Title: Improvement of photorefractive properties of proton-exchanged LiTaO₃ waveguides
Authors: Kostritskii, S. M.
Kip, Detlef  
Krätzig, E.
Language: en
Subject (DDC): DDC::500 Naturwissenschaften und Mathematik::530 Physik
Issue Date: 1997
Publisher: Springer
Document Type: Article
Journal / Series / Working Paper (HSU): Applied Physics B Lasers and optics 
Volume: 65
Issue: 4-5
Page Start: 517
Page End: 522
Publisher Place: Berlin
Abstract: 
Photorefractive planar waveguides in LiTaO3 are fabricated by both a proton exchange and a successive copper exchange. The influence of different fabrication steps on the refractive index profile and optical absorption is investigated. The holographic efficiency is determined together with the dark- and photo-conductivity. We show that the photorefractive properties of proton-exchanged LiTaO3 waveguides are considerably improved by the additional copper exchange. It is established that the holographic efficiency depends on the copper content, the phase of the proton-exchanged layer and the light intensity. © Springer-Verlag 1997.
Organization Units (connected with the publication): Universität Osnabrück
URL: https://api.elsevier.com/content/abstract/scopus_id/0031246394
ISSN: 09462171
DOI: 10.1007/s003400050306
Appears in Collections:Publications of the HSU Researchers (before HSU)

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