Optical waveguiding properties of lead titanate thin films grown on quartz by pulsed-laser deposition

被引:7
|
作者
Essahlaoui, A
Roemer, A
Boudrioua, A
Millon, E
Loulergue, JC
机构
[1] Univ Metz, Lab Mat Opt Photon & Syst, MOPS, CNRS,FRE 2304, F-57070 Metz, France
[2] Supelec, F-57070 Metz, France
[3] Univ Metz, Lab Spectrometrie Masse & Chim Laser, F-57078 Metz, France
关键词
lead titanate; thin films; laser deposition; optical waveguides;
D O I
10.1016/S0925-3467(03)00029-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Waveguiding thin films of lead titanate have been deposited on quartz substrate by pulsed-laser deposition. The quartz substrate temperature and the oxygen pressure in the ablation chamber were optimized in order to limit the formation of the pyrochlore phase in the film. The surface morphology observed by atomic force microscopy is characterized by a roughness in the range of 5-10 nm with only some droplets. The optical waveguiding performances were demonstrated by using the m-lines spectroscopy technique. The optical losses measured by a CCD camera were found to be less than 2 dB cm(-1). (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:465 / 470
页数:6
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