Second Harmonic Generation in Poled Tellurite Glasses
- 1 June 1993
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 32 (6B) , L843
- https://doi.org/10.1143/jjap.32.l843
Abstract
Second harmonic generation has been observed in electrically poled tellurite glasses with 80TeO2·10Li2O·10Nb2O5 and 70TeO2·15Li2O·15Nb2O5 compositions. The poling was carried out at 200 to 300°C for 30 min under applied dc field of 4 to 5 kV. To explain the mechanism generating the second-order nonlinearity in the poled tellurite glasses, it is proposed that strong local polarization is caused by migration of lithium ions and/or periodic orientation of lone pairs of electrons in the tellurium ions.Keywords
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