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<p>Thermo-optic coefficients of monoclinic KYb<sub><i>x</i></sub>Y<sub>1–<i>x</i></sub>(WO<sub>4</sub>)<sub>2</sub> crystals (<i>x</i> = 0, 0.05, 0.1, 0.2, 0.5, and 1.0) for E//N<sub><i>p</i></sub>, E//N<sub><i>m</i></sub>, and E//N<sub><i>g</i></sub> light polarizations at wavelength 1.06 μm using the laser beam deflection technique for a medium with a linear temperature gradient. KYb<sub><i>x</i></sub>Y<sub>1–<i>x</i></sub>(WO<sub>4</sub>)<sub>2</sub> crystals were grown by a modified Czochralski method using a dynamic growth regime and selection of the required temperature gradient at the crystallization front. The dn/dT coefficients obtained for all the polarizations are negative and their absolute values decrease with increasing coefficient <i>x</i>. The dni/dT coefficients (i = p, m, g) for KYb<sub><i>x</i></sub>Y<sub>1–<i>x</i></sub>(WO<sub>4</sub>)<sub>2</sub> crystals were shown to depend linearly on their stoichiometry coefficient <i>x</i>.</p>

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Thermo-Optic Properties of KYbxY1–x(WO4)2 Laser Crystals

  • 期刊论文

  • 发表日期：

    2025年5月30日

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  • A. V. Hertsova,
  • S. A. Guretskii,
  • D. V. Karpinsky,
  • K. L. Trukhanova,
  • K. V. Yumashev

摘要

Thermo-optic coefficients of monoclinic KYbxY1–x(WO4)2 crystals (x = 0, 0.05, 0.1, 0.2, 0.5, and 1.0) for E//Np, E//Nm, and E//Ng light polarizations at wavelength 1.06 μm using the laser beam deflection technique for a medium with a linear temperature gradient. KYbxY1–x(WO4)2 crystals were grown by a modified Czochralski method using a dynamic growth regime and selection of the required temperature gradient at the crystallization front. The dn/dT coefficients obtained for all the polarizations are negative and their absolute values decrease with increasing coefficient x. The dni/dT coefficients (i = p, m, g) for KYbxY1–x(WO4)2 crystals were shown to depend linearly on their stoichiometry coefficient x.