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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Time-resolved thermal lens measurements of thermo-optical properties of fluoride glasses
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Time-resolved thermal lens measurements of thermo-optical properties of fluoride glasses

机译：时间分辨的热透镜测量氟化物玻璃的热光学性能

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摘要

We present measurements of the temperature coefficient of optical path change, ds/dT, thermal diffusivity, D, and conductivity, K, using time-resolved mode-mismatched thermal lens method for fluoride (mol%) 53ZrF_4-4.5LaF_3-3.5AlF_3-29BaF_2-10NaF (ZBLAN), fluoroaluminate 20YF_3-40AlF_3-20CaF_2-20BaF_2 (YABC) and fluoroindates 20GaF_3-15InF_3-20CaF_2-15ZnF_2-30PbF_2 (PGIZCa), 6GaF_3-34InF_3-20SrF_2-16BaF_2-20ZnF_2-4NaF (ISZn), 2GdF_3-40InF_3-20SrF_2-16BaF_2-20ZnF_2-2%NaF (InSBZnGdN). All the samples were crystal free, as verified by X-ray diffraction (XRD), and were at least 3 mm thick. The ds/dT of our samples was negative, the thermal diffusivity, D, was found to vary between 2.5 and 3.3*10~(-3) cm~2/s, and the thermal conductivity, K, varied between 7.4 and 10*10~(-3) W/K cm.
机译：我们使用时间分辨模式不匹配的热透镜法对氟化物（mol％）53ZrF_4-4.5LaF_3-3.5AlF_3-进行光程变化温度系数ds / dT，热扩散率D和电导率K的测量29BaF_2-10NaF（ZBLAN），氟铝酸盐20YF_3-40AlF_3-20CaF_2-20BaF_2（YABC）和氟酸盐20GaF_3-15InF_3-20CaF_2-15ZnF_2-30PbF_2（PGIZCa），6GaF_3-34InF_3-20SrF_2-16BaF_2-20ZnF 40InF_3-20SrF_2-16BaF_2-20ZnF_2-2％NaF（InSBZnGdN）。通过X射线衍射（XRD）验证，所有样品均无晶体，并且至少3毫米厚。我们样品的ds / dT为负，发现热扩散率D在2.5和3.3 * 10〜（-3）cm〜2 / s之间变化，热导率K在7.4和10 *之间变化10〜（-3）W / K厘米

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