-4) at 633 nm. An upper limit for propagation losses at 980 nm was estimated at 4 dB/cm. A morphological study of the exposed regions revealed that strong interactions occurred between the UV beam and the glass sample, causing physical damage and stresses in the material. To our knowledge, this is the first paper reporting the use of 244 nm laser beam to produce waveguides in a Bi2O3-based glass. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：7 / 13

页数：7

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