Second-Harmonic Generation of Electrically Poled Borophosphate Glasses: Effects of Introducing Niobium or Sodium Oxides

Second-harmonic generation in poled glasses opens new frontiers in optical material research. Within this context new borophosphate glasses of the Ca(PO3)2–CaB4O7–Na2B4O7–Nb2O5system were synthesized and their second-harmonic generation was evaluated after poling treatment. The enhancement of the se...

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Bibliographic Details
Published in:Journal of solid state chemistry 1997-11, Vol.133 (2), p.529-535
Main Authors: Nazabal, V., Fargin, E., Videau, J.J., Le Flem, G., Le Calvez, A., Montant, S., Freysz, E., Ducasse, A., Couzi, M.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Frequency conversion
harmonic generation, including high-order harmonic generation
Fundamental areas of phenomenology (including applications)
Harmonic generation, frequency conversion
Nonlinear optics
Optics
Physics
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Summary:Second-harmonic generation in poled glasses opens new frontiers in optical material research. Within this context new borophosphate glasses of the Ca(PO3)2–CaB4O7–Na2B4O7–Nb2O5system were synthesized and their second-harmonic generation was evaluated after poling treatment. The enhancement of the second-harmonic signal with niobium oxide content is related to the presence of distorted NbO6octahedra in the former of the glasses and to the increase in third-order susceptibility. The intensity of the measured second-harmonic signal is not dependent on the amount of sodium (100–1000 ppm) introduced into the glass.
ISSN:0022-4596
1095-726X
DOI:10.1006/jssc.1997.7527