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Applied Physics Letters / Volume 97 / Issue 17 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 97, 171103 (2010); http://dx.doi.org/10.1063/1.3506501 (3 pages)

Correlation between second-order optical response and structure in thermally poled sodium niobium-germanate glass

G. Guimbretière1,2, M. Dussauze1,3, V. Rodriguez3, and E. I. Kamitsos1

1Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, 116 35 Athens, Greece
2CNRS/CEMHTI, UPR 3079, 1D Avenue de la Recherche Scientifique, 45071 Orléans, France
3Institut des Sciences Moléculaires, UMR 5255, Université de Bordeaux, 351 cours de la Libération, 33405 Talence Cedex, France

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(Received 6 September 2010; accepted 7 October 2010; published online 25 October 2010)

We have carried out Raman and second harmonic generation (SHG) measurements to probe thermal poling-induced phenomena in glass 20Na2O-80[0.35Nb2O5-0.65GeO2]. A SHG response of 0.6 pm/V was measured after poling in a ∼ 3 μm thick layer under the anode and found to deviate from the widely used electric field-induced SHG model. This effect was associated with complex structural rearrangements in the subanode layer involving destruction of nonbridging oxygen atoms, formation of molecular oxygen, and enhancement of cross-linking in the glass network.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

germanate glasses, glass structure, niobium compounds, nonlinear optical susceptibility, optical glass, optical harmonic generation, Raman spectra, sodium compounds

PACS

  • 42.70.Ce

    Glasses, quartz

  • 42.65.Ky

    Frequency conversion; harmonic generation, including higher-order harmonic generation

  • 42.65.An

    Optical susceptibility, hyperpolarizability

  • 61.43.Fs

    Glasses

  • 78.35.+c

    Brillouin and Rayleigh scattering; other light scattering

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3506501

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    A. Delestre, M. Lahaye, E. Fargin, M. Bellec, A. Royon, L. Canioni, M. Dussauze, F. Adamietz, and V. Rodriguez, Appl. Phys. Lett. 96, 091908 (2010)APPLAB000096000009091908000001.

    M. Dussauze, E. Fargin, V. Rodriguez, A. Malakho, and E. I. Kamitsos, J. Appl. Phys. 101, 083532 (2007)JAPIAU000101000008083532000001.

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