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Abstract Lithium niobate and potassium niobate crystals of near-stoichiometric composition were grown with the help of the Czochralski method with liquid and ceramic charging. Birefringence of the grown lithium niobate… Click to show full abstract
Abstract Lithium niobate and potassium niobate crystals of near-stoichiometric composition were grown with the help of the Czochralski method with liquid and ceramic charging. Birefringence of the grown lithium niobate sample is Δn = 1.5 at 1 THz frequency, pleochroism in absorption on 1 THz frequency makes preferable the using of the extraordinary wave because of the lower absorption coefficient (14 cm−1). The absorption coefficient for the grown crystal of potassium niobate is 24 cm−1 at 1 THz frequency.
Journal Title: Solid State Sciences
Year Published: 2020
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