Ferroelectric Tungsten Bronze BSKNN Crystals For Photorefractive Applications

R. R. Neurgaonkar; W. K. Cory; J. R. Oliver

doi:10.1117/12.939707

22 April 1988 Ferroelectric Tungsten Bronze BSKNN Crystals For Photorefractive Applications

R. R. Neurgaonkar, W. K. Cory, J. R. Oliver

Proceedings Volume 0739, Phase Conjugation, Beam Combining, and Diagnostics; (1988) https://doi.org/10.1117/12.939707
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Ce-doped tungsten bronze Ba_2-xSr_xK_1-yNa_yNb₅O₁₆ (BSKNN) ferroelectric crystals have A been grown by the Czochralski technique, Rand arefound to be of optical quality with excellent photorefractive properties. Although the BSKNN crystals studied have a tetragonal bronze structure at room temperature, their growth habits are different: BSKNN-1 grows in a square shape with four well-defined facets, while BSKNN-2 crystals have an octahedron shape with eight well-defined facets. Ferroelectric and optical measurements show these crystals to have strong longitudinal effects similar to perovskite BaTiO₃ and excellent self-pumped phase-conjugate behavior.

Citation Download Citation

R. R. Neurgaonkar, W. K. Cory, and J. R. Oliver "Ferroelectric Tungsten Bronze BSKNN Crystals For Photorefractive Applications", Proc. SPIE 0739, Phase Conjugation, Beam Combining, and Diagnostics, (22 April 1988); https://doi.org/10.1117/12.939707

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