| 铁电单晶(KxNa1-x)0.4(SryBa1-y)0.8Nb2O6的光学性质和线性电光效应 |
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| 引用本文： | 许煜寰,陈焕矗.铁电单晶(KxNa1-x)0.4(SryBa1-y)0.8Nb2O6的光学性质和线性电光效应[J].物理学报,1985,34(7):978-982. |
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| 作者姓名： | 许煜寰 陈焕矗 |
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| 作者单位： | (1)山东大学晶体材料研究所; (2)中山大学物理系 |
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| 摘 要： | 本文介绍铁电单晶(KxNa1-x)0.4(SryBa1-y)0.8Nb2O6的光学性质和线性电光效应的测量。实验结果表明,这种晶体具有较大的光学双折射,透光范围由4000?到5.6μm。晶体具有低的线性电光调制的半波电压,其电光调制价值指数n03·γc高达730×10
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| 收稿时间： | 1984-09-20 |
OPTICAL PROPERTIES AND LINEAR ELECTRO-OPTIC EFFECT IN FERROELECTRIC SINGLE CRYSTAL (KxNa1-x)0.4(SryBa1-y)0.8Nb2O6 |
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| XU YU-HUAN and CHEN HUAN-CHU.OPTICAL PROPERTIES AND LINEAR ELECTRO-OPTIC EFFECT IN FERROELECTRIC SINGLE CRYSTAL (KxNa1-x)0.4(SryBa1-y)0.8Nb2O6[J].Acta Physica Sinica,1985,34(7):978-982. |
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| Authors: | XU YU-HUAN and CHEN HUAN-CHU |
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| Abstract: | This paper describes the measurements of optical properties and linear electro-optic effect in ferroelectric single crystal (KxNa1-x)0.4(SryBa1-y)0.8 Nb2O6. This crystal exhibits a large birefringence, and has a transparency range from 4000 ? to 5.6μm. The low halfwave voltage of (KxNa1-x)0.4 (Sry,Ba1-y)0.8 Nb2O6 gives a high value n03·rc of 730×10-12m/V, which is the figure of merit for EO modulator materials. The threshold energy of 600MW/cm2 (4pps) for laser damage makes (KxNa1-x)0.4 (SryBa1-y)0.8Nb2O6 attractive for large power laser modulation.
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