| 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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