Elaboration, structural characterization and optical properties of the yttrium alkoxide derived Y2O3 planar optical waveguides

被引：16

作者：

Wu, YC ^{[1
]}

Parola, S

Marty, O

Mugnier, J

机构：

[1] Univ Lyon 1, CNRS, UMR 5620, Lab Physicochim Mat Luminescents, F-69622 Villeurbanne, France

[2] Univ Lyon 1, CNRS, UMR 5615, Lab Multimat & Interfaces, F-69622 Villeurbanne, France

[3] Univ Lyon 1, CNRS, JE 2266, Lab Electron Nanotechnol Capteurs, F-69622 Villeurbanne, France

来源：

OPTICAL MATERIALS | 2004年 / 27卷 / 01期

关键词：

Y2O3; sol-gel; yttrium alkoxide; planar waveguide; m-lines spectroscopy;

D O I：

10.1016/j.optmat.2004.01.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Y2O3 optical planar waveguides are fabricated by the sol-gel method and the dip-coating technique. High purity yttrium alkoxide (yttrium 2-methoxyethoxide) is used as starting material for the Y2O3 sol and acetylacetone is added to improve the stability of the sol. Highly concentrated sol up to 0.8 M is prepared and six stacked layers are enough to support four propagation modes at wavelength from 488 to 632.8 nm. The cubic phase Of Y2O3 is crystallized after an annealing treatment at 700 degreesC. X-ray diffraction is conducted on the films for their structural analysis. Optical properties of the waveguides are determined by multi-wavelength m-lines spectroscopy and attenuation coefficient measurement. The attenuation coefficient of the prepared Y2O3 waveguiding thin films is in the range between 1 and 2 dB/cm at 632.8 nm. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：21 / 27

页数：7

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