Comparative Study of LiNbO_3 and KTiOPO_4 Nonlinear Optical Crystals for Electric Field Measurements due to Lightning

机译：LiNbO_3和KTiOPO_4非线性光学晶体用于雷电电场测量的比较研究

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A novel approach of measurement of the electric field due to lightning is proposed by combining an optical second-harmonic generation (SHG) technique with an electro-optic effect. The feasibility of the technique for the measurement of electric field due to lightning is studied by using a diode laser with different nonlinear, electro-optic crystals, such as Mgo:LiNbO_3 and KTiOPO_4. The experimental measurements combined with the theoretical calculation show that even though the temperature control of the nonlinear crystal is a critical requirement, the SHG technique with electro-optic crystals, such as Mgo:LiNbO_3 and KTiOPO_4, can be effectively used for electric field measurements with a wide dynamic range of the order of a few kV/cm.

机译：通过将光学二次谐波产生（SHG）技术与电光效应相结合，提出了一种测量雷电电场的新颖方法。通过使用具有不同非线性电光晶体（例如Mgo：LiNbO_3和KTiOPO_4）的二极管激光器，研究了该技术用于测量雷电电场的可行性。实验测量与理论计算相结合表明，即使对非线性晶体的温度控制是至关重要的要求，带有电光晶体的SHG技术（例如Mgo：LiNbO_3和KTiOPO_4）也可以有效地用于电场测量。几千伏/厘米量级的宽动态范围。

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《International Workshop on High Voltage Engineering》|2004年|79-84|共6页
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Yoshihiro Kawata; Ryo Tanaka; Nileshi J Vasa; Shigeru Yokoyama;
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Electric field sensor; Electro optics effect; Second harmonic generation (SHG); LiNbO_3; KTiOPO_4; Impulse electric field measurement; DC electric field measurement;

机译：电场传感器电光效应;二次谐波产生（SHG）; LiNbO_3; KTiOPO_4;脉冲电场测量;直流电场测量;

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1. Electric-field-induced optical path length change in LiNbO_3:MgO crystals: spatial anisotropy analysis [J] . Anatoliy S. Andrushchak, Oleh V. Yurkevych, Bogdan M. Strychalyuk, Applied optics . 2013,第16期

机译：LiNbO_3：MgO晶体中电场引起的光程长度变化：空间各向异性分析
2. Influence of Nd~(3+) on zinc tris-thiourea sulphate single crystal: a comparative crystal growth, structural, linear–nonlinear optical and dielectric study to explore NLO device applications [J] . Mohd Anis, G. G. Muley, V. G. Pahurkar, Materials Research Innovations . 2018,第2期

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机译：用于脉冲电场测量的非线性光电KTiOPO_4晶体的光学二次谐波特性
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8. Nonlinear Optical and Charge Distribution Studies Probing Electric Field Effectsin Polymer Thin Films for Second Order Nonlinear Optical Applications [R] . Lackritz, H. L. 1996

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Comparative Study of LiNbO_3 and KTiOPO_4 Nonlinear Optical Crystals for Electric Field Measurements due to Lightning

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