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二阶非线性Maker条纹测试及模拟

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Abstract:

据Maxwell方程及电磁波在界面上的边界条件,采用MathCAD软件对1064nm基频光在二阶非线性介质中的传播进行Maker条纹模拟,得到二阶非线性介质中产生532nm倍频光的强度模拟公式。同时对倍频晶体材料、电场/温度场极化后玻璃的实验Maker条纹测试结果与理论结果进行比较。结果表明倍频晶体的Maker测量结果与模拟相吻合;对电场/温度场极化玻璃样品的模拟结果,在一定范围内与测量结果相一致。理论模拟可对样品制备、Maker条纹测试及二阶非线性极化机理探讨具有一定的指导意义。

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